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 57 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. Amanda Ismail, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1164155859
  2. Erica Isner, LMSWClinical Social Worker1396356739
  3. Daisean IsraelBehavior Technician1720918865
  4. Tifani IstillarteBehavior Technician1922887629
  5. Patricia Itzel, LCSW-CClinical Social Worker1417263674
  6. Doris IwuhPsychiatric/Mental Health Nurse Practitioner1073228151
  7. Titilola IyunCritical Care Medicine Nurse Practitioner1538526074
  8. Kristen Izant, PHDClinical Psychologist1952790370
  9. Aisha JabbieBehavior Technician1710877279
  10. Khadijatu JabbieBehavior Technician1386434272
  11. Jordan JachimowiczBehavior Analyst1487294245
  12. Chantell JacksonBehavior Technician1689400764
  13. Cherissa Jackson, RNRegistered Nurse1689118507
  14. David Jackson, M.D.Cardiovascular Disease Physician1891796900
  15. Deborah Jackson, CRNPAdult Health Nurse Practitioner1356436273
  16. Ericka Jackson, RNRegistered Nurse1043690357
  17. Jia JacksonBehavior Technician1790610251
  18. Jodeci JacksonBehavior Technician1740147230
  19. Joshue JacksonBehavior Technician1578328928
  20. Kiana JacksonBehavior Technician1326848110
  21. Lena JacksonMental Health Counselor1356275028
  22. Malayiah JacksonBehavior Technician1376490375
  23. Mariah JacksonBehavior Technician1245101856
  24. Marquan Jackson, LLMSWClinical Social Worker1518374297
  25. Mercy Jackson, M.D.Internal Medicine Physician1922060870
  26. Mia JacksonBehavior Technician1730908278
  27. Michquel JacksonBehavior Technician1609680073
  28. Savannah Jackson, MSN, APRN, FNP-CFamily Nurse Practitioner1336874643
  29. Stephanie Jackson, PHARMDPharmacist1780306803
  30. Toreh Jackson, RBTBehavior Technician1609646579
  31. Wendy Jackson, RPHPharmacist1407034390
  32. Yvonne JacksonBehavior Technician1326797333
  33. Aimee Jacobs, M.D.Obstetrics & Gynecology Physician1306008461
  34. Atiya Jacobs, NONEBehavior Technician1861154072
  35. Lindsay Jacobs, R.N.Registered Nurse1679969778
  36. Cara Jacobson, PSY.D.Clinical Psychologist1588941967
  37. Susan Jacobson, LCSW-CClinical Social Worker1114139607
  38. Roxana JacquetBehavior Technician1972434751
  39. Jerome Jaffe, M.D.Addiction Psychiatry Physician1457690448
  40. Alimatou Jah, MDBehavior Technician1053258988
  41. Munjuru JahBehavior Technician1376431759
  42. Laura Jaissle, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1982774600
  43. Pramila Jaladanki, CRNPHospitalist Physician1053834069
  44. Celina JalladBehavior Technician1346166600
  45. Asiatu Jalloh, RNRegistered Nurse1275929382
  46. Joseph Jamaris, M.D.Neurological Surgery Physician1043285653
  47. Eldon James, M. AC., L. AC.Acupuncturist1215129432
  48. Jaylah JamesBehavior Technician1114729969
  49. Kenya JamesBehavior Technician1124708904
  50. Lisa James, LCSW-CClinical Social Worker1144389644

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.