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 5 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
- Patricia AmorasinghBehavior Technician1861004699
- Tony AmuzuBehavior Technician1710878566
- Bindhu Anand, M.D.Internal Medicine Physician1720364482
- Mamatha Ananth, M.D.,Internal Medicine Physician1184821308
- Michelle Ananym DzeinseBehavior Technician1750201737
- Amy Anderson, BSN, RNRegistered Nurse1952955163
- Jameel Anderson, DNPFamily Nurse Practitioner1366272155
- Jill AndersonFamily Nurse Practitioner1568137099
- Kelly Anderson, LCSW-CClinical Social Worker1164011169
- Lauryn Anderson, PTAPhysical Therapy Assistant1750063947
- Leslie Anderson, MAC LACAcupuncturist1477727485
- Lindsay Anderson, BCBA, LBSBehavior Analyst1912561457
- Makayla AndersonBehavior Technician1457296956
- Rennae Anderson, M.D.Anatomic Pathology & Clinical Pathology Physician1134109341
- Ryan AndersonBehavior Technician1528637816
- Sandra AndersonClinical Social Worker1952787814
- Sheryl Anderson, MDPsychiatry Physician1639227648
- Theresa AndersonRegistered Nurse1497499701
- Victoria AndersonBehavior Technician1861127490
- Yvette Anderson, CRNACertified Registered Nurse Anesthetist1447256011
- Richard Andorsky, M.D.Gastroenterology Physician1295733558
- Kelly Andrew, LCSWCClinical Social Worker1598269227
- Jade AndrewsBehavior Technician1205572864
- Joy Andrews, M.AC.Acupuncturist1265876072
- Mariah AndrewsBehavior Technician1114732567
- Sarah AndrewsPsychiatry Physician1720377229
- Pamela AngelesBehavior Technician1124911268
- Christina Angelini, PAPhysician Assistant1609843788
- Regina AngellBehavior Technician1417893058
- Connie Angiuli, LCSW-CClinical Social Worker1023205382
- Naier Anhary, PMHNPPsychiatric/Mental Health Nurse Practitioner1689629552
- Busola AnifowosheBehavior Technician1952197907
- Temitope Aniyikaiye, HHAHome Health Aide1750633236
- Abena Ankomah, RPHPharmacist1336062942
- Johanna Annick, RBTBehavior Technician1114897626
- Chinenyem AnozieBehavior Technician1700670478
- Onyinyechukwu AnozieBehavior Technician1881488260
- Merrill Ansher, MDNeurology Physician1932176294
- Bertha Ansley, RNPsychiatric/Mental Health Registered Nurse1871980763
- Berni Antelman, LCSWC MSWClinical Social Worker1558447748
- Crystal AnthonyRegistered Nurse1174861926
- James Anthony, M.D.Pediatric Adolescent Medicine Physician1285646992
- Russel Antico, D.CChiropractor1619048576
- Veronica Antico, D.C.Chiropractor1841544517
- Catherine Anuszewski, LCSW-CClinical Social Worker1063064830
- Clinton AnyameleBehavior Analyst1194328559
- Hector AparicioBehavior Technician1023883782
- Leslie Apgar, MDObstetrics & Gynecology Physician1437118817
- Camila AponteBehavior Technician1750239554
- Lorayn AponteBehavior Technician1558099226
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.