NPPES file of Aug 9, 2026

David M. Siegel

Psychologist · Philadelphia, PA

David M. Siegel is a psychologist with a practice address in Philadelphia, Pennsylvania, and NPI 1336993542, issued on Apr 15, 2024. Check the license (Pennsylvania PS020136, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1336993542
Name
David M. Siegel
Primary taxonomy
Psychologist 103T00000X
License number
PS020136 PA
Self-reported in NPPES; status is on the state search
Practice location
3535 Market St, Philadelphia, PA 19104
Phone
(610) 291-2961
Enumerated
Apr 15, 2024
Record last updated
Apr 15, 2024
Medicare enrollment
Enrolled (PECOS I20240602000068); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest psychologist records → All 2,687 in Pennsylvania → Look up another NPI →

Also registered at 3535 Market St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kelly Allison, PHDPsychologist1336466325
  2. Jay Amsterdam, MDPsychiatry Physician1982636320
  3. Joy Anderson, NPPsychiatric/Mental Health Nurse Practitioner1588231047
  4. Steven Arnold, MDPsychiatry Physician1437186327
  5. Brooke Bailer, PHDPsychologist1457607855
  6. Claudia Baldassano, MDPsychiatry Physician1598772048

Verify David M. Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license PS020136    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David M. Siegel among 2,687 psychologist records in Pennsylvania

David M. Siegel is one of 2,687 psychologist records with a practice address in Pennsylvania. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 95% of them.

  • NPI issued2024 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated2023 · median 2004 among the 585 with a school on file
  • Record last updated2024 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Pennsylvania

There are 2,687 psychologist records in Pennsylvania.

All 2,687 in Pennsylvania → Every provider in Philadelphia → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Chiara Baxt, PH.D.Philadelphia, PA 191041871606129
  2. Gayle Chesley, PH.D.Philadelphia, PA 191041326149030
  3. Angela Clarke, PH.D.Philadelphia, PA 191041801901384
  4. Mary Cohen, PHDPhiladelphia, PA 191041508893405
  5. Gary Diamond, PH.D.Philadelphia, PA 191041437254182
  6. Melanie Dubard, PH.D.Philadelphia, PA 191041356457048
  7. Jonathan Huppert, PHDPhiladelphia, PA 191041205854387
  8. Paul Moberg, PHDPhiladelphia, PA 191041134159130

Common questions

What is David M. Siegel's NPI number?

David M. Siegel's National Provider Identifier (NPI) is 1336993542, issued on Apr 15, 2024. An NPI identifies a provider in billing; it is not a license.

Where is David M. Siegel located?

The NPPES record lists a practice address at 3535 Market St, Philadelphia, PA, 19104. Phone: (610) 291-2961. Providers update this record themselves, so call before visiting.

How can I verify David M. Siegel's license?

NPPES lists Pennsylvania license number PS020136, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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

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.