NAICS Code 621111: Offices of Physicians (except Mental Health Specialists)
NAICS code 621111 is the industry for offices of physicians (except mental health specialists) in the Health Care and Social Assistance sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.
Government contracts under NAICS 621111
Federal agencies obligated $22B on contracts under NAICS 621111 from FY2024 to FY2026, including $8.3B in FY2026. The biggest buyers were the Department of Veterans Affairs, the Department of Defense, the Department of Health and Human Services. The largest contractors were QTC Medical Services Inc, Optumserve Health Services, Inc., Veterans Evaluation Services, Inc.
See the full breakdown: government offices of physicians (except mental health specialists) contracts, who wins and who buys.
Open government bids for NAICS 621111
The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.
Veterans Affairs, Department of · Solicitation · NAICS 621111
Posted Oct 30, 2026 · Responses due Dec 1, 2026
Health and Human Services, Department of · Combined Synopsis/Solicitation · NAICS 621111 · AZ · Buy Indian Set-Aside (specific to Department of Health and Human Services, Indian Health Services)
Posted Oct 30, 2026 · Responses due Nov 10, 2026
Veterans Affairs, Department of · Sources Sought · NAICS 621111 · TN
Posted Oct 29, 2026 · Responses due Nov 16, 2026
Agriculture, Department of · Solicitation · NAICS 621111 · VA · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 19, 2026
Agriculture, Department of · Solicitation · NAICS 621111 · TN · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 17, 2026
Small business size standard for NAICS 621111
To bid on small business set-aside contracts under NAICS 621111, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.
Other NAICS codes in 6211
How to choose the right NAICS code
Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.
Related guides
Frequently asked questions
- What is NAICS code 621111?
- NAICS 621111 is the industry "Offices of Physicians (except Mental Health Specialists)" in the North American Industry Classification System, part of the Health Care and Social Assistance sector (62).
- What is the size standard for NAICS 621111?
- The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 621111 in the SBA table of size standards on sba.gov; it changes from time to time.
- Are there government contracts for NAICS 621111?
- Yes. Federal agencies obligated $22B on contracts under NAICS 621111 from FY2024 to FY2026, and 5 notices are open right now.