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 50 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. Jordyn HaneyBehavior Technician1104770262
  2. Khurram Hanif, M.D.Gastroenterology Physician1356319487
  3. Deedra HanleyBehavior Technician1396555488
  4. Cherish Hannah, PA-CMedical Physician Assistant1336809649
  5. Sarah HanrattyBehavior Technician1316888183
  6. Emily HansenBehavior Analyst1922522671
  7. Gina HansenBehavior Analyst1073115119
  8. Tessa HansenBehavior Technician1245096809
  9. Haleigh Hanson, APRNFamily Nurse Practitioner1053987834
  10. Gladys HappiFamily Nurse Practitioner1548598519
  11. Alexandra HappyBehavior Technician1871222976
  12. Asim Haque, M.D., PH.D.Neurology Physician1710202650
  13. Liza HarbisonMarriage & Family Therapist1881170637
  14. Rachel Harcum, LCSW-CSocial Worker1750911780
  15. Nicole HardenBehavior Technician1437036514
  16. Kaley HardmanBehavior Technician1689507196
  17. Raphicah HardmanRegistered Nurse1598222085
  18. Bria HardwickBehavior Technician1447832050
  19. Anthony HardyBehavior Technician1598430803
  20. Cheyenne HardyBehavior Technician1437940434
  21. Glenda Hardy, RNRegistered Nurse1558659722
  22. Sarah HardyPhysical Therapist1811301328
  23. Percell HargroveBehavior Technician1568231975
  24. Jesse HarkinsBehavior Technician1083563381
  25. Stevie HarlanBehavior Technician1346987047
  26. Brittany Harman, FNP-CFamily Nurse Practitioner1639856420
  27. Mykea HarrellBehavior Technician1770072464
  28. Pamela Harrigan, LCPCProfessional Counselor1316290174
  29. Paige HarringtonBehavior Technician1730828013
  30. Andrea HarrisFamily Nurse Practitioner1528980729
  31. Annette Harris, LCSW-CClinical Social Worker1013942804
  32. Brittany HarrisBehavior Technician1467374868
  33. Erica HarrisBehavior Technician1376461103
  34. Evan Harris, LCSW-CSocial Worker1669861324
  35. Funmilayo Harris, BCBABehavior Analyst1487246260
  36. Gregory HarrisProfessional Counselor1710352471
  37. James Harris, M.D.Surgery Physician1538381017
  38. Jasmine HarrisBehavior Technician1396699880
  39. Javina Harris, LMSWSocial Worker1295561405
  40. Kaila HarrisBehavior Technician1104543057
  41. Ronald Harris, MDObstetrics & Gynecology Physician1124174768
  42. Shanae HarrisBehavior Technician1215739586
  43. Shawnie HarrisBehavior Technician1104582873
  44. Shanteashia Harris ElFamily Nurse Practitioner1689727711
  45. Brittany HarrisonBehavior Analyst1881230910
  46. Cristabell HarrisonBehavior Technician1013884279
  47. Elton HarrisonBehavior Technician1346885563
  48. Kea HarrisonBehavior Technician1932819174
  49. Robert HarrisonBehavior Analyst1952913782
  50. Anya Harry, M.D., PH.D.Critical Care Medicine (Internal Medicine) Physician1932170412

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.