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 81 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. Eric Metcalf, RNRegistered Nurse1316481237
  2. Gwendolyn MetreyBehavior Technician1003693219
  3. Stacy Metz, PHARMDPharmacist1487649737
  4. Lillian MetzgerBehavior Technician1750041729
  5. Jennifer Meyers, RNRegistered Nurse1760968515
  6. Julianne Meyers, LCPCMental Health Counselor1275133407
  7. Helen MezzomoSpeech-Language Pathologist1205300084
  8. Onyinyechi Mgbenka, PHARMD.Pharmacist1700473667
  9. Mariah Miano, PTPhysical Therapist1659391308
  10. Tony MiaoudouBehavior Technician1063203891
  11. Patrick Michael, MDUrology Physician1578025177
  12. Jarlisa Mickey, RN, A-GPCNP-CGerontology Nurse Practitioner1093433641
  13. Weronika Micula-Gondek, M.D.Psychiatry Physician1760682942
  14. June Middaugh, CRNACertified Registered Nurse Anesthetist1679845473
  15. Debra Middleton, RNRegistered Nurse1144653635
  16. Kimberly Middleton, MSPTPhysical Therapist1114485125
  17. Michael Midgley, LGSWClinical Social Worker1477801470
  18. Laura Migasiuk, MDInternal Medicine Physician1811519382
  19. Ann MihalickEmergency Medicine Physician1902834435
  20. Courtney Mike-Wilson, MSBehavior Technician1407503725
  21. Lisa Mikles, CRNPNurse Practitioner1902867427
  22. Leslee MilesBehavior Technician1891422762
  23. Crystal Miles-RuffinClinical Social Worker1427514967
  24. Corey MillardBehavior Technician1558909077
  25. Julia MillardBehavior Analyst1073058046
  26. Andrea MillenPharmacy Technician1134510449
  27. Alyssa Miller, LGSWSchool Social Worker1104233972
  28. Amy Miller, LCSW-CClinical Social Worker1639348923
  29. Angela Miller, FNPNurse Practitioner1942920103
  30. Ann Marie MillerRegistered Nurse1265922348
  31. Brandi Miller, LMSWSocial Worker1811741523
  32. Bria MillerSocial Worker1609792324
  33. Carole Miller, LCSW-CClinical Social Worker1063546950
  34. Catherine MillerContinuing Education/Staff Development Registered Nurse1366022311
  35. Christine Miller, DPTPhysical Therapist1386187417
  36. Christopher Miller, RNRegistered Nurse1003553132
  37. Daniel Miller, LCPCProfessional Counselor1093095986
  38. Debby Miller, AU.D.Audiologist1225042849
  39. Hannah Miller, RNRegistered Nurse1831623461
  40. Hannah MillerBehavior Technician1538967849
  41. Irvin Miller, P.T.Physical Therapist1326123712
  42. Jamaal MillerBehavior Technician1295338531
  43. Jessica Miller, LCPCProfessional Counselor1942511951
  44. Joshua Miller, ATC,LATAthletic Trainer1174010185
  45. Kevin MillerPhysical Therapy Assistant1255915039
  46. Kristan Miller, RBTBehavior Technician1316817612
  47. Kristen Miller, RNRegistered Nurse1659741445
  48. Laurie MillerRegistered Nurse1679027460
  49. Lydia MillerRegistered Nurse1841931656
  50. Madeline Miller, M.S., M.A.Mental Health Counselor1174313043

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.