Maryland NPI Registry — Provider Lookup
Look up NPI numbers for healthcare providers in Maryland. Our latest NPPES snapshot includes 211,070 active providers and organizations with a practice location in Maryland, searchable by name, specialty, and city.
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Top specialties in Maryland
- Behavior Technician in MD (23,485)
- Social Worker in MD (14,798)
- Counselor in MD (12,817)
- Nurse Practitioner in MD (12,765)
- Internal Medicine in MD (11,177)
- Clinic/Center in MD (9,584)
- Physical Therapist in MD (7,806)
- Dentist in MD (7,591)
- Home Health Aide in MD (7,031)
- Pharmacist in MD (6,281)
- Student in an Organized Health Care Education/Training Program in MD (5,910)
- Speech-Language Pathologist in MD (4,802)
- Psychologist in MD (4,578)
- Physician Assistant in MD (4,537)
- Registered Nurse in MD (4,263)
- Occupational Therapist in MD (3,631)
- Psychiatry & Neurology in MD (3,303)
- Family Medicine in MD (3,286)
- Pediatrics in MD (3,184)
- Community/Behavioral Health in MD (2,898)
- Home Health in MD (2,221)
- Pharmacy in MD (2,129)
- Anesthesiology in MD (1,960)
- Obstetrics & Gynecology in MD (1,955)
- Behavior Analyst in MD (1,949)
- Case Manager/Care Coordinator in MD (1,810)
- Specialist in MD (1,788)
- Chiropractor in MD (1,646)
- Optometrist in MD (1,643)
- Surgery in MD (1,620)
Browse by city
- Baltimore, MD (44,696)
- Rockville, MD (15,305)
- Silver Spring, MD (8,584)
- Bethesda, MD (8,264)
- Columbia, MD (8,187)
- Frederick, MD (5,532)
- Towson, MD (4,949)
- Annapolis, MD (4,738)
- Laurel, MD (3,493)
- Bowie, MD (3,455)
- Gaithersburg, MD (3,421)
- Hagerstown, MD (3,364)
- Lanham, MD (3,296)
- Salisbury, MD (3,135)
- Pikesville, MD (2,876)
- Glen Burnie, MD (2,859)
- Bel Air, MD (2,745)
- Hyattsville, MD (2,689)
- Owings Mills, MD (2,461)
- Upper Marlboro, MD (2,327)
- Ellicott City, MD (2,237)
- Waldorf, MD (2,069)
- Westminster, MD (2,037)
- Greenbelt, MD (1,895)
- Germantown, MD (1,856)
- Catonsville, MD (1,550)
- Cumberland, MD (1,532)
- Chevy Chase, MD (1,493)
- Easton, MD (1,392)
- Lutherville, MD (1,353)
- Clinton, MD (1,270)
- Beltsville, MD (1,223)
- Takoma Park, MD (1,157)
- Elkton, MD (1,093)
- Nottingham, MD (1,092)
- Largo, MD (1,018)
- Olney, MD (989)
- Hunt Valley, MD (959)
- Randallstown, MD (959)
- Prince Frederick, MD (937)
Frequently asked questions
How do I look up an NPI number in Maryland?
Use the NPI search and select MD, or browse the specialty and city directories on this page. Every provider profile shows the NPI, taxonomy, practice address, and status.
How many healthcare providers are registered in Maryland?
Our latest NPPES snapshot lists 211,070 active providers and organizations with a practice location in Maryland.
Is this the official Maryland NPI registry?
No — NPI numbers are issued federally by CMS, not by states. This is a private directory built on the public CMS NPPES data file; the official registry is npiregistry.cms.hhs.gov.
Source: CMS NPPES (public data). Snapshot 2026-07-09.