State provider hub
Maryland NPI Registry - Provider Lookup
Look up NPI numbers for healthcare providers in Maryland, searchable by name, specialty, and city, drawn from the public CMS NPPES data file.
212,944
providers & organizations
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Top specialties in Maryland
Behavior Technician 24,185 Social Worker 14,954 Counselor 12,915 Nurse Practitioner 12,869 Internal Medicine 11,238 Clinic/Center 9,641 Physical Therapist 7,842 Dentist 7,641 Home Health Aide 7,105 Pharmacist 6,308 Student in an Organized Health Care Education/Training Program 5,748 Speech-Language Pathologist 4,838 Psychologist 4,618 Physician Assistant 4,546 Registered Nurse 4,290 Occupational Therapist 3,670 Psychiatry & Neurology 3,333 Family Medicine 3,302 Pediatrics 3,200 Community/Behavioral Health 2,912 Home Health 2,235 Pharmacy 2,133 Behavior Analyst 1,978 Anesthesiology 1,971 Obstetrics & Gynecology 1,955 Case Manager/Care Coordinator 1,867 Specialist 1,791 Optometrist 1,653 Chiropractor 1,650 Surgery 1,624
Browse by city
Baltimore, MD 44,959 Rockville, MD 15,600 Silver Spring, MD 8,638 Columbia, MD 8,306 Bethesda, MD 8,298 Frederick, MD 5,586 Towson, MD 4,963 Annapolis, MD 4,763 Laurel, MD 3,527 Bowie, MD 3,500 Gaithersburg, MD 3,467 Hagerstown, MD 3,386 Lanham, MD 3,320 Salisbury, MD 3,156 Pikesville, MD 2,915 Glen Burnie, MD 2,878 Bel Air, MD 2,765 Hyattsville, MD 2,727 Owings Mills, MD 2,488 Upper Marlboro, MD 2,352 Ellicott City, MD 2,252 Waldorf, MD 2,099 Westminster, MD 2,045 Greenbelt, MD 1,913 Germantown, MD 1,868 Catonsville, MD 1,580 Cumberland, MD 1,533 Chevy Chase, MD 1,501 Easton, MD 1,397 Lutherville, MD 1,356 Clinton, MD 1,285 Beltsville, MD 1,257 Takoma Park, MD 1,160 Nottingham, MD 1,107 Elkton, MD 1,097 Largo, MD 1,022 Olney, MD 990 Randallstown, MD 965 Hunt Valley, MD 964 Prince Frederick, MD 940
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 212,944 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 2026-07-13.