CO
Healthcare providers in Colorado
194,584 active providers practise in Colorado, which is 2.1% of the national registry and makes it the 16th largest state by provider count.
Largest specialties
By primary taxonomy, counting practice location. A provider who lists several taxonomies appears once, under the one they flagged primary.
| Specialty | Providers | Share |
|---|---|---|
| Behavior Technician | 11,812 | |
| Mental Health Counselor | 9,787 | |
| Clinical Social Worker | 8,454 | |
| Professional Counselor | 8,090 | |
| Physical Therapist | 7,067 | |
| Family Medicine Physician | 4,803 | |
| Speech-Language Pathologist | 4,764 | |
| Registered Nurse | 4,605 | |
| Pharmacist | 4,394 | |
| Student in an Organized Health Care Education/Training Program | 3,920 | |
| Physician Assistant | 3,785 | |
| Chiropractor | 3,737 | |
| General Practice Dentistry | 3,722 | |
| Family Nurse Practitioner | 3,647 | |
| Massage Therapist | 3,418 | |
| Occupational Therapist | 3,122 | |
| Behavior Analyst | 2,952 | |
| Counselor | 2,707 | |
| Dentist | 2,637 | |
| Internal Medicine Physician | 2,526 | |
| Case Manager/Care Coordinator | 2,220 | |
| Optometrist | 2,113 | |
| Addiction (Substance Use Disorder) Counselor | 2,071 | |
| Clinical Psychologist | 2,055 | |
| Social Worker | 1,849 |
Neighbouring states by size
- Virginia198,820
- Maryland212,944
- Arizona174,513
- Minnesota167,079
- Georgia228,143
- Tennessee158,745
- New Jersey232,067
- Indiana153,907
Looking up one provider
Counts are from the monthly file. For a specific provider, the lookup reads the live registry, which is the only way to know whether an identifier was deactivated in the last few weeks.
Counts from npidata_pfile_20050523-20260712.csv, built 2026-08-09. Practice location, primary taxonomy only, deactivated identifiers excluded.