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 48 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
- Brita Grothe, DPTPhysical Therapist1689825960
- Starnasia GrovesBehavior Technician1124835517
- Cambra Growden, CRNPGerontology Nurse Practitioner1972497915
- Katelyn Grue, DPTPhysical Therapist1588035992
- Ina Grundmann, M.D.Family Medicine Physician1093989097
- Maureen Grundy, MDObstetrics & Gynecology Physician1649491028
- Christopher Grunseich, M.D.Neurology Physician1801043674
- Nina GrushinskiBehavior Technician1528936226
- Lillian Grybauskas, CPNP, CNSPediatric Nurse Practitioner1871870147
- Jessica GuchhaitSocial Worker1932751872
- Jennifer Guercio, RNRegistered Nurse1881178457
- Susan Guerino, L.AC., M.AC.Acupuncturist1841314176
- Nayeli GuerraBehavior Technician1760332829
- Colleen GuevaraBehavior Technician1316736663
- Grace GuevaraBehavior Technician1427625532
- Amy Gueye, M.D.Obstetrics & Gynecology Physician1932490711
- Shannon Gugliotta, CRNPFamily Nurse Practitioner1861191173
- Michael Guilbault, PH.D.Counseling Psychologist1871861112
- Taylor GuilfordBehavior Technician1740902477
- Molly GuillaumeRegistered Nurse1013687409
- Michelle GuillotBehavior Technician1487500096
- Inder Gujral, MDGeneral Practice Physician1396093068
- Kenyatha Gunn, RNRegistered Nurse1104294081
- William GunnBehavior Technician1730050535
- Alia GuptaRegistered Nurse1386055184
- Donna GuptaBehavior Technician1306509096
- Ekta Gupta, M.D.Gastroenterology Physician1902099336
- Geetika Gupta, MDEndocrinology, Diabetes & Metabolism Physician1669801619
- Hari Gupta, D.O., MSCOrthopaedic Surgery Physician1437597325
- Shakunmala Gupta, M.D.Internal Medicine Physician1437255338
- Helen Gurkin, LMSWSocial Worker1033998760
- Diana Gurney, RNRegistered Nurse1003289893
- Aleksandr GustafsonBehavior Technician1689464224
- Tracy Gutierrez, MDFamily Medicine Physician1336113091
- Elena GuyerPharmacy Technician1104216647
- Anne Guyot, MDNeurology Physician1346350311
- Jose GuzmanBehavior Technician1417682337
- Dayana Guzman GalvanBehavior Technician1396571022
- Yesiga GwanvallaBehavior Technician1629879390
- Natalie Gwin, PSYDPsychologist1346711439
- Toni GyebiBehavior Analyst1710531884
- Jacob Ha, FNP-CNurse Practitioner1295292407
- Ann Haas, RBTBehavior Technician1245739853
- Naomi Haberman, LCSW-CSocial Worker1841543857
- Amena HabibClinical Social Worker1063388122
- Selamawit HabtehyimerBehavior Technician1285509679
- India HackleyBehavior Technician1336894138
- Kdusan HadguHome Health Aide1346920303
- Jocelyn Hagan, LCSW-CClinical Social Worker1154558849
- Lisa HahnPharmacist1164871638
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.