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 19 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. Lakeya CaldwellBehavior Analyst1386500551
  2. Meredith Caldwell, RNRegistered Nurse1891627741
  3. Natalya CaldwellBehavior Technician1386598845
  4. Nyki CaldwellMental Health Counselor1508694522
  5. Rhonda CalhounBehavior Technician1851057756
  6. Carly CallahanBehavior Technician1437040946
  7. Katie Callahan, LGPCMental Health Counselor1447836853
  8. Kristyn CallahanBehavior Technician1548867807
  9. Freda Callaway, CRNACertified Registered Nurse Anesthetist1598990103
  10. Adrian CallowayBehavior Technician1770435802
  11. Lakeisha CallowayBehavior Technician1891470472
  12. Jonathan Calure, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1538194386
  13. Shantal Camacho IslandBehavior Technician1568950731
  14. Elizabeth CameronBehavior Technician1437042017
  15. Kimberly CameronBehavior Technician1467108076
  16. Angela Cammack, RBTBehavior Technician1952044224
  17. Erin Camp, BCBABehavior Analyst1396042859
  18. Dakota Campbell, LGPCCounselor1053279133
  19. Dayoung Campbell, MSN, FNP- BCFamily Nurse Practitioner1245016427
  20. Judith Campbell, LCSW-CClinical Social Worker1619210580
  21. Phyllis Campbell, MDGynecology Physician1497755425
  22. Shaneka Campbell, LCMFTMarriage & Family Therapist1194474346
  23. Tawana CampbellCase Manager/Care Coordinator1639015381
  24. Valerie Campbell, PA-CPhysician Assistant1720774557
  25. Jamie CampitelliBehavior Analyst1306436837
  26. Catherine CamposBehavior Technician1760152573
  27. Dawn Cane, LPNLicensed Practical Nurse1407435134
  28. Camille Ava Canlas, CRNPFamily Nurse Practitioner1659658052
  29. Jennell CannonBehavior Technician1710838180
  30. Paige CannonBehavior Technician1790525319
  31. Sharon Cannon, PHDClinical Psychologist1689730087
  32. Daniel CanoBehavior Technician1881310316
  33. Lauren Cano, CRNPFamily Nurse Practitioner1912395310
  34. Krista CantafioOccupational Therapy Assistant1861837841
  35. Clayton CapenosBehavior Technician1265229611
  36. Judith Cappello, DPMPodiatrist1972689552
  37. Nadia Caraballo SilvaSpeech-Language Pathologist1275001901
  38. Jasmine CaradineBehavior Technician1023692241
  39. Lois Carani, M.D.Pulmonary Disease Physician1396756706
  40. Maria CarberryBehavior Analyst1043836794
  41. Robert Carbo, LCSW CClinical Social Worker1144336330
  42. Manuel Cardenas Rivera, FNP-CPrimary Care Nurse Practitioner1790648277
  43. Kasey CardileBehavior Analyst1225685415
  44. Lisa Cardo, MDInternal Medicine Physician1699836874
  45. Allison Carew, MS, CRNPAdult Health Nurse Practitioner1811317555
  46. Mariam Carey, LCPCProfessional Counselor1609550664
  47. Alexandra Cargo, PHDClinical Psychologist1164527776
  48. Zachary CarhartMental Health Counselor1013649904
  49. Grease CarhuazBehavior Technician1962255331
  50. Melissa CarlinClinical Psychologist1679417828

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.