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 46 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. Lisa Gordon, D.C.Chiropractor1063504041
  2. Markayla GordonBehavior Technician1649073172
  3. Megan GordonPeer Specialist1730997008
  4. Nicole Gordon, HHC, CTNutrition Education Nutritionist1912264342
  5. Steven Gordon, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1013925783
  6. Tanya GordonBehavior Technician1487447199
  7. Jess Gorelick, LGPCProfessional Counselor1013561067
  8. Tracy GornowskiOccupational Therapist1003414517
  9. Christine Gosch, BS DTRRegistered Dietetic Technician1700350964
  10. Thomas Gosciej, R.PH., PHARM.D.Pharmacist1740574003
  11. Denise GostomskiBehavior Technician1598352874
  12. Carol Goundry, M.D.Obstetrics & Gynecology Physician1679520910
  13. Julia Gowell, RNRegistered Nurse1285304881
  14. Anshu Goyal, DMDGeneral Practice Dentistry1841549797
  15. Sahil Goyal, D.M.DDentist1780832865
  16. Camille Grace, DPTPhysical Therapist1184335200
  17. Morine GraceBehavior Technician1518884634
  18. Rebecca GradClinical Social Worker1518276450
  19. Valyncia GrahamMental Health Counselor1992216923
  20. Cheryl Graham-Williams, RN, CPHQ, CCMRegistered Nurse1437561263
  21. Lily GraingerPhysician Assistant1326997925
  22. Karrie Granke, OTR/LOccupational Therapist1013792365
  23. Arnita GrantSocial Worker1720820673
  24. Jennifer GrantBehavior Technician1407726102
  25. Yun GrantBehavior Technician1598607525
  26. Allisyn GranthamPhysical Therapist1982328340
  27. Alaina GrassaBehavior Technician1841177870
  28. Angela GravesRegistered Nurse1710370614
  29. Candice GravesBehavior Technician1548980402
  30. Alleyah GrayBehavior Technician1447079033
  31. Ashley Gray, RNRegistered Nurse1760862080
  32. Brandy Gray, M.ED., B.C.B.A., L.BBehavior Analyst1972759991
  33. Megan Gray, LCPCProfessional Counselor1396250882
  34. Melanie Gray, RBTBehavior Technician1609677442
  35. Susan Gray, RNRegistered Nurse1306380225
  36. John Graybeal, DDSGeneral Practice Dentistry1528119815
  37. Chava Grayman, LMSWSocial Worker1538758263
  38. Jennifers GreatBehavior Technician1487590220
  39. Maxim Greceannii, CRNPAdult Health Nurse Practitioner1578969010
  40. Stephanie GrecoBehavior Analyst1821505470
  41. Aaliyah GreenBehavior Technician1295433431
  42. Abria Green, NPPsychiatric/Mental Health Nurse Practitioner1770256166
  43. Aiyana GreenBehavior Technician1760279327
  44. Alexis GreenBehavior Technician1376472506
  45. Hailey GreenBehavior Technician1508584749
  46. Jayla GreenBehavior Technician1326728908
  47. Judith Green, PTAPhysical Therapy Assistant1831310036
  48. Katherine GreenProfessional Counselor1043740624
  49. Keisha GreenRegistered Nurse1053658260
  50. Kristy Green, MPTPhysical Therapist1558401224

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.