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 105 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. Samantha RumphBehavior Technician1578433389
  2. Samantha RuotoloBehavior Technician1215697701
  3. Chrisiah RushBehavior Technician1346106465
  4. Sakinah RushdanBehavior Technician1699231233
  5. Ashley RussellBehavior Technician1801742960
  6. Brittany RussellBehavior Technician1649007204
  7. Hannah RussellBehavior Technician1316897283
  8. James Russell, MDUrology Physician1649739541
  9. Jonathon Russell, MDOtolaryngology Physician1205148707
  10. Steven RussettBehavior Technician1861280927
  11. Corrine Russo, PA-CPhysician Assistant1093236945
  12. Philip RussoBehavior Technician1295668937
  13. Claire Rutenbeck, R.N.Registered Nurse1205238110
  14. James Rutledge, PSYD, MFSClinical Psychologist1295070274
  15. Jennifer Rutter, RBTBehavior Technician1558882340
  16. Aiden RyanBehavior Technician1255280921
  17. Donna Ryder, RNRegistered Nurse1982909644
  18. Jennifer Ryu, CRNPPediatric Nurse Practitioner1629570049
  19. Mazen Saad, DDSDentist1710287651
  20. Priscilla Saah, RNRegistered Nurse1114383312
  21. Richard SaavedraBehavior Technician1770322588
  22. Xochilt SaavedraBehavior Technician1265370829
  23. Sarafina SabahBehavior Technician1881580041
  24. Charisse Sabath, M.D.Internal Medicine Physician1043478480
  25. Leann SabbBehavior Technician1346970357
  26. Ghazal SabetazmBehavior Technician1740944248
  27. Mariama SaccohBehavior Technician1598579260
  28. Brad Sachs, PH.D.Psychologist1487886909
  29. Matila Sackor, LGPCMental Health Counselor1922973726
  30. Zainab Saddique, M.EDBehavior Technician1457016198
  31. Rabail Sadiq, MDHospitalist Physician1285155994
  32. Jasmin Sahbaz, M.D.Cardiovascular Disease Physician1083009666
  33. Amy Sahm, RNRegistered Nurse1639658644
  34. Joanna Saich, LCSW-CClinical Social Worker1538342993
  35. Raj Saini, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1700867900
  36. Rumneet Saini, M.DPediatrics Physician1609843838
  37. Tarun Saini, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1811189012
  38. Maureen Saint-Cyr, LICSWClinical Social Worker1407085780
  39. Zenzo SakalaBehavior Technician1295669604
  40. Lauren Saks, LCSW-CClinical Social Worker1164971644
  41. Omolola Salaam, MDAnesthesiology Physician1225396377
  42. Lorena Salas, LCSW-CClinical Social Worker1336516442
  43. Jennifer Salaverri, LCSW-CClinical Social Worker1235536921
  44. Sara Saliem, MDObstetrics & Gynecology Physician1568095768
  45. Jalloh SalmaBehavior Analyst1184594566
  46. Carmen Salvaterra, MDPulmonary Disease Physician1285639336
  47. Sayouoba Samelare, REGISTERED NURSERegistered Nurse1134690845
  48. Shannon Sammis, MSWSocial Worker1265000343
  49. Janice Sams, LC SWCClinical Social Worker1225147440
  50. Angela Samsock, RNRegistered Nurse1932446150

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.