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 21 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. Suzanne Castner, PA-CMedical Physician Assistant1124369038
  2. Chimene Castor, RDN, LDN, CHESRegistered Dietitian1306382601
  3. Kali CastroRegistered Nurse1023411808
  4. Alexandra CatanzariteBehavior Analyst1407344591
  5. Barbara Catlin, L.AC.Acupuncturist1093930224
  6. Ian Caughlan, LMSWSocial Worker1861176216
  7. Elizabeth CaughyRegistered Nurse1508283367
  8. Keairra CausionBehavior Technician1780356139
  9. Kimberly Cay, APRNAdult Health Nurse Practitioner1992981757
  10. Danielle Cayard, LCSW-CClinical Social Worker1982362349
  11. Jhennifer Celestino AlvaBehavior Technician1316835051
  12. Eric CenterBehavior Analyst1669776647
  13. Nadine Centineo, LCSW-CClinical Social Worker1033307954
  14. Jacob Centra, PT, DPT, CSCSPhysical Therapist1477185106
  15. Colleen Ceremuga, MDAddiction Medicine (Anesthesiology) Physician1033383534
  16. David Cernikovsky, PSY.D.Student in an Organized Health Care Education/Training Program1922405968
  17. Kathryn Cervi, M.S., C.R.N.P.Adult Health Nurse Practitioner1801885223
  18. Elaine ChaePharmacist1245974021
  19. Angat ChahalBehavior Technician1154903318
  20. John Chambarlis, D.D.S.General Practice Dentistry1699805838
  21. Dawn Chamberlain, LCPCProfessional Counselor1235184136
  22. Taylor ChambersBehavior Technician1215686654
  23. Elizabeth ChampignyBehavior Technician1568257475
  24. Maureen Champion, L.AC.Acupuncturist1174647705
  25. Diona Marie ChanSpeech-Language Pathologist1598161440
  26. Chanel ChanceRegistered Nurse1972984904
  27. Lisa Chance, R090138Registered Nurse1821487489
  28. Wadeehal ChandlerBehavior Technician1134966690
  29. Eric Chang, MDSpecialist1760484398
  30. Lucas Chang, PT, DPT, CSCSOrthopedic Physical Therapist1053970335
  31. Tynette Chang, BCBABehavior Analyst1720120215
  32. Rebecca ChaousisBehavior Technician1407577240
  33. Joan Chaplin, RNRegistered Nurse1144998766
  34. Jordan ChapmanBehavior Technician1346706058
  35. Lauren Chapman, LCPCProfessional Counselor1215229182
  36. Nicholas Chappell, MS , BCBABehavior Analyst1750557393
  37. Jessica ChappleSocial Worker1922875004
  38. Latrica Chapple, RNRegistered Nurse1962807883
  39. Melkamzer ChariPsychiatric/Mental Health Nurse Practitioner1851080188
  40. Kiara CharityBehavior Technician1124798616
  41. Claire Charles, CRNP-FAMILYFamily Nurse Practitioner1225513997
  42. Jayill Charles, PHARMDPharmacist1558915124
  43. Jane Charnas, D.S.W.Clinical Social Worker1831228204
  44. Faith ChaseRegistered Nurse1386015139
  45. Shaude ChaseBehavior Technician1629779582
  46. Chandana Chatterjee, M.D.Pediatrics Physician1629080353
  47. Arya ChaudhariBehavior Technician1881563591
  48. Sushanki Chaudhary, DPTPhysical Therapist1558126714
  49. Nadia Chaudhry, PHARM.D.Pharmacist1104106905
  50. Lina Chauhan, MSSpeech-Language Pathologist1598081069

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.