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 60 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. Kellie Johnson, M.S., CCC-SLPSpeech-Language Pathologist1871860817
  2. Kimberly Johnson, REGISTERED NURSERegistered Nurse1740711985
  3. Kimberly Johnson, LCPCProfessional Counselor1407340185
  4. La Brea JohnsonBehavior Technician1316670813
  5. Marion JohnsonAdult Psychiatric/Mental Health Registered Nurse1578185369
  6. Myrnie Johnson, RN, BSNRegistered Nurse1164809216
  7. Nicole JohnsonLicensed Practical Nurse1548840200
  8. Rashonda JohnsonBehavior Technician1760338495
  9. Relynn Johnson, RNRegistered Nurse1427585454
  10. Rena Johnson, M.D.Family Medicine Physician1447267661
  11. Roxane Johnson, LCPCProfessional Counselor1851837959
  12. Salima JohnsonBehavior Technician1043089220
  13. Samantha JohnsonBehavior Technician1790547933
  14. Sarita JohnsonMental Health Counselor1114538352
  15. Shanterra JohnsonBehavior Technician1699592485
  16. Shawanda JohnsonBehavior Technician1962215186
  17. Sheree Johnson, LCSW-CClinical Social Worker1265117410
  18. Terra JohnsonRegistered Nurse1588332092
  19. Terri Johnson, MSW, LCSW-C, LCADCSocial Worker1154647485
  20. Theresa Johnson, RNRegistered Nurse1881063725
  21. Yvette JohnsonRegistered Nurse1851706287
  22. Cheryl Johnson-Bracey, M.D.Anesthesiology Physician1952378796
  23. Barbie Johnson-Lewis, LCSW-CClinical Social Worker1861589434
  24. Jemel Johnson-Smith, LCSW-CClinical Social Worker1710275839
  25. Roman JohnsonbaughPhysical Therapist1205791340
  26. Todd Johnsonbaugh, D.C.Chiropractor1851483580
  27. Carol Johnston, APRN,PMH,BCPsychiatric/Mental Health Registered Nurse1760136162
  28. Abreena JonesBehavior Technician1962004234
  29. Adrienne JonesBehavior Analyst1245999515
  30. Allysan JonesBehavior Technician1568196210
  31. Amanda Jones, PH.D.Clinical Psychologist1366990384
  32. Andrew Jones, MDOrthopaedic Surgery Physician1649230483
  33. Azaria JonesBehavior Technician1114848744
  34. Bailey JonesBehavior Analyst1871125138
  35. Camille Jones, RBTBehavior Technician1003462672
  36. Candice JonesBehavior Analyst1538680392
  37. Catherine JonesBehavior Technician1285504696
  38. Chandra JonesBehavior Technician1740858018
  39. Constance JonesBehavior Technician1134792484
  40. Cynthia Jones, REGISTERED NURSERegistered Nurse1487308268
  41. Delonda Jones, RNRegistered Nurse1053706788
  42. Destiny JonesFamily Nurse Practitioner1780374769
  43. Diamond JonesBehavior Technician1063147759
  44. Drew JonesBehavior Technician1750921763
  45. Erica Jones, LCSW-CClinical Social Worker1306341052
  46. Jamaya JonesBehavior Technician1902639255
  47. Kayla JonesBehavior Technician1558028662
  48. Keith Jones, LMSW, LCSW-CClinical Social Worker1528461837
  49. Kirsten JonesBehavior Technician1497617096
  50. Lanaya Jones, FNP, PMHNPPsychiatric/Mental Health Nurse Practitioner1407468887

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.