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 109 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. Caitlin Selden, BCBABehavior Analyst1790382349
  2. Kristen SelfPediatric Nurse Practitioner1821602582
  3. Valerie Seligson, ODOptometrist1811052079
  4. Martha Selonick, M.D.Cardiovascular Disease Physician1861456741
  5. Tammy Senn, CNMAdvanced Practice Midwife1225287642
  6. Sunny SeoAcupuncturist1235895251
  7. Sasan SepehriPharmacist1952901514
  8. Courtney Serio, RNRegistered Nurse1841762721
  9. Vaishnavi Seshadri, LCPCMental Health Counselor1326811126
  10. Achaunty SessionsBehavior Technician1912670100
  11. Joseph Seta, MDOrthopaedic Surgery Physician1376167817
  12. Sara Sethness, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1538560263
  13. Sheetal Sethupathi, MDDermatology Physician1699342519
  14. Randy SetonSocial Worker1487245692
  15. Gabrielle SettarBehavior Analyst1033626759
  16. Alysha Sewall, CRNPFamily Nurse Practitioner1568830396
  17. Crystal SewellBehavior Technician1063909968
  18. Latoya Sewell, CRNPPsychiatric/Mental Health Nurse Practitioner1164689410
  19. Zewdnesh Seyoum, MDInternal Medicine Physician1164635918
  20. Rawan ShaatBehavior Analyst1437712502
  21. Cleo Shackelford, RBTBehavior Technician1861350100
  22. Jessica Shackman, M.D.Emergency Medicine Physician1992149744
  23. Tahmineh Shadkhoo, LCPCProfessional Counselor1902307051
  24. Amanda Shafer, MSN, CRNP, FNP-CFamily Nurse Practitioner1437859881
  25. Jawedullah ShafiqBehavior Technician1518476472
  26. Deepak Shah, MDFamily Medicine Physician1306878699
  27. Deshna ShahBehavior Technician1962135608
  28. Palak Shah, DDSGeneral Practice Dentistry1306191234
  29. Parul Shah, M.D.Pediatrics Physician1396861431
  30. Rekha Shah, M.D.Anesthesiology Physician1457328353
  31. Sandra Shaklan, MSW, LCSW-CClinical Social Worker1265724694
  32. Ravi Shamaiengar, MDDiagnostic Radiology Physician1164433405
  33. Anum Shami, PHARMDPharmacist1578088514
  34. Gretchen Shapero, PAMedical Physician Assistant1073514295
  35. Deanna Shapiro, PA-CPhysician Assistant1518362441
  36. Elizabeth Shapiro, M.S.,C.R.N.P.Pediatric Nurse Practitioner1497767180
  37. Ajaya Sharma, M.D.Hospitalist Physician1295153336
  38. Jay SharmaBehavior Analyst1023530177
  39. Manjul Sharma, MDInternal Medicine Physician1285695791
  40. Meera Sharma, M.D.Anesthesiology Physician1699741504
  41. Amy Sharp, OTRPediatric Physical Therapist1063576791
  42. Arnette SharpRegistered Nurse1508258377
  43. Evan SharpPharmacist1144945973
  44. Gaylene Sharp, APRN, NP-CFamily Nurse Practitioner1144660846
  45. Rex Sharp, ATCAthletic Trainer1003038597
  46. Neal Shastri, ODOptometrist1497161749
  47. Jasmine ShatzerBehavior Technician1134991888
  48. Brionna ShaversBehavior Technician1487511838
  49. Laura Shaw, FNP-CFamily Medicine Physician1184322653
  50. Rhonda ShawBehavior Technician1972370591

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.