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 68 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. Lauren Lascasas, M.D.Pediatrics Physician1790836989
  2. Sharareh Lashgari BoorojerdiRegistered Nurse1831588490
  3. Kelly Lashley, RNEmergency Registered Nurse1346904497
  4. Michael Lasser, MDSpecialist1629039615
  5. Jennifer Lastova, PTPhysical Therapist1184748329
  6. Cathy Latham, LCSW CClinical Social Worker1639392202
  7. Taren Latney, FNP-BCFamily Nurse Practitioner1255959185
  8. Machesney LattaBehavior Technician1831800416
  9. Anna LauschOrthopedic Physical Therapist1770444648
  10. Keayana LavenderBehavior Technician1225801293
  11. Melissa Lavoie, BCBA, LBABehavior Analyst1174076368
  12. Olutokunbo LawalRegistered Nurse1356681001
  13. Careen Lawrence, RNRegistered Nurse1083261903
  14. Donna Lawrence, REGISTERED NURSERegistered Nurse1780092189
  15. Meghan Lawrence, LBABehavior Analyst1003465741
  16. Paula Lawrence, D.C.Chiropractor1851487144
  17. Scott Lawrence, D.C.Chiropractor1043311178
  18. Talayia LawrenceBehavior Technician1265104251
  19. Claudia Lawrence-Webb, DSW,LCSW-C,CERT. MFTClinical Social Worker1225225873
  20. Andrusa LawsonBehavior Technician1205797859
  21. Chelsea LawsonBehavior Technician1346099140
  22. Ian LawsonBehavior Technician1154853067
  23. Jared Lawson, D.D.S.General Practice Dentistry1679940720
  24. Rita Lawson-DotyRegistered Nurse1033511944
  25. Melissa Lay, RN, OCN, BSNRegistered Nurse1841673639
  26. Miaofen LayMassage Therapist1861338527
  27. Camelia LayneBehavior Technician1902393374
  28. Kristen Layton, RNRegistered Nurse1487140497
  29. William Layton, DPTPhysical Therapist1972096790
  30. Joseph Layug, M.D.Orthopaedic Surgery Physician1114092376
  31. Jade Lazard, RBTBehavior Technician1093472763
  32. Andrew Lazris, MDInternal Medicine Physician1427023944
  33. Diana LeBehavior Analyst1750074324
  34. Kellie Le, DNP, CPNP-PCPediatric Nurse Practitioner1952132813
  35. Samantha Le, O.D.Optometrist1548338577
  36. Mary LeahyBehavior Technician1336740604
  37. De'Ara LeakBehavior Technician1407394596
  38. Emily Leak, LGMFTMarriage & Family Therapist1124571443
  39. Nia Leak, MDObstetrics & Gynecology Physician1821008491
  40. Sean LeakeCounselor1932030632
  41. Matthew LealBehavior Analyst1376184226
  42. Tamara Leaym, RBTBehavior Technician1770383549
  43. Finda LebbieBehavior Technician1386533826
  44. Shoshana LebowitzPhysician Assistant1447077664
  45. Abby LebronBehavior Technician1750061016
  46. Theresa LechlitnerAudiologist1548813025
  47. Kimberly Lecorps, RNRegistered Nurse1548783053
  48. Karen LecySpeech-Language Pathologist1114040912
  49. Kristin Lederman, CRNPFamily Nurse Practitioner1578177226
  50. Robert LedyardHearing Instrument Specialist1912250283

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.