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NAICS Code· 621498

NAICS 621498: All Other Outpatient Care Centers

This U.S. industry comprises establishments with medical staff primarily engaged in providing general or specialized outpatient care (except family planning centers, outpatient mental health and substance abuse centers, HMO medical centers, kidney dialysis centers, and freestanding ambulatory surgical and emergency centers). Centers or clinics of health practitioners with different degrees from more than one industry practicing within the same establishment (e.g., Doctor of Medicine and Doctor of Dental Medicine) are included in this industry. Illustrative Examples: Outpatient biofeedback centers and clinics Outpatient pain therapy centers and clinics Outpatient community health centers and clinics Outpatient sleep disorder centers and clinics Cross-References.Show more

NAICS 621498 – All Other Outpatient Care Centers encompasses specialized outpatient health services that do not fit into more defined categories such as mental health clinics, dialysis centers, or ambulatory surgical facilities. This includes a broad array of non-physician-led, community-based care delivery models such as behavioral health outreach, mobile health units, chronic disease management programs, and integrated behavioral-physical health services delivered in non-hospital settings.

35
Active Contracts
$325.9M
Total Obligations (12mo)
186
Awarded Contracts (12mo)
49
Contractors Awarded (12mo)
1
Median Bidders per Award
-28.5%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 621498.

AI Industry Description

NAICS 621498 – All Other Outpatient Care Centers encompasses specialized outpatient health services that do not fit into more defined categories such as mental health clinics, dialysis centers, or ambulatory surgical facilities. This includes a broad array of non-physician-led, community-based care ...

NAICS 621498 – All Other Outpatient Care Centers encompasses specialized outpatient health services that do not fit into more defined categories such as mental health clinics, dialysis centers, or ambulatory surgical facilities. This includes a broad array of non-physician-led, community-based care delivery models such as behavioral health outreach, mobile health units, chronic disease management programs, and integrated behavioral-physical health services delivered in non-hospital settings. In the federal contracting landscape, this NAICS supports mission-critical health access initiatives for military families, veterans, and active-duty personnel in remote or underserved areas, often through contracted third-party providers delivering care under TRICARE, VA Community Care, or DoD wellness programs. The leading contractor in this sector is K. Parks Consulting, Inc., a small business specializing in operational support for federally funded outpatient care initiatives. Its presence underscores a competitive environment where niche, agile service providers with expertise in behavioral health integration and regulatory compliance dominate over large primes. The sector is characterized by contract vehicles requiring robust credentialing, HIPAA compliance, and workforce training standards tailored to military and veteran populations. The Department of Defense is the primary federal buyer, driving demand through initiatives to expand mental health access, reduce stigma around behavioral health, and improve continuity of care for service members transitioning between installations or civilian life. Programs under TRICARE and the Military Health System frequently utilize this NAICS to fill gaps in localized, community-based care delivery. The market offers moderate opportunity density with low barriers to entry for qualified small businesses, particularly those with experience in federal health programs and telehealth-enabled outpatient models. Demand is increasingly tied to preventive care, population health management, and culturally competent service delivery—trends that favor contractors with proven track records in interoperable care coordination and data-driven outcomes reporting.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 621498 work as a small business.

$25.5M
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

Companies with the highest total award value under NAICS 621498, ranked by dollars won.

Ranked by Total Awards
VALOR HEALTHCARE INC$138.4M
PRIMARY CARE SOLUTIONS INC$57.7M
STG INTERNATIONAL, INC.$35.9M
POTOMAC VALOR HEALTHCARE 2, LLC$16.2M
STERLING MEDICAL ASSOCIATES, INC$10.3M
CRASSOCIATES, INC.$8.5M
NORTH AMERICAN UNITED HEALTHCARE SERVICES JV LLC$7.9M
HERO CLIENT RESCUE S.A.$6.5M
EGA ASSOCIATES, LLC$5.0M
WESLEY HEALTH SYSTEM LLC$3.8M
Top 10 combined$290.2M125

Top Agencies

Federal agencies directing the most contract spending toward NAICS 621498.

Ranked by Total Awards
Department Of Veterans Affairs$301.2M
Department Of Health And Human Services$11.4M
Department Of State$6.5M
Department Of The Interior$3.8M
Department Of Defense$1.5M
National Aeronautics And Space Administration$1.1M
Department Of Agriculture$190K
Department Of Homeland Security$186K
Department Of Justice$32K
Top 9 combined$325.9M186

Competition

How many companies historically bid on federal awards in NAICS 621498, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 6,576 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

70%

Share of reported awards with one bidder

10+ Bidder Awards

1%

Share of reported awards with 10+ bidders

Reported Awards

6,576

76% of 8,647 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
621498This Code
All Other Outpatient Care Centers
Usually Single-Bid170%
6,57676% of 8,647
62149NAICS Industry
Usually Single-Bid169%
9,80276% of 12,898
6214Industry Group
Outpatient Care Centers
Usually Single-Bid152%
29,71683% of 35,707
621Subsector
Usually Single-Bid165%
306,91884% of 364,427
62Sector
Health Care and Social Assistance
Usually Single-Bid171%
552,38584% of 660,685

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to All Other Outpatient Care Centers, by shared sector, subsector, and industry group.

Family Planning Centers

This industry comprises establishments with medical staff primarily engaged in providing a range of ...
621410Same Industry GroupHigh Similarity

Outpatient Mental Health and Substance Abuse Centers

This industry comprises establishments with medical staff primarily engaged in providing outpatient ...
621420Same Industry GroupHigh Similarity

HMO Medical Centers

This U.S. industry comprises establishments with physicians and other medical staff primarily engage...
621491Same Industry GroupHigh Similarity

Kidney Dialysis Centers

This U.S. industry comprises establishments with medical staff primarily engaged in providing outpat...
621492Same Industry GroupHigh Similarity

Freestanding Ambulatory Surgical and Emergency Centers

This U.S. industry comprises establishments with physicians and other medical staff primarily engage...
621493Same Industry GroupHigh Similarity

Offices of Physicians (except Mental Health Specialists)

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Docto...
621111Same SubsectorMedium Similarity

Offices of Physicians, Mental Health Specialists

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Docto...
621112Same SubsectorMedium Similarity

Offices of Dentists

This industry comprises establishments of health practitioners having the degree of D.M.D. (Doctor o...
621210Same SubsectorMedium Similarity

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NAICS 621498 FAQ

Frequently Asked Questions

NAICS code 621498 covers All Other Outpatient Care Centers. This U.S. industry comprises establishments with medical staff primarily engaged in providing general or specialized outpatient care (except family planning centers, outpatient mental health and substance abuse centers, HMO medical centers, kidney dialysis centers, and freestanding ambulatory surgical and emergency centers). Centers or clinics of health practitioners with different degrees from more than one industry practicing within the same establishment (e.g., Doctor of Medicine and Doctor of Dental Medicine) are included in this industry. Illustrative Examples: Outpatient biofeedback centers and clinics Outpatient pain therapy centers and clinics Outpatient community health centers and clinics Outpatient sleep disorder centers and clinics Cross-References.

Recently Posted in All Other Outpatient Care Centers

NAICS: 621498
New
2026 SUBNET Solicitation
Solicitation # 2026-subnet-solicitation
The Northeast Missouri Health Council is issuing the 2026 SUBNET Solicitation to secure local contractors for a wide array of facility and operational services. The scope of work includes snow removal, lawn mowing, equipment calibration, carpet cleaning, pest control, laundry services, housekeeping, and fire extinguisher services, as well as the procurement of medical, office, and pharmaceutical supplies. This opportunity is specifically set aside for small businesses, including those that are SBA certified as Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, or HUBZone small businesses. Interested parties must submit their responses by December 15, 2026. For further information, inquiries should be directed to Cindy McDaniel at [phone hidden] extension 1023 or via email.
Northeast MO Health Council

POSTED

about 17 hours ago

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in about 1 month
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NAICS: 621498
New
Federal
Texas Army National Guard - Mobile Medical and Dental Services - Nov 2026
Solicitation # W912L127RA001
The Texas Army National Guard is seeking a single firm fixed-price contract for non-personal Mobile Medical and Dental Readiness Services to support Soldier Readiness Processing events. The requirement consists of two simultaneous events located at Fort Wolters in Mineral Wells, Texas, from November 11 to 19, 2026, and Eagle Pass, Texas, from November 17 to 19, 2026. The contractor must provide all necessary personnel, equipment, tools, materials, and supervision to perform Individual Medical Readiness and Periodic Health Assessments. All services must be 100 percent mobile, with platforms meeting OSHA, ADA, Privacy Act, and HIPAA standards, including separate walled dental operatories and bar-code scanning capabilities for data entry. This is a full and open competition under NAICS code 621498. Award will be based on the most advantageous offer considering technical capability, past performance, and price. Technical evaluation focuses on mobilization and staffing, equipment reliability, and understanding of the Performance Work Statement. Offerors must be registered in the System for Award Management and comply with applicable Department of Labor Wage Determinations for Erath, Palo Pinto, and Maverick counties. Proposals are due by November 5, 2026, and must be submitted via email. Invoicing and payment will be processed electronically through the Wide Area Work Flow system.
W7N2 Uspfo Activity Tx Arng

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3 days ago

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in 3 days
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NAICS: 621498
Awarded
International
Virtual Care Services
Solicitation # 2026/S 000-102844
The Mid Yorkshire Hospitals NHS Trust has awarded a contract to Doccla UK Limited for the provision of a Virtual Care Solution, including all associated services and compatible equipment. This agreement, identified by solicitation number 2026/S 000-102844 and NAICS code 621498, is valued at 167,889 GBP excluding VAT. The performance period for these services begins on November 2, 2026, and is scheduled to run through November 1, 2027. There is a provision for a possible 12-month extension, which would extend the contract duration until October 31, 2028.
Mid Yorkshire Hospitals NHS Trust

POSTED

4 days ago

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NAICS: 621498
New
International
Community HIV Service in Somerset
Solicitation # ocds-h6vhtk-06f19a
Somerset Council is seeking a specialist provider for the Community HIV Service in Somerset, a procurement focused on delivering community-based targeted interventions to reduce HIV transmission. This essential public health service is designed to reach target populations who encounter significant barriers when accessing mainstream sexual health, health, and social care services. The contract is estimated to run for two years from April 1, 2027, to March 31, 2029, with an estimated total value of 140,000 GBP excluding VAT. The solicitation, identified as ocds-h6vhtk-06f19a, is particularly suited for small and medium-sized enterprises as well as voluntary, community, and social enterprises. Award decisions will be based on a weighted evaluation of quality at 60 percent and social value at 10 percent. Interested parties must submit their electronic tenders via the Proactis portal by the deadline of November 30, 2026, at 12:00pm. The primary point of contact for this procurement is Stephen Barker at Somerset Council.
Somerset Council

POSTED

4 days ago

DEADLINE

in 28 days
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NAICS: 621498
New
International
The Provision of Tier 3 Community Dermatology Service on behalf of NHS Greater Manchester Integrated Care Board
Solicitation # ocds-h6vhtk-06f7fd
The NHS Greater Manchester Integrated Care Board is procuring a Community Tier 3 Dermatology Service to provide timely advice, assessment, diagnosis, and treatment across the Greater Manchester conurbation. The primary objective is to deliver an integrated, patient-centered service that increases the quality of care provided closer to patients' homes. The contract is scheduled to commence on April 1, 2027, with an initial term of three years and a possible two-year extension, bringing the maximum potential term to five years. The indicative value for the initial three-year period is 26,975,375.25 GBP, with an estimated annual value of 8,991,791.75 GBP and a maximum total contract value of 44,958,958.75 GBP including extensions.
NHS Greater Manchester Integrated Care Board

POSTED

5 days ago

DEADLINE

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NAICS: 621498
New
SLED
07126P0008- Medical Services at Atlantic Assessment Mens Shelter RFP
Solicitation # 07126P0008
The Department of Homeless Services is soliciting proposals for a qualified medical provider to deliver comprehensive medical and behavioral health services at the Atlantic Men’s Shelter, a 394-bed assessment facility in New York City. The selected contractor will operate an onsite clinic focused on identifying critical health issues to inform shelter placement decisions and addressing urgent medical needs through crisis prevention and intervention. Additionally, the site will serve as a nurses station for the temporary assignment of staff to other areas as needed by the Department of Social Services. Services must be performed in compliance with New York State Codes, Rules and Regulations, DHS policies, and relevant court decrees. The scope of work includes health promotion, coaching, harm reduction, overdose prevention education, short-term counseling, and community referrals to support clients in their transition to permanent housing. Interested parties must respond to solicitation 07126P0008 by the deadline of November 24, 2026.
Department Of Homeless Services

POSTED

7 days ago

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in 21 days
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NAICS: 621498
New
SLED
07126P0007-Medical Services at the PATH Intake Clinic
Solicitation # 07126P0007
The New York City Department of Homeless Services is seeking a qualified medical provider to deliver integrated medical and behavioral health services at the Prevention Assistance and Temporary Housing (PATH) Family Intake Center in the Bronx. The primary objective is to provide targeted assessments and screenings for families with children entering the shelter system to identify and address health issues that may impact their stability. The contract is valued at a maximum of 4,942,950 dollars for an initial three-year term from January 1, 2027, to December 31, 2029, with one optional three-year renewal. Award decisions will be based on the most advantageous proposal, with heavy weighting placed on medical services, general experience, and behavioral health and harm reduction capabilities. Preference is given to providers with homeless designation, those who can provide services directly, and those with Article 28 designation. The selected contractor must adhere to New York State Codes, Rules and Regulations Title 18 Part 491, as well as living wage laws and non-discrimination requirements. All proposals and administrative enrollments must be processed through the PASSPort system, and the contractor is required to implement a service plan within 90 days of the contract start date.
Department Of Homeless Services

POSTED

7 days ago

DEADLINE

in 21 days
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NAICS: 621498
SLED
DPH | PEI Doula Midwifery Prenatal Care Models
Solicitation # SFGOV-0000012083
The San Francisco Department of Public Health is soliciting proposals under solicitation number SFGOV-0000012083 to establish community-based doula and midwifery prenatal care models for pregnant individuals within San Francisco. This initiative seeks qualified and experienced firms to implement these specialized care models to improve prenatal outcomes. The estimated start date for the resulting contract is July 1, 2027, with services performed locally in San Francisco. The procurement process began with the RFP publication on October 26, 2026, and requires proposals to be submitted via the PeopleSoft Strategic Sourcing portal by December 7, 2026, at 2:00 PM PT. Key milestones include a pre-proposal conference held on November 4, 2026, and a deadline for questions on November 12, 2026. Short-listing, interviews, and the final award announcement are expected to take place in January 2027, with a potential Health Commission presentation in February 2027. Lucinda Huang serves as the primary point of contact for this solicitation.
San Francisco Department of Public Health

POSTED

7 days ago

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in about 1 month
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NAICS: 621498
SLED
OCCUPATIONAL HEALTH CARE FOR PRE-EMPLOYMENT PHYSICALS INCLUDING INITIAL DRUG/ALCOHOL SCREENING AND RETURN TO WORK EVALUATIONS FOR NON-WORK-RELATED INJURIES
Solicitation # RFP 26-29
The City of Camden is soliciting proposals under RFP 26-29 for occupational health care services to support the Law Department's Office of Risk Management and the Administration Department’s Bureau of Personnel. The scope of work involves providing pre-employment physicals, initial drug and alcohol screenings, and return to work evaluations for non-work-related injuries. The City estimates a volume of approximately 60 physical examinations and drug/alcohol screenings, along with approximately 100 return to work evaluations. This procurement is conducted through a fair and open process in accordance with N.J.S.A. 19:44a-20.5 et seq. Qualified and experienced vendors must submit their proposals electronically via the Bids&Tenders portal by November 20, 2026, at 11:00 a.m. Applicants are required to provide written proof of their qualifications and experience to avoid disqualification. Additionally, awarded firms must comply with affirmative action requirements under N.J.S.A. 10:5-31 et seq. and N.J.A.C. 17:27 et seq. Lateefah Chandler serves as the Purchasing Agent for this solicitation.
City of Camden

POSTED

7 days ago

DEADLINE

in 18 days
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NAICS: 621498
Awarded
International
Insourcing of Bowel Screening Service
Solicitation # SBU-COFANC-63844-KS-26
The Swansea Bay University Health Board has issued an award notice for the insourcing of its Bowel Screening Service. Identified by solicitation number SBU-COFANC-63844-KS-26, this contract focuses on bringing the management and delivery of bowel screening operations internally to the health board. The notice was officially posted on October 8, 2026. For further inquiries or administrative details regarding this award, the designated point of contact is Kate Saunders.
Swansea Bay University Health Board

POSTED

7 days ago

DEADLINE

N/A
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NAICS: 621498
Rural Health Transformation Mobile Services
Solicitation # 28563
Aging and Adult Services of Coastal Washington is seeking proposals for the Rural Health Transformation Mobile Services project to provide auxiliary mobile health services in Clallam, Grays Harbor, Jefferson, and Pacific counties. The program aims to expand or create low-barrier, free preventative health services for underserved rural populations, with a specific focus on women's health, podiatry, and dental care. Preference will be given to providers who can strengthen local infrastructure and serve high priority areas. All services must be delivered by licensed staff and cannot be contingent on client documentation regarding income, age, or disability status. The initial contract period is expected to run from January 1, 2027, through April 30, 2027, with a possible one-year renewal based on performance and funding. While the final deadline for proposals is January 9, 2027, an initial review will take place on November 9, 2026. It is important to note that this program will not fund services that are reimbursable by insurance, as contractors are responsible for determining coverage and billing insurance providers directly.
Aging & Adult Services of Coastal Washington (previously the Olympic Area Agency on Aging)

POSTED

7 days ago

DEADLINE

in 2 months
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NAICS: 621498
Awarded
International
Fast Track Assessments
Solicitation # ocds-h6vhtk-079032
The NHS Derby and Derbyshire Integrated Care Board has awarded a contract to Eden Brown Limited for the provision of face-to-face patient Fast Track assessments and reviews. This award, identified by solicitation number ocds-h6vhtk-079032 and NAICS code 621498, is valued at 139,986 pounds excluding VAT. The performance period for these services runs from September 1, 2026, through March 31, 2027. The contract notice was officially published on October 26, 2026, and further inquiries regarding the arrangement are directed to the organization's PSR support contact.
Nhs Derby And Derbyshire Integrated Care Board

POSTED

7 days ago

DEADLINE

N/A
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