NAICS 621111
Offices of Physicians (except Mental Health Specialists)
RampedUp holds 1,847,901 professional profiles classified to 2022 NAICS 621111 as of the build — 0.8% of all profiles carrying a NAICS classification. Of those, 667,469 carry a professional email address and 386,426 carry a mobile number. Ranked #37 of 370 codes.
What NAICS 621111 covers
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. Cross-References.
Official 2022 NAICS definition. Sector 62 — Health Care and Social Assistance. Mapped in the RampedUp taxonomy to Medical Practices.
What the records carry
Field coverage for NAICS 621111, August 2026 build.
| Field on the record | Records | Share of 621111 | Share across all NAICS |
|---|---|---|---|
| Professional email | 667,469 | 36.1% | 50.8% |
| Personal email | 338,002 | 18.3% | 16.0% |
| Phone (any) | 1,496,292 | 81.0% | 89.3% |
| Mobile number | 386,426 | 20.9% | 13.4% |
| Primary contact record | 1,133,255 | 61.3% | 63.9% |
| All five present on one record | 78,230 | 4.2% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 621111 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 35 | 339110 | Medical Equipment Manufacturing | 1,892,475 | 1,179,791 |
| 36 | 424990 | Other Miscellaneous Nondurable Goods Merchant Wholesalers | 1,856,333 | 901,450 |
| 38 | 541620 | Environmental Consulting Services | 1,762,854 | 941,480 |
| 39 | 541211 | Offices of Certified Public Accountants | 1,757,470 | 861,098 |
Questions about NAICS 621111
What is NAICS code 621111?
621111 — Offices of Physicians (except Mental Health Specialists). 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. Cross-References.
How many contacts does RampedUp have for NAICS 621111?
1,847,901 professional profiles as of the August 2026 build, which is 0.8% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 621111?
667,469 records carry a professional email address (36.1%), 338,002 a personal email address, 1,496,292 a phone number and 386,426 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 621111 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.