Offices of Physicians (except Mental Health Specialists)

Health Care and Social Assistance › Ambulatory Health Care Services › Offices of Physicians

SBA Size Standard

$16M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

Sector

Health Care and Social Assistance

621

Subsector

Ambulatory Health Care Services

6211

Industry Group

Offices of Physicians

621111

National Industry (This Code)

Offices of Physicians (except Mental Health Specialists)

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) primarily engaged in the independent practice of general or specialized medicine (except psychiatry or psychoanalysis) or surgery. These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$16M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 621111

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

→Establishments of physicians primarily engaged in the independent practice of psychiatry or psychoanalysis are classified in U.S. Industry 621112, Offices of Physicians, Mental Health Specialists;

→Freestanding medical centers primarily engaged in providing emergency medical care for accident or trauma victims and freestanding ambulatory surgical centers primarily engaged in providing surgery on an outpatient basis are classified in U.S. Industry 621493, Freestanding Ambulatory Surgical and Emergency Centers;

→Health maintenance organization (HMO) medical centers are classified in U.S. Industry 621491, HMO Medical Centers;

→Outpatient community health clinics with health practitioners from multiple industries are classified in U.S. Industry 621498, All Other Outpatient Care Centers;

→Establishments of oral pathologists are classified in Industry 621210, Offices of Dentists; and

→Establishments of speech or voice pathologists are classified in Industry 621340, Offices of Physical, Occupational and Speech Therapists, and Audiologists.

How to Use NAICS 621111 in SAM.gov

NAICS code 621111 — Offices of Physicians (except Mental Health Specialists) — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Offices of Physicians space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $16M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 621111.

Frequently Asked Questions

What is NAICS code 621111?

NAICS code 621111 is 'Offices of Physicians (except Mental Health Specialists)', classified under the Health Care and Social Assistance sector (NAICS 62). This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) primarily engaged in the independent practic

What is the SBA small business size standard for NAICS code 621111?

The SBA defines a small business under NAICS code 621111 (Offices of Physicians (except Mental Health Specialists)) as one with $16M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 621111 in SAM.gov?

To register NAICS code 621111 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 621111 (Offices of Physicians (except Mental Health Specialists)) to your NAICS code list. You may designate one code as your Primary NAICS code.