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 67 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 Lacivita, CRNACertified Registered Nurse Anesthetist1659507572
  2. Monica LacksBehavior Technician1740924158
  3. Timothy Lacy, M.D.Psychiatry Physician1275780934
  4. Everette Lafon, M.D.Emergency Medicine Physician1588856132
  5. Tara LafranceBehavior Technician1003550617
  6. Michael Lagonera, PTAPhysical Therapy Assistant1235250317
  7. Kathryn Lagow, LCPCProfessional Counselor1922648567
  8. Laudelina Lahom, M.D.Specialist1366400186
  9. Kelsey LaichBehavior Technician1124815410
  10. Harry LaingBehavior Technician1275474843
  11. Hadijat Laiyemo, LCSW-CClinical Social Worker1063932663
  12. Rashidat Laiyemo, FNPFamily Nurse Practitioner1144825613
  13. Lauren Lake, LCPCMental Health Counselor1700344579
  14. Victoria Lalehchini, CCC-SLPSpeech-Language Pathologist1427529247
  15. Katharine Lalonde, M.A., BCBABehavior Analyst1588917157
  16. David Lambert, DPTPhysical Therapist1437265576
  17. Rachel LambertRegistered Nurse1003551821
  18. Shawn LambertBehavior Technician1265226930
  19. Paul Zachary LambidakisBehavior Technician1942172572
  20. Chantelle Lamour, DPT, PTPhysical Therapist1063893691
  21. Kara Lampasone, LCSW-CClinical Social Worker1831864263
  22. Anastasia Lamper, MDBehavior Technician1164341392
  23. Taylor LancasterBehavior Technician1700501129
  24. Charles Lancelotta Jr., M.D.Neurological Surgery Physician1023016334
  25. Emily LancianoRegistered Dietitian1366376303
  26. Elizabeth Lancos, M.S., C.R.N.P.Pediatric Nurse Practitioner1639181316
  27. Tiffany Land, LCPCProfessional Counselor1447623814
  28. Nancy Landis, LCPCProfessional Counselor1649577347
  29. Dianne Landrum, M.DPediatrics Physician1396712543
  30. Jasmine LaneBehavior Technician1659001402
  31. Rebecca LaneOccupational Therapy Assistant1376044875
  32. Angela Laney, RNRegistered Nurse1265308803
  33. Jamie LangRegistered Nurse1750837746
  34. Janice Lang, LCPCProfessional Counselor1265081186
  35. Taylor Lang, LCSW-CClinical Social Worker1255896999
  36. Thomas Lang, M.D.Rheumatology Physician1457312332
  37. Steven Langerman, MDInternal Medicine Physician1184243875
  38. Kehinde Laniyi, NPPsychiatric/Mental Health Nurse Practitioner1720553662
  39. Helen Lann, M.D.Psychologist1801900469
  40. Eileen Lanquaye, BSNRegistered Nurse1578225975
  41. Jaylene LanzotBehavior Technician1497415921
  42. Renee Lapointe, PA-CMedical Physician Assistant1528316338
  43. Gabriella LaraBehavior Technician1629862396
  44. Leonor Lara, LCPCProfessional Counselor1649878505
  45. Ashley Lara-MedinaBehavior Technician1043028764
  46. Carrie LareBehavior Technician1407706567
  47. Sean Lare, LCSW-CClinical Social Worker1518304450
  48. Danielle LarkinSpeech-Language Pathologist1871377796
  49. Lauren Larocca, MDHospitalist Physician1114489861
  50. Margaret LarsonRegistered Nurse1639578339

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.