NAICS 621399
Offices of All Other Miscellaneous Health Practitioners
RampedUp holds 133,850 professional profiles classified to 2022 NAICS 621399 as of the build — 0.1% of all profiles carrying a NAICS classification. Of those, 63,550 carry a professional email address and 20,501 carry a mobile number. Ranked #134 of 370 codes.
What NAICS 621399 covers
This U.S. industry comprises establishments of independent health practitioners (except physicians; dentists; chiropractors; optometrists; mental health specialists; physical, occupational, and speech therapists; audiologists; and podiatrists). 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. Illustrative Examples: Acupuncturists' (except MDs or DOs) offices Hypnotherapists' offices Dental hygienists' offices Inhalation or respiratory therapists' offices Denturists' offices Midwives' offices Dietitians' offices Naturopaths' offices Homeopaths' offices Registered or licensed practical nurses' offices Cross-References. Establishments primarily engaged in--
Official 2022 NAICS definition. Sector 62 — Health Care and Social Assistance. Mapped in the RampedUp taxonomy to Alternative Medicine.
What the records carry
Field coverage for NAICS 621399, August 2026 build.
| Field on the record | Records | Share of 621399 | Share across all NAICS |
|---|---|---|---|
| Professional email | 63,550 | 47.5% | 50.8% |
| Personal email | 20,781 | 15.5% | 16.0% |
| Phone (any) | 117,673 | 87.9% | 89.3% |
| Mobile number | 20,501 | 15.3% | 13.4% |
| Primary contact record | 64,684 | 48.3% | 63.9% |
| All five present on one record | 5,305 | 4.0% | 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 621399 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 132 | 621512 | Diagnostic Imaging Centers | 135,703 | 61,735 |
| 133 | 541720 | Research and Development in the Social Sciences and Humanities | 134,940 | 57,899 |
| 135 | 336510 | Railroad Rolling Stock Manufacturing | 132,681 | 68,804 |
| 136 | 221122 | Electric Power Distribution | 129,944 | 61,143 |
Questions about NAICS 621399
What is NAICS code 621399?
621399 — Offices of All Other Miscellaneous Health Practitioners. This U.S. industry comprises establishments of independent health practitioners (except physicians; dentists; chiropractors; optometrists; mental health specialists; physical, occupational, and speech therapists; audiologists; and podiatrists). 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. Illustrative Examples: Acupuncturists' (except MDs or DOs) offices Hypnotherapists' offices Dental hygienists' offices Inhalation or respiratory therapists' offices Denturists' offices Midwives' offices Dietitians' offices Naturopaths' offices Homeopaths' offices Registered or licensed practical nurses' offices Cross-References. Establishments primarily engaged in--
How many contacts does RampedUp have for NAICS 621399?
133,850 professional profiles as of the August 2026 build, which is 0.1% 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 621399?
63,550 records carry a professional email address (47.5%), 20,781 a personal email address, 117,673 a phone number and 20,501 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 621399 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.