NPPES file of Aug 9, 2026

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 14 of 134.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

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

  1. Ella BoozBehavior Technician1346041142
  2. Isatu BorborBehavior Technician1013720275
  3. Ma Cara BorjaBehavior Technician1770234585
  4. Donna Borntrager, RN, BSNRegistered Nurse1174908537
  5. Bernard BossmanBehavior Technician1477327146
  6. Wilbert BosticSpeech-Language Assistant1679218127
  7. Tammi Boswell, NPNeonatal Nurse Practitioner1568515757
  8. Jainine Botek, RPHPharmacist1558602276
  9. Bobbi Boteler, R.D.Registered Dietitian1124356100
  10. Ellen Boudreau, M.D.Military Health Care Provider1053325621
  11. Elana Bouldin, LCSW-CClinical Social Worker1699396135
  12. Mariah BourgouisBehavior Technician1548092349
  13. Theresa Bourne, M.D.Pediatrics Physician1972957512
  14. Efstratios Bouyouks, PHARMDPharmacist1497039978
  15. Krystle Bove, AU.D.Audiologist1134479975
  16. Julia BowdenBehavior Technician1841956935
  17. Gloria Bowen, LCSW-C, LICSWClinical Social Worker1467806091
  18. La'Vante BowenBehavior Technician1275498081
  19. Stephanie Bowen, LCSW-CClinical Social Worker1851941827
  20. Charnee Bowens, CPRP, M.EDRehabilitation Practitioner1326857178
  21. Mary BowersSpeech-Language Pathologist1740759836
  22. Megan Bowlding, MS, RNRegistered Nurse1285027185
  23. John Bowman, DMDDentist1255691325
  24. Rhyann BowmanBehavior Analyst1922599687
  25. Ashley BowserBehavior Technician1164361929
  26. Alajah BoydBehavior Technician1023941911
  27. Charles Boyd, DPMPodiatrist1861578445
  28. Roy Boyd, PH.D.; PSYCHOLOGISTPsychologist1376735266
  29. Anna BoyerBehavior Technician1528866332
  30. Khashema BoyerBehavior Technician1104423029
  31. Terri BoyerMarriage & Family Therapist1548708449
  32. Amaia BoykinBehavior Technician1912701046
  33. Gretta BoykinsBehavior Technician1609528405
  34. Erin Boyle, RNRegistered Nurse1124583000
  35. John Boyle, MAMental Health Counselor1265212948
  36. Mary BoyleSurgery Physician1942411061
  37. Marissa BracleyBehavior Analyst1124894340
  38. Karen Bradley-Poff, C.R.N.P.Psychiatric/Mental Health Nurse Practitioner1205152857
  39. Emily BradyBehavior Technician1295461200
  40. Simone Brady, CRNPFamily Nurse Practitioner1144202383
  41. Aaron Brager, LGPCProfessional Counselor1821604141
  42. Kaylee BraidwoodBehavior Technician1023745106
  43. Jasmine BrakeBehavior Technician1669165015
  44. Sarah BrakohBehavior Technician1477213494
  45. Emily Braman, MS, OTR/LOccupational Therapist1851709018
  46. Manuel Bramble, MDPediatrics Physician1740679315
  47. Sherri Bramble, RNRegistered Nurse1669875449
  48. Janet BranchRegistered Nurse1568881761
  49. Jessica BranchBehavior Technician1326611195
  50. Jenna Brandau, RNRegistered Nurse1972045441

The largest Maryland cities

  1. Baltimore35,183
  2. Rockville14,353
  3. Bethesda7,245
  4. Silver Spring6,531
  5. Frederick3,981

All of Maryland →

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.