NPPES file of Aug 9, 2026

Doctors and health care providers in Lancaster, PA

5,378 individual NPPES records list a practice address in Lancaster, 4th of 816 Pennsylvania cities. The largest group is licensed practical nurse: 366, 7% of the city's records, against 2% across Pennsylvania. Page 97 of 108.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Lancaster

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Lancaster in Pennsylvania

  • Rank in Pennsylvania4th of 816 cities by records
  • Share of the state2.1% of Pennsylvania's records
  • Specialties present25 or more taxonomy codes
  • Top three groups15.5% of all records
  • Licensed Practical Nurse rank2nd of the 10 Pennsylvania cities with the most

Compared with Pennsylvania as a whole, Lancaster has 4.5× the state's share of licensed practical nurse records and 0.60× its share of internal medicine physician records.

Providers in Lancaster, alphabetically

  1. Anne Thomas, MS, PT, CWS, CLTPhysical Therapist1356677546
  2. Christopher Thomas, BASocial Worker1407405921
  3. Colin ThomasPharmacist1528663374
  4. John ThomasMental Health Counselor1326862475
  5. Kathryn Thomas, LAT, ATCAthletic Trainer1881053759
  6. Katie ThomasLicensed Practical Nurse1811692247
  7. Kenneth ThomasPharmacist1568114668
  8. Kimbra Thomas, CRNPFamily Nurse Practitioner1790189884
  9. Latonia Thomas, BSBehavior Analyst1396971248
  10. Margaret Thomas, M.D.Family Medicine Physician1093871444
  11. Tyler Thomas, CRNPNurse Practitioner1801381561
  12. Gale Thomason, CRNPFamily Nurse Practitioner1891104808
  13. Brianda ThompsonLicensed Practical Nurse1871482745
  14. Danielle Thompson, MSWCounselor1447449327
  15. Eric Thompson, PA-CPhysician Assistant1407003387
  16. Kali Thompson, LSWClinical Social Worker1255686176
  17. Katharine ThompsonGerontology Clinical Nurse Specialist1205588357
  18. Marquasia ThompsonLicensed Practical Nurse1518774736
  19. Nayda Thompson, LSWSocial Worker1700617578
  20. Rachel Thompson, PA-CMedical Physician Assistant1033373014
  21. Rebecca Thompson, LCSWClinical Social Worker1336705953
  22. Robert Thompson, PA-CMedical Physician Assistant1992257299
  23. Karen Thomsen, SLPSpeech-Language Pathologist1023071271
  24. Emily Thorlakson, PA-CPhysician Assistant1912728486
  25. Donna Thornton, CPDDoula1114767431
  26. Elizabeth Thurber, LCP, NBCCProfessional Counselor1356207682
  27. John Thurber, M.A.Professional Counselor1346065679
  28. James Thurmond, MDNeurological Surgery Physician1174775993
  29. Kim ThvedtCounselor1801719257
  30. Megan Tiburtini, O.D.Optometrist1841503307
  31. Patrick Tiedeken, M.D.Ophthalmology Physician1013994805
  32. Thomas Tien, M.D.Ophthalmology Physician1700234051
  33. Kathleen TimalonisMassage Therapist1326790775
  34. Janice Tindall, M.D.Family Medicine Physician1174569289
  35. Mark Titi, MDAllergy & Immunology Physician1649268525
  36. David ToPhysical Therapy Assistant1215693155
  37. Tuc To, MDInternal Medicine Physician1134651946
  38. Rachael Tobelmann, MS, RD, LDNRegistered Dietitian1891578712
  39. Aaron Tober, D.O.Hospitalist Physician1720407158
  40. Gregory Tocks, D.O.Adult Reconstructive Orthopaedic Surgery Physician1063726446
  41. Clinton ToddPharmacist1114521739
  42. Stephanie Todd, MDInternal Medicine Physician1811020811
  43. Stephanie Todoroff, MAProfessional Counselor1275358038
  44. Marla TognoliMental Health Counselor1427994730
  45. Jumoke Tolashe, FNP-BCFamily Nurse Practitioner1598815623
  46. Patricia Tolle, MSW, LSWSocial Worker1245859826
  47. Karen Tomblin, CCC/SLPSpeech-Language Pathologist1851568257
  48. Aryn TomlinsonSocial Worker1962812388
  49. Duc Ton, PHARMDPharmacist1053199562
  50. Tony Ton-That, MDPain Medicine (Physical Medicine & Rehabilitation) Physician1013904259

The largest Pennsylvania cities

  1. Philadelphia42,849
  2. Pittsburgh28,866
  3. Allentown5,904
  4. Erie5,083
  5. Plymouth Meeting5,019

All of Pennsylvania →

How to read this directory

Lancaster, Pennsylvania appears in the CMS National Plan and Provider Enumeration System with 5,378 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 Lancaster - 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 Lancaster 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 Lancaster is weighted toward Licensed Practical Nurse (366 clinicians, followed by Professional Counselor with 251 and Physical Therapist with 216). 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 Pennsylvania's population, Lancaster reports roughly 41.5 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 Pennsylvania's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Lancaster practice address, a coverage gap Lancaster patients typically fill by traveling to a larger nearby hub.

For Lancaster 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 Lancaster, PA?

There are 5,378 registered healthcare providers in Lancaster, PA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Lancaster?

The most common specialties in Lancaster are Licensed Practical Nurse, Professional Counselor, Physical Therapist, Family Medicine Physician, Clinical Social Worker. Licensed Practical Nurse has the most providers with 366.

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.