NPI numbers in Maryland
216,046 active NPIs list a practice location in Maryland.
162,197 individuals and 53,849 organizations. Maryland ranks #14 of 56 states and territories.
Look up a provider in Maryland
Most common specialties in Maryland
| Primary specialty | Active NPIs | Share |
|---|---|---|
| Behavior Technician | 25,898 | 12.0% |
| Clinical Social Worker | 10,685 | 4.9% |
| Physical Therapist | 7,312 | 3.4% |
| Home Health Aide | 7,219 | 3.3% |
| Pharmacist | 5,668 | 2.6% |
| Internal Medicine Physician | 5,611 | 2.6% |
| Student in an Organized Health Care Education/Training Program | 5,494 | 2.5% |
| Mental Health Counselor | 5,476 | 2.5% |
| Speech-Language Pathologist | 4,887 | 2.3% |
| Professional Counselor | 4,813 | 2.2% |
| Family Nurse Practitioner | 4,595 | 2.1% |
| Social Worker | 4,211 | 1.9% |
| Psychiatric/Mental Health Nurse Practitioner | 3,479 | 1.6% |
| General Practice Dentistry | 3,352 | 1.6% |
| Physician Assistant | 3,261 | 1.5% |
Counts are active NPIs in the NPPES file of September 13, 2026, by the state of the practice location and each provider's primary specialty. They count records, not practicing clinicians.