NAICS 622310
Specialty (except Psychiatric and Substance Abuse) Hospitals
RampedUp holds 15,313,586 professional profiles classified to 2022 NAICS 622310 as of the build — 6.4% of all profiles carrying a NAICS classification. Of those, 8,932,313 carry a professional email address and 3,056,796 carry a mobile number. Ranked #1 of 370 codes.
What NAICS 622310 covers
This industry comprises establishments known and licensed as specialty hospitals primarily engaged in providing diagnostic and medical treatment to inpatients with a specific type of disease or medical condition (except psychiatric or substance abuse). Hospitals providing long-term care for the chronically ill and hospitals providing rehabilitation, restorative, and adjustive services to physically challenged or disabled people are included in this industry. These establishments maintain inpatient beds and provide patients with food services that meet their nutritional requirements. They have an organized staff of physicians and other medical staff to provide patient care services. These hospitals may provide other services, such as outpatient services, diagnostic X-ray services, clinical laboratory services, operating room services, physical therapy services, educational and vocational services, and psychological and social work services. Cross-References.
Official 2022 NAICS definition. Sector 62 — Health Care and Social Assistance. Mapped in the RampedUp taxonomy to Hospitals and Health Care.
What the records carry
Field coverage for NAICS 622310, August 2026 build.
| Field on the record | Records | Share of 622310 | Share across all NAICS |
|---|---|---|---|
| Professional email | 8,932,313 | 58.3% | 50.8% |
| Personal email | 2,798,778 | 18.3% | 16.0% |
| Phone (any) | 14,557,686 | 95.1% | 89.3% |
| Mobile number | 3,056,796 | 20.0% | 13.4% |
| Primary contact record | 9,729,103 | 63.5% | 63.9% |
| All five present on one record | 1,090,271 | 7.1% | 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 622310 by profile count.
Questions about NAICS 622310
What is NAICS code 622310?
622310 — Specialty (except Psychiatric and Substance Abuse) Hospitals. This industry comprises establishments known and licensed as specialty hospitals primarily engaged in providing diagnostic and medical treatment to inpatients with a specific type of disease or medical condition (except psychiatric or substance abuse). Hospitals providing long-term care for the chronically ill and hospitals providing rehabilitation, restorative, and adjustive services to physically challenged or disabled people are included in this industry. These establishments maintain inpatient beds and provide patients with food services that meet their nutritional requirements. They have an organized staff of physicians and other medical staff to provide patient care services. These hospitals may provide other services, such as outpatient services, diagnostic X-ray services, clinical laboratory services, operating room services, physical therapy services, educational and vocational services, and psychological and social work services. Cross-References.
How many contacts does RampedUp have for NAICS 622310?
15,313,586 professional profiles as of the August 2026 build, which is 6.4% 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 622310?
8,932,313 records carry a professional email address (58.3%), 2,798,778 a personal email address, 14,557,686 a phone number and 3,056,796 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 622310 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.