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 55 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
- Stephanie Hord-Wallace, LCSW-CClinical Social Worker1740075423
- Primrose Horn, RNRegistered Nurse1609281021
- Erin Horstman, RNRegistered Nurse1184132557
- Ashley HortonBehavior Technician1538005764
- Jared HortonBehavior Technician1669968822
- Elizabeth HortopanRegistered Nurse1396150694
- Janet Hosford-Lamb, LCSW-CClinical Social Worker1649384454
- Anlara Hoskins, MABehavior Analyst1821564030
- Kathryn Hoskins, M.D.Family Medicine Physician1285806158
- Syntiche Hotou Mejonang, HHAHome Health Aide1396397212
- Cory Hough, DPTPhysical Therapist1609420637
- Katherine Mansfield Houle, PSY.D., M.S.W., B.S.Clinical Social Worker1124250923
- Laura Hourani, RNRegistered Nurse1487065280
- Holly Housen, M.A., LCPCMental Health Counselor1952573354
- Destiny HoustonBehavior Technician1083425367
- Donald HoustonBehavior Technician1356272892
- James Houston, MDPain Medicine (Anesthesiology) Physician1003820119
- Narine HovhannisyanClinical Social Worker1689426819
- Antoinette HowardBehavior Technician1245902758
- Donald Howard, LCSW-CClinical Social Worker1871080309
- Jade HowardBehavior Technician1285456996
- Ludley Howard, MSWClinical Social Worker1023375763
- Mackenzie HowardBehavior Technician1083532287
- Malin Howard, M.D.Ophthalmology Physician1962409011
- Sydney Howard-Vannoy, LCSW-CClinical Social Worker1306194899
- Phillip HowdenBehavior Technician1194490540
- Jenna HowerBehavior Technician1700597515
- Kelly Howeth, RNRegistered Nurse1962992305
- Erika Hoxworth, MS, LCMFTMarriage & Family Therapist1073723201
- Jennifer Hrynko, MSN, CRNP, RNAdult Health Nurse Practitioner1003580804
- Angie HuangBehavior Technician1225713498
- Leanne HuangBehavior Technician1710824693
- Belinda HuaylinosBehavior Technician1245083575
- Tory HubbardBehavior Technician1932754512
- Jennifer Hudnall, MA, BCBABehavior Analyst1851962286
- Jill Hudock, M.AC.,L.AC.Acupuncturist1932461910
- Brenna HuerbinBehavior Technician1265368419
- Diane Huey, L.AC.Acupuncturist1326234824
- Norman HuffmanMarriage & Family Therapist1649426966
- Priscilla HuffmanBehavior Technician1295472405
- Victoria HughesBehavior Technician1467128066
- Kelly Hukmani, LCSW-CClinical Social Worker1649597873
- Susan Hull, PTPhysical Therapist1245376284
- Tamara Hull, LCMFTMarriage & Family Therapist1245906536
- Pamela Humeston, RNRegistered Nurse1952787178
- Marja Humphrey, PHD, NCC, LGPCProfessional Counselor1700507621
- Hannah HumphriesBehavior Technician1295335370
- Carrie HundleyRegistered Nurse1285009365
- Lydia HuntNurse Practitioner1942773445
- Sherrie HuntHearing Instrument Specialist1326745068
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.