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 95 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. Shianne PerezBehavior Technician1942935499
  2. Jaeda PerfettoRegistered Nurse1558844357
  3. Julie Perkins, DPTPhysical Therapist1124424791
  4. Marissa Perkins, CRNPAdult Health Nurse Practitioner1154046738
  5. Linda Perline, PA-CPhysician Assistant1194793109
  6. Michael Perline, M.D.Emergency Medicine Physician1326015082
  7. Denise Perry, R.N.Registered Nurse1114332400
  8. James Perry, P.A.-C.Physician Assistant1831287614
  9. Krishauna PerryBehavior Technician1245175736
  10. Mary Perry, RDRegistered Dietitian1669832606
  11. Robin PerryRegistered Nurse1255760724
  12. Talya Perry, PTPhysical Therapist1356837413
  13. Trisha Perry, LGMFTMental Health Counselor1609445246
  14. Elaine Persons, PTPhysical Therapist1295861136
  15. Jolie PerzinskiBehavior Analyst1710615711
  16. Lara Peter, LCPCProfessional Counselor1003298845
  17. Nathaniel PetersonBehavior Technician1043011604
  18. Raylee PetersonStudent in an Organized Health Care Education/Training Program1871395814
  19. Terie Petrone, RNRegistered Nurse1003272212
  20. Alessia PetroniBehavior Technician1639994866
  21. Monica Petroski, PSY.D.Psychologist1700252608
  22. Maria Petrucci, DCChiropractor1942337530
  23. Dana PetryGenetic Counselor (M.S.)1316305113
  24. Bridget Pettiford, OTR/LOccupational Therapist1205093135
  25. Maximilian Pettis, PHARMDPharmacist1821640046
  26. Corinne PettyBehavior Technician1104598663
  27. Megan PeytonBehavior Technician1033835970
  28. Angela PhamPharmacist1750663555
  29. Ann PhamMarriage & Family Therapist1962130120
  30. Kevin PhamBehavior Technician1962348391
  31. Kristy PhamBehavior Technician1023966256
  32. Paul PhamPharmacist1821370990
  33. Roxanne PhanMental Health Counselor1679451017
  34. Karen Phelps, CD(DONA)Doula1588983167
  35. Kathleen PhilbinAdult Health Nurse Practitioner1821663873
  36. Lara Philippi, D.M.D.General Practice Dentistry1780779660
  37. Beth PhilipsBehavior Technician1083353072
  38. Joanna PhillipsAthletic Trainer1770128126
  39. Judith Phillips, LCSW-CClinical Social Worker1639413560
  40. Lawanis Phillips, NPPrimary Care Nurse Practitioner1003506262
  41. Michael Phillips, L. AC.Acupuncturist1326263559
  42. Mitchell Phillips, LCPCProfessional Counselor1285387654
  43. Tamra PhillipsBehavior Technician1164363081
  44. Christine Pho, PSY.D.Clinical Psychologist1073138715
  45. Steve Phurrough, MDFamily Medicine Physician1023023835
  46. Pau PiangInterpreter1083570865
  47. Roberto PicassoBehavior Technician1720854680
  48. Sydney PickardBehavior Analyst1952848947
  49. Christina PickensOther Technician1184169161
  50. Danielle PickensBehavior Technician1912592569

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.