Doctors and health care providers in Columbia, MD
6,690 individual NPPES records list a practice address in Columbia, 4th of 284 Maryland cities. The largest group is behavior technician: 2,034, 30% of the city's records, against 16% across Maryland. Page 77 of 134.
The 8 largest groups in Columbia
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Columbia in Maryland
- Rank in Maryland4th of 284 cities by records
- Share of the state4.2% of Maryland's records
- Specialties present25 or more taxonomy codes
- Top three groups47.3% of all records
- Behavior Technician rank3rd of the 10 Maryland cities with the most
Compared with Maryland as a whole, Columbia has 7.6× the state's share of registered nurse records and 0.47× its share of occupational therapist records.
Providers in Columbia, alphabetically
- Sanjog Mathur, M.D.Orthopaedic Surgery of the Spine Physician1114921053
- Imani MathurinBehavior Technician1083592471
- Danielle Matilsky, MDEmergency Medicine Physician1114293321
- Sababa MatinPharmacist1649879016
- Christine Mativo, M.D.Internal Medicine Physician1760697924
- Laura Matney, NBHWCHealth & Wellness Coach1487571915
- Kirsten Matsunaga, DPTPhysical Therapist1255868154
- Mark Matsunaga, MDPain Medicine (Anesthesiology) Physician1962409656
- Anandraj Mattai, MDPsychiatry Physician1407070881
- Jenna Matthai, CRNPPediatric Nurse Practitioner1215825542
- Alexis MatthewsStudent in an Organized Health Care Education/Training Program1679496129
- Diana Matthews, PHYSICAL THERAPISTPhysical Therapist1689291544
- Domonique Matthews, FNP-C, CRNPFamily Nurse Practitioner1881131308
- Jason MatthewsPhysical Therapy Assistant1447055389
- Jordin MatthewsBehavior Technician1376307736
- Tiffany Matthews, RNRegistered Nurse1770025249
- Maacah MattuBehavior Technician1659929172
- Tin Maung, M.D.Nephrology Physician1033117908
- Catherine Mauriello, CRNPAdult Health Nurse Practitioner1811330277
- Jasmine Mauss, LGMFTMarriage & Family Therapist1841839701
- Dianne MaustRegistered Nurse1912378761
- Justin Mavins, LMSWSocial Worker1225761513
- Debra Maxwell, RNRegistered Nurse1003152471
- Gavin MaxwellBehavior Technician1396606760
- Jessica Maxwell, DPTPhysical Therapist1649753112
- Myra-Allyssa MaxwellBehavior Technician1154151652
- Brenda May, LCSWCClinical Social Worker1164418380
- John May, PHDMental Health Counselor1861488322
- Lauren Mayer, CNMAdvanced Practice Midwife1245387273
- William Mayer, MDObstetrics & Gynecology Physician1598767436
- Christopher MayesBehavior Technician1073280384
- Jennifer Mayhew, R.N.Registered Nurse1609266345
- Rita Mayhew, MT-BCMusic Therapist1083029797
- Shabnam Mazhari, D.D.SGeneral Practice Dentistry1699025429
- Charles Mazick, LGPCMental Health Counselor1629756606
- Diamond-Ariya MazieBehavior Technician1205505773
- Ari MazziottaCounselor1194684142
- Ingrid Mazziotta, MS, LCPC, NCCProfessional Counselor1962029066
- Ginamarie MazzuccoBehavior Technician1801463880
- Esther Mbiu, FNP- BCNurse Practitioner1639880404
- Yvette MbogbaBehavior Technician1750043048
- Cynthia McAfee, MDPsychiatry Physician1366524902
- Joann McAfeeRegistered Nurse1134558612
- Joel McAlduff, M.D.Internal Medicine Physician1912013186
- Sydney McAnallenClinical Social Worker1124838479
- Angelissa McArthurBehavior Technician1659161115
- John McAtee, PA-CPhysician Assistant1659497246
- Robin McBeathRegistered Nurse1528405727
- Madison McBrideBehavior Technician1235726464
- Kelly McCabe, LCSW-CSocial Worker1467005298
The largest Maryland cities
- Baltimore35,183
- Rockville14,353
- Bethesda7,245
- Silver Spring6,531
- Frederick3,981
How to read this directory
Columbia, Maryland appears in the CMS National Plan and Provider Enumeration System with 6,690 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Columbia - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Columbia practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Columbia is weighted toward Behavior Technician (2,034 clinicians, followed by Registered Nurse with 783 and Clinical Social Worker with 346). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Maryland's population, Columbia reports roughly 108.2 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of Maryland's most common specialties, Home Health Aide is the most prominent one with no provider currently listing a Columbia practice address, a coverage gap Columbia patients typically fill by traveling to a larger nearby hub.
For Columbia patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Columbia, MD?
There are 6,690 registered healthcare providers in Columbia, MD, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Columbia?
The most common specialties in Columbia are Behavior Technician, Registered Nurse, Clinical Social Worker, Behavior Analyst, Physical Therapist. Behavior Technician has the most providers with 2,034.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.