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 58 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. Phillip JamesSocial Worker1689321473
  2. Savannah JamesBehavior Technician1932706439
  3. Tamesha JamesRegistered Nurse1720418783
  4. Alazne JamesonBehavior Technician1629710710
  5. Caroline JamiesonBehavior Technician1689317646
  6. Kelley Jana, RNRegistered Nurse1811323389
  7. David Jang, M.D.Family Medicine Physician1356761969
  8. Evan JangClinical Social Worker1548927767
  9. Yoon Young JangPharmacist1124621412
  10. Suni Jani, M.D., M.P.H.Child & Adolescent Psychiatry Physician1053671313
  11. Sushma Jani, MDChild & Adolescent Psychiatry Physician1225095714
  12. Arman Janloo, MDFamily Medicine Physician1710169446
  13. Caitlyn JansenBehavior Technician1548804933
  14. Katherine Jantac, GNP-BCGerontology Nurse Practitioner1770635187
  15. Ashlee Janusziewicz, PHARM.DPharmacist1881958486
  16. James JardinierHearing Instrument Specialist1164140877
  17. Karen JarrellRegistered Nurse1326429358
  18. Kassandra JarviMental Health Counselor1033489570
  19. Rachel JarvisBehavior Technician1144803933
  20. Monzel JasmineBehavior Technician1598496127
  21. Stacey Jaundoo, LCPC, LPCProfessional Counselor1740468461
  22. Julio Jauregui, MDOrthopaedic Surgery of the Spine Physician1689108326
  23. Yvonne Jauregui, R118508Registered Nurse1437560232
  24. Timothy Jayne, PA-CPhysician Assistant1538303086
  25. Marquita JeffersProfessional Counselor1508714049
  26. Morgan Jefferson, LMSWSocial Worker1609469220
  27. Sheryl Jefferson, LCSW-CMental Health Counselor1811177488
  28. Toshia Jefferson, PTPediatric Physical Therapist1972781573
  29. John Jeffreys, ED.D.Psychologist1932549078
  30. Olufunmilayo JegedePharmacist1659973345
  31. Dejan JelovacPhysical Therapy Assistant1245482884
  32. Paula Jemes, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1639422744
  33. Breanna JenkinsBehavior Technician1467320390
  34. Deardrey JenkinsBehavior Technician1063237253
  35. Debra Jenkins, LCSW-CClinical Social Worker1881770287
  36. Destinee JenkinsBehavior Technician1225997547
  37. Donald JenkinsPediatrics Physician1538138870
  38. Jennifer JenkinsMental Health Counselor1720749880
  39. Kennedy JenkinsBehavior Technician1073109088
  40. Shoshana JenkinsBehavior Technician1982330080
  41. Stephanie JenkinsFamily Nurse Practitioner1194322636
  42. Tina Jenkins, PSY.D.Clinical Psychologist1083742282
  43. Lori JennerProfessional Counselor1417260597
  44. Kimberly JenningsBehavior Technician1780544338
  45. Sharon Jennings-Rojas, L.AC.Acupuncturist1124349105
  46. Julia JensenBehavior Technician1992557144
  47. Jean Jerardi, MSN, PMHCNS-BCAdult Psychiatric/Mental Health Clinical Nurse Specialist1477531812
  48. Tamera Jett-Parmer, PA-CPhysician Assistant1205267218
  49. Maniraj Jeyaraju, MDFamily Medicine Physician1053056044
  50. Kelly Jezewski, M.S., CCC-SLPSpeech-Language Pathologist1356180087

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.