NPPES file of Aug 9, 2026

Psychologist in Pennsylvania

2,687 NPPES records list psychologist with a practice address in Pennsylvania, 21 per 100,000 residents, the 8th highest rate of 51. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 45 of 54.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103T00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Philadelphia has the most, 406

  1. Philadelphia406
  2. Pittsburgh288
  3. Lancaster59
  4. Bala Cynwyd53
  5. Erie50

Psychologist records in Pennsylvania

  1. Edward SholonskiWellsboro, PA 169011255497608
  2. Christina Shook, PSY.D.Lewisburg, PA 178371235351396
  3. Cheryl Shope, M.S.Harrisburg, PA 171121023077039
  4. Susan Shopland, PSY.D.Indiana, PA 157011184849135
  5. Mira Shore, PSYD.Philadelphia, PA 191231750079067
  6. Oona Shotwell, PSYDWest Chester, PA 193801225208614
  7. John Shovlin, M.A.Kingston, PA 187041447356852
  8. Katherine Shrager, PSY.D.Bala Cynwyd, PA 190041528314952
  9. Michael Shreffler, PHDSeven Fields, PA 160461750379574
  10. L. Louise Shuman, PSY.D.Langhorne, PA 190471871520262
  11. M Shur, PH.D.Lansdale, PA 194461528267051
  12. Mary Lou Sicoli, PH.D.West Chester, PA 193821700966512
  13. Noah SidemanPhiladelphia, PA 191471366008872
  14. Margaret SiebertWest Reading, PA 196111770789042
  15. Alex Siegel, J.D.,PH.D.Narberth, PA 190721396967378
  16. David SiegelPhiladelphia, PA 191041336993542
  17. Janet Siegel, PSY DNarberth, PA 190721992757215
  18. Lynn Siegel, PHDBala Cynwyd, PA 190041467597237
  19. Diane SiegmundClarks Green, PA 184111881664894
  20. Kathleen Siepel, M.A,Erie, PA 165011790075372
  21. Cathy Sigmund, PH.D.Pittsburgh, PA 152121346503976
  22. Walter SigutUniontown, PA 154011073786570
  23. Sharon Silberman, MALewisburg, PA 178371407900806
  24. Leonard Silk, PSYDLanghorne, PA 190471982767182
  25. Steven Silver, PH.D.Coatesville, PA 193201831113000
  26. Dina Silverman, PH.D.Philadelphia, PA 191021982971354
  27. Nancy Silverman, PH.D.Philadelphia, PA 191041609969740
  28. Karen Silverman Glick, PSY.D.Philadelphia, PA 191031821273061
  29. Michael Silverstein, PHDBala Cynwyd, PA 190041922874650
  30. Steven Simminger, PH.D.Media, PA 190631568462232
  31. Williametta Simmons, PSY.D/MBABala Cynwyd, PA 190041639594898
  32. Steven Simms, PH.D.Media, PA 190631881970556
  33. Anita Simon, EDDPhiladelphia, PA 191031821284001
  34. Bonnie Simon, PH.D.Merion Station, PA 190661073702072
  35. Mark Simon, PH.D.Schnecksville, PA 180781619426764
  36. Rachel SimondsPittsburgh, PA 152381023619319
  37. Suzette Sims, PH.D.Exton, PA 193411073730701
  38. Silvija Singh, PH. D.Pittsburgh, PA 152171194805077
  39. Mrigaya Sinha, PHDPittsburgh, PA 152281518466168
  40. Lynne Siqueland, PH.D.Plymouth Meeting, PA 194621700956091
  41. Diane Sizer, PH.D.Southampton, PA 189661265478259
  42. Michael Skarlinski, PH.D.Erie, PA 165101003052473
  43. Robert Skelly, PHDChambersburg, PA 172011952483265
  44. Carol Skinner, PHDState College, PA 168011881743110
  45. Katie Slachta, PSYDWarminster, PA 189741801666490
  46. Jeanne Slattery, PH.D.Clarion, PA 162141891716288
  47. Terry Slenker, MAAllentown, PA 181041225101264
  48. Melissa Slomski Long, PH.D.Erie, PA 165051205265758
  49. Ronda Slonaker, MSMoosic, PA 185071669098265
  50. John Sloyer, M.A.Selinsgrove, PA 178701447342084

Source: CMS NPPES, primary taxonomy 103T00000X: records by practice city and the list of records, file of Aug 9, 2026.

Pennsylvania ranks 8 of 51 per resident

  1. New York26
  2. Michigan25
  3. Rhode Island22
  4. Pennsylvania21
  5. Kansas20
  6. West Virginia20
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 103T00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

12.6% of these records appear in a Medicare file, against 10.1% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Pennsylvania12.6%
  2. United States10.1%

Psychologist records in Pennsylvania, measured

  • In a Medicare file339 of 2,687 · 12.6% here, 10.1% nationally
  • In the CMS Doctors and Clinicians file585 · 21.8% here, 18.0% nationally
  • Not updated in five years or more1,872 · 69.7% here, 63.9% nationally
  • Median graduation year2004 · the 585 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,687 NPPES records list psychologist (103T00000X) as their primary taxonomy with a practice address in Pennsylvania: 21 per 100,000 residents against 14 nationally (50 states and D.C.). Philadelphia has 406 of them (15%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Michigan2,549
  2. Massachusetts2,367
  3. Florida2,202
  4. Texas2,141

States with a similar rate per 100,000

  1. Kansas20.4
  2. West Virginia19.6
  3. Nebraska19.3
  4. Rhode Island22.3

The largest states

  1. California7,304
  2. New York5,045
  3. Michigan2,549
  4. Massachusetts2,367
  5. Florida2,202

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

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.