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 112 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. Ipsa SindhwaniBehavior Technician1609764778
  2. Sarah SingallaOccupational Therapist1942635321
  3. Dina Singer, M.AC., L.AC.Acupuncturist1629329214
  4. Aishwarya SinghBehavior Technician1508439712
  5. Anmol Singh, DOFamily Medicine Physician1174106009
  6. Santokh Singh, LCPCMental Health Counselor1548896053
  7. Shreyaa SinghBehavior Technician1376356378
  8. Sudha SinghBehavior Technician1740816115
  9. Chanell SingletaryBehavior Analyst1902454077
  10. Ashley SingletonBehavior Technician1750207460
  11. Laura SingletonBehavior Technician1477392371
  12. Anshu Sinha, MDOphthalmology Physician1649287764
  13. Jair SinisterraStudent in an Organized Health Care Education/Training Program1659161974
  14. Tsega SiressaBehavior Technician1821674185
  15. Fred Sirotkin, O.D.Optometrist1821109596
  16. Elizabeth SitalBehavior Technician1518751353
  17. Jigar Sitapara, M.D.Facial Plastic Surgery Physician1962818252
  18. Mark Sivieri, M.D.Family Medicine Physician1992701742
  19. Diana Siwek, LCSWClinical Social Worker1578831830
  20. Justis SkeeteBehavior Technician1316892771
  21. Wrenn SkidmoreSocial Worker1407306335
  22. Linda Sklar, M.D.Internal Medicine Physician1689950982
  23. Diana SkubeBehavior Analyst1477091023
  24. Kristy SlackBehavior Technician1770232118
  25. Alyssa SlacumBehavior Technician1710653449
  26. Paige SladeBehavior Technician1902563158
  27. Ginette Slankard, RNRegistered Nurse1225526122
  28. Evann Slaughter, PT, DPT, CSCSPhysical Therapist1114683117
  29. Emily Slick, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1922826957
  30. David SloanRegistered Nurse1326547381
  31. Matthew Slowikowski, LCSW-CClinical Social Worker1326856915
  32. Iness SmadhiBehavior Technician1821517335
  33. Dianne SmallBehavior Technician1750159901
  34. Emma SmallBehavior Technician1144031378
  35. Morgan SmalleyOccupational Therapy Assistant1770358475
  36. Deborah Smalls-Bartee, RNRegistered Nurse1841500212
  37. Kristin Smedley, RNRegistered Nurse1285023846
  38. Katherine SmentkowskiUrology Physician1336567353
  39. Stacey SmerkolBehavior Technician1962138412
  40. Haley SmetanaBehavior Technician1083433080
  41. Corrie Smichnick, CCCSpeech-Language Pathologist1518199546
  42. Nicole Smilak, PH.D.Behavior Analyst1760269575
  43. Abigail SmithBehavior Technician1023802998
  44. Adrienne SmithBehavior Technician1285356212
  45. Alecia SmithBehavior Technician1093522617
  46. Allison Smith, BSN, RNRegistered Nurse1699170514
  47. Alyssa SmithBehavior Technician1528700242
  48. Amanda Smith, CNIMOther Technician1134758923
  49. Ambrym Smith, LCSW-CClinical Social Worker1316746928
  50. Amy Smith, RNRegistered Nurse1235562729

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.