NAICS 621512
Diagnostic Imaging Centers
RampedUp holds 135,703 professional profiles classified to 2022 NAICS 621512 as of the build — 0.1% of all profiles carrying a NAICS classification. Of those, 61,735 carry a professional email address and 17,449 carry a mobile number. Ranked #132 of 370 codes.
What NAICS 621512 covers
This U.S. industry comprises establishments known as diagnostic imaging centers primarily engaged in producing images of the patient generally on referral from a health practitioner. Illustrative Examples: Computer tomography (CT-scan) centers Medical radiological laboratories Dental or medical X-ray laboratories Ultrasound imaging centers Magnetic resonance imaging (MRI) centers
Official 2022 NAICS definition. Sector 62 — Health Care and Social Assistance. Mapped in the RampedUp taxonomy to Medical and Diagnostic Laboratories.
What the records carry
Field coverage for NAICS 621512, August 2026 build.
| Field on the record | Records | Share of 621512 | Share across all NAICS |
|---|---|---|---|
| Professional email | 61,735 | 45.5% | 50.8% |
| Personal email | 19,800 | 14.6% | 16.0% |
| Phone (any) | 127,079 | 93.6% | 89.3% |
| Mobile number | 17,449 | 12.9% | 13.4% |
| Primary contact record | 87,537 | 64.5% | 63.9% |
| All five present on one record | 2,955 | 2.2% | 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 621512 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 130 | 923120 | Administration of Public Health Programs | 139,867 | 70,065 |
| 131 | 311500 | Dairy Product Manufacturing | 136,583 | 60,817 |
| 133 | 541720 | Research and Development in the Social Sciences and Humanities | 134,940 | 57,899 |
| 134 | 621399 | Offices of All Other Miscellaneous Health Practitioners | 133,850 | 63,550 |
Questions about NAICS 621512
What is NAICS code 621512?
621512 — Diagnostic Imaging Centers. This U.S. industry comprises establishments known as diagnostic imaging centers primarily engaged in producing images of the patient generally on referral from a health practitioner. Illustrative Examples: Computer tomography (CT-scan) centers Medical radiological laboratories Dental or medical X-ray laboratories Ultrasound imaging centers Magnetic resonance imaging (MRI) centers
How many contacts does RampedUp have for NAICS 621512?
135,703 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 621512?
61,735 records carry a professional email address (45.5%), 19,800 a personal email address, 127,079 a phone number and 17,449 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 621512 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.