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 4 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. Jabria AliBehavior Technician1053271536
  2. Qurat Ul Ain Ali, MDInternal Medicine Physician1073194668
  3. Sanna Ali, CRNPFamily Nurse Practitioner1629594221
  4. Shabnam Ali, M.D.Rheumatology Physician1487837837
  5. Abeda Ali Khan, M.D.Internal Medicine Physician1407894140
  6. Cinthya AliceaBehavior Technician1356184790
  7. David AliffBehavior Technician1568293835
  8. Marina Allary, PHDBehavior Technician1467280453
  9. Alicia AllenMassage Therapist1376302422
  10. Allison AllenSocial Worker1598398646
  11. Kerri Allen, RBTBehavior Technician1841110020
  12. Maria Allen, LCSW-CSocial Worker1154850337
  13. Sydney AllenBehavior Technician1861285736
  14. Lisa Alley, ATC, LATAthletic Trainer1033560438
  15. Bisola AlliBehavior Analyst1508455585
  16. Florence Alli, FNP/PMHNPPsychiatric/Mental Health Nurse Practitioner1760887517
  17. Mujidat Alli-BalogunBehavior Technician1134995913
  18. Worlodi Allison-Lah, RNRegistered Nurse1417365818
  19. Jenna Alloush, DDSGeneral Practice Dentistry1093406696
  20. Susan AlmusaDentist1427114149
  21. Lynn Alonso, MDInternal Medicine Physician1942269352
  22. Sheeba Alousyes, RNRegistered Nurse1811292576
  23. Kiauna AlstonBehavior Technician1972276665
  24. Nyja AlstonRegistered Nurse1275274557
  25. Kim Alston-AkersStudent in an Organized Health Care Education/Training Program1588556526
  26. Daphene Altema-Johnson, MPH, MBA, RDN, LDRegistered Dietitian1487379798
  27. Madison AltenburgBehavior Technician1982376950
  28. Janet Althen, LACAcupuncturist1073652343
  29. Anna Altieri, LCPCMental Health Counselor1366849077
  30. Jordan Alton, BTBehavior Technician1467174466
  31. Nathaniel Alton, LMSWSocial Worker1518883891
  32. Bruce Altschuler, DDSDentist1124236070
  33. Carlos AlvarezBehavior Technician1093579278
  34. Carmen Alvarez, NP-C, CNMFamily Nurse Practitioner1396925723
  35. Rebecca AlvarezRegistered Nurse1043959703
  36. Emilia Alvarez-Negron, CRNPAdult Health Nurse Practitioner1730630575
  37. Katerine Alvarez-RamirezBehavior Analyst1568008647
  38. Daniel AmacherStudent in an Organized Health Care Education/Training Program1992198782
  39. Bernard AmaniampongNurse's Aide1598407959
  40. Karla Amaya RivasBehavior Technician1912859802
  41. Rose Ambrose, M.D.Psychiatry Physician1558311555
  42. Whitney Amereihn, RNRegistered Nurse1033579305
  43. Madisyn AmesBehavior Technician1376336958
  44. Emmanuel AmewehBehavior Technician1023983400
  45. Bejal AminOccupational Therapist1871186122
  46. Shahriar Amin, M.D.Critical Care Medicine (Internal Medicine) Physician1376501882
  47. Heaven AmingBehavior Technician1609708031
  48. Saba AmjadBehavior Technician1427658004
  49. Martina Amoako-DuaBehavior Technician1568109023
  50. Theresa Amoloza, LMSWClinical Social Worker1457076945

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.