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 49 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. Courtney Haile, LCSW-CClinical Social Worker1801673686
  2. Frankie Hair-SaundersRegistered Nurse1366042970
  3. Dayon HairstonBehavior Technician1124626163
  4. Latrice HairstonRegistered Nurse1598235525
  5. Tosha HairstonMental Health Counselor1881474997
  6. Bahar Hakami, PHARMDPharmacist1770229312
  7. Daniel Halayko, D.P.M.Podiatrist1063831873
  8. Daliah Halboni, FNPFamily Nurse Practitioner1013638741
  9. Dominique HaleBehavior Technician1811497910
  10. Hunter HaleBehavior Technician1336742972
  11. Katherine Hales, M.ED., NCC, LGPCCounselor1154191948
  12. Mercedes HalfordBehavior Technician1538843701
  13. Jermonda HallBehavior Technician1497551659
  14. Kelly Hall, LMSWSocial Worker1003552456
  15. Kiera HallBehavior Technician1780470393
  16. Lahaina Hall, M.D.Obstetrics & Gynecology Physician1871724054
  17. Rosangele HallBehavior Technician1770157505
  18. Sharon Hall, RN MSNRegistered Nurse1760818231
  19. Tiffany Hall, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1407613532
  20. Wendy Hall, RNRegistered Nurse1235673153
  21. Shakeria Hall-McGronan, LCSW-CClinical Social Worker1952936304
  22. Kara Hallis, LCSW-CClinical Social Worker1538581285
  23. Christine Hallman, DNP, APRN,ACHPN,NP-CNurse Practitioner1275960635
  24. Barbara Halpern, DDSOrthodontics and Dentofacial Orthopedics Dentistry1730409152
  25. David Halpern, DMDDentist1417973843
  26. Kyle HalpernBehavior Technician1568292001
  27. Zoe Hamberger, LGPCMental Health Counselor1073409819
  28. Ellen Hamburg, OTOccupational Therapist1477611150
  29. Kyle Hamby, DPTPhysical Therapist1881355097
  30. Mariam Hameed, MDPain Medicine (Physical Medicine & Rehabilitation) Physician1639333644
  31. Lynnae Hamilton, PH.D.Clinical Psychologist1801116512
  32. Randall Hamilton, LBA, BCBABehavior Analyst1467024976
  33. Tina Hamilton, RN, CRNPAdult Health Nurse Practitioner1629076054
  34. Lenard Hammer, M.D.Ophthalmology Physician1306874383
  35. Allison Hammond, LAT, ATCSpecialist1235556028
  36. Aniyah HammondBehavior Technician1215772165
  37. Denise HammondRegistered Nurse1538581848
  38. Elizabeth Hammond, PMHNPPsychiatric/Mental Health Nurse Practitioner1982386959
  39. Sharice Hammond, MDObstetrics & Gynecology Physician1356440861
  40. Tanesha HammondBehavior Technician1255224838
  41. Yvette Hammond, RNRegistered Nurse1003289802
  42. Tonoah Hampton, RNRegistered Nurse1346687548
  43. Valeri Hampton, LCPC, LCADCMental Health Counselor1477018265
  44. Valerie HamptonPrimary Care Nurse Practitioner1922877588
  45. Stacey Hamro, LCWC-CClinical Social Worker1003131772
  46. Grace Han, DPTPhysical Therapist1316447048
  47. Jake HanPhysical Therapy Assistant1750020913
  48. Rashmi Hande, M.D.Diagnostic Radiology Physician1346253093
  49. Jennifer Handrahan, CRNPAdult Health Nurse Practitioner1144790916
  50. Alison HaneyBehavior Technician1386237220

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.