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 52 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. Raymond Heim, LCSWCClinical Social Worker1679732986
  2. Jennifer HeimertDental Hygienist1578070488
  3. Crystal HeiserBehavior Technician1013872530
  4. Kamini HeislerBehavior Technician1609592575
  5. Carla HelenaBehavior Technician1790645067
  6. Jared HelferBehavior Technician1710788575
  7. Stacey Hellman, LCSW-CClinical Social Worker1114256096
  8. Ann Henderson, CRNPNurse Practitioner1720054620
  9. Anne Henderson, RNRegistered Nurse1073070496
  10. Charmyn Henderson, LCPCProfessional Counselor1770075418
  11. Kamree HendersonBehavior Analyst1487133526
  12. Latarsha Henderson, RNRegistered Nurse1306510979
  13. Mindi Henderson, R.R.TBehavior Technician1407014236
  14. Myles HendersonBehavior Technician1295604023
  15. Olivia HendersonBehavior Technician1467185173
  16. Robert Henderson, M.D., F.A.C.S.Otolaryngology Physician1942277439
  17. Ronald HendersonBehavior Technician1861110678
  18. Sharnise Hendrick, LCPCProfessional Counselor1407335938
  19. Alisa HendrixBehavior Technician1255012704
  20. Millicent HendrixPsychologist1164357984
  21. Kelly HendryBehavior Technician1427703271
  22. Patricia HenkleBehavior Technician1467975185
  23. Nebya HennessyBehavior Technician1881351104
  24. Melissa HenriquezBehavior Technician1194528497
  25. Ashley HenryBehavior Technician1790579464
  26. Ashley HenryMassage Therapist1083594675
  27. Iasia HenrySpeech-Language Pathologist1881385698
  28. Kimberly Henson, RNRegistered Nurse1679068423
  29. Laurie Hepp, BSNRegistered Nurse1063918662
  30. Chanda Herbert, RNRegistered Nurse1134663057
  31. Laura Herman, D.AC.Acupuncturist1255194924
  32. Catherine Hernandez, RNRegistered Nurse1609239631
  33. Eli HernandezMassage Therapist1144022757
  34. Geronimo HernandezPhysical Therapy Assistant1598681686
  35. Isabella Hernandez, RBTBehavior Technician1346034113
  36. Kathryn Hernandez, DPTOrthopedic Physical Therapist1306934377
  37. Lucy HernandezBehavior Technician1992582407
  38. Monica HernandezBehavior Technician1821733015
  39. Nancy HernandezBehavior Technician1740103647
  40. Evelyn Hernandez FloresBehavior Technician1407610876
  41. Katherin Hernandez LimaBehavior Technician1265382204
  42. Lubin Hernandez PalominoMassage Therapist1457955544
  43. Phillip Herndon, BCBABehavior Analyst1013756667
  44. Jada HerringBehavior Technician1972322311
  45. Saida HersiBehavior Technician1558197632
  46. William Herzog, MDInterventional Cardiology Physician1902873979
  47. Gabriel HessBehavior Technician1013805274
  48. Lauren HessPediatric Nurse Practitioner1104686112
  49. Robert Hess, M.S.,A.T.C.,S.T.S.Athletic Trainer1245224690
  50. Mariann Hessing, R.N.Registered Nurse1720459571

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.