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 122 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
- Bach-Tuyet Tran-JeffreyGeneral Practice Dentistry1801934443
- Edward Trapani, MDDiagnostic Radiology Physician1245206887
- Katherine Travers, MSW, LCSW-CClinical Social Worker1780897397
- Amanda Travis, RDHDental Hygienist1881285807
- Patricia Travis, CRNACertified Registered Nurse Anesthetist1710079561
- Marquisha TraylorBehavior Technician1073115416
- Spencer Tredo, PTPhysical Therapist1124234877
- Sara Trescott, LCPC, NCCProfessional Counselor1003287905
- Jean Tretler, R.N., IBCLCLactation Consultant (Registered Nurse)1336630748
- Carla Trevizo, PTAPhysical Therapy Assistant1962969600
- Anh TrinhRegistered Dietitian1669313151
- Kaylee TriplettBehavior Technician1124788740
- Logan TrottBehavior Technician1386565810
- Mary Trotter, MASSAGE THERAPISTMassage Therapist1033678677
- Lopaka Trout, PHARMDPharmacist1730794678
- Lauren TrumanSocial Worker1720852411
- Loretta Trumble, CRNPNurse Practitioner1023065679
- Teresa TrumpRegistered Nurse1750875035
- Cam Hong Truong, D.C.Rehabilitation Chiropractor1316385230
- Alice Tsai, MDPediatrics Physician1033116199
- Allan Tsai, DDSDentist1326237173
- Jackson Tsai, MDPediatric Emergency Medicine (Pediatrics) Physician1497780183
- Kathryn Tsai, LCSW-CClinical Social Worker1366772824
- Melissa Tsang, PA-CPhysician Assistant1053524454
- Trent Tschirgi, R.PH., CGPGeriatric Pharmacist1538170592
- Rachel Tsimbidis, LCSW-CClinical Social Worker1477802007
- Kristyn TsuBehavior Technician1033709084
- Nadu Tuakli, M.D.Family Medicine Physician1811943392
- Alexcia TuckerBehavior Technician1386561702
- Ashley TuckerRegistered Nurse1891100210
- Golda Tucker, CRNPFamily Nurse Practitioner1275393910
- Michelle Tucker, MSWClinical Social Worker1790710432
- Noah TuckerPhysical Therapist1225504426
- Sarah TuckerBehavior Technician1588451710
- Francois TueguoPsychiatric/Mental Health Nurse Practitioner1730870783
- Ryheam TullBehavior Technician1346192838
- Samantha Tulloch Benedict, BCBABehavior Analyst1548746910
- Jana Tumaneng, PT, DPTPhysical Therapist1467382747
- Zaw Tun, M.D.Internal Medicine Physician1346587060
- Molly Tupta, DPTPhysical Therapist1376254664
- Adam TurnbullBehavior Technician1447181243
- Serpil Turnbull, PMHNPPsychiatric/Mental Health Nurse Practitioner1306618301
- Angel Turner, RBTBehavior Technician1366037673
- Dietra TurnerBehavior Technician1528856671
- Gauri Turner, M.D.Anesthesiology Physician1225230493
- Kimberly Turner, M.D.Specialist1962418855
- Leah Turner, M.AC., L.AC.Acupuncturist1174934475
- Lenore Turner, LCPCProfessional Counselor1982039210
- Robin TurnerBehavior Technician1184428211
- Terri Turner, M.D.Psychiatry Physician1336307883
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.