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 17 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. Gretchen Bruns, RNRegistered Nurse1215425822
  2. Olivia Sadeja BrunsonBehavior Technician1124768312
  3. Ann Brust SmithClinical Social Worker1063894269
  4. Tamika BryanMental Health Counselor1952972804
  5. Miana BryantSocial Worker1427650431
  6. Mirlina Bryant, DMDDentist1790875854
  7. Rolando BryantBehavior Technician1336018290
  8. Sage BryantBehavior Technician1700677168
  9. Summer BryantCounselor1770236440
  10. Emily Brzezicki, LCSW-CSocial Worker1669791216
  11. Alissa BuarqueBehavior Technician1205581139
  12. Claire BuchProfessional Counselor1982439105
  13. Danette Buchanan, LCPCProfessional Counselor1902240526
  14. Melanie Buchanan, RNRegistered Nurse1033615646
  15. Quay BuchananBehavior Technician1508516428
  16. Elisabeth Buckingham, RNRegistered Nurse1437807690
  17. Latisha BucknerBehavior Technician1205654159
  18. Marlene Buczynski, RNRegistered Nurse1407427206
  19. Lauren BuddleBehavior Technician1417486010
  20. Josephine Budu-AcquahOccupational Therapist1215806443
  21. Emelie BuellRegistered Dietitian1144807918
  22. Evey BuffaloBehavior Technician1285366773
  23. Kaori Buhrow, BCBABehavior Analyst1982971776
  24. Christina Bui, DPMFoot & Ankle Surgery Podiatrist1538680046
  25. Muhammad Hamza Bukhari, MDHospitalist Physician1205397254
  26. Rhonda Bukovac, RNRegistered Nurse1689915878
  27. Micayla BulgerBehavior Technician1275202236
  28. Mark Bullock, M.D.Orthopaedic Surgery Physician1699835017
  29. Ruth Abigail Bunolna, CRNP, DNPAdult Health Nurse Practitioner1144680281
  30. Lisa Burch-HarneyMassage Therapist1588439749
  31. Julia Burchett, JULIA BURCHETTGeneral Practice Dentistry1154587251
  32. Marilyn Burdekin, LIC. ACUPUNCTURISTAcupuncturist1093997652
  33. Elizabeth BurdetteBehavior Technician1790436624
  34. Carmen BurgaBehavior Technician1790587541
  35. Alayna BurgamyAssistant Behavior Analyst1750175410
  36. Tania Burgos, LMTMassage Therapist1154993137
  37. Amelia BurkettBehavior Technician1457024564
  38. Rexxelle BurkettBehavior Technician1275379588
  39. Michele Burkhammer, MS, RNRegistered Nurse1124775382
  40. Ashley BurkhardtBehavior Technician1730824848
  41. Malachi BurleyBehavior Technician1083342372
  42. Kathryn Burnett, PSYDClinical Psychologist1871178475
  43. Justin BurnetteBehavior Technician1528705399
  44. Jennifer Burnham, RNRegistered Nurse1932748332
  45. Erica Burns, CRNACertified Registered Nurse Anesthetist1104199736
  46. Katherine BurnsBehavior Technician1376344911
  47. Molly BurnsBehavior Technician1013674696
  48. Shannon Burns, BCBABehavior Analyst1891227781
  49. Teri Burns, LCPCProfessional Counselor1265696728
  50. Tracy Burns, MDAnesthesiology Physician1780918201

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.