NPPES file of Aug 9, 2026

Benjamin Edward Lief, PSY.D.

Clinical Psychologist · King Of Prussia, PA

Benjamin Edward Lief, PSY.D. is a clinical psychologist with a practice address in King Of Prussia, Pennsylvania, and NPI 1689976573, issued on Nov 27, 2010. Check the license (Pennsylvania PSO16896, 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
1689976573
Name
Benjamin Edward Lief
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSO16896 PA
Self-reported in NPPES; status is on the state search
Practice location
20134 Valley Forge Cir, King Of Prussia, PA 19406
Phone
(610) 878-9330
Enumerated
Nov 27, 2010
Record last updated
Sep 27, 2022
Fax
(267) 552-1002
Medicare enrollment
Enrolled (PECOS I20151116001651); 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.
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8 nearest clinical psychologist records → All 2,597 in Pennsylvania → Look up another NPI →

Also registered at 20134 Valley Forge Cir

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

  1. Allison Abrahamson, PSYDClinical Psychologist1083100952
  2. Peggy Backal, PSYDClinical Psychologist1093818080
  3. David Bromberg, PSY.D.Clinical Psychologist1164684718
  4. Allyson DenninClinical Psychologist1790553618
  5. Michael Dyson, PSY.D.Psychologist1427276468
  6. Aubrey FlaniganClinical Psychologist1467176909

Verify Benjamin Edward Lief 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 PSO16896    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.

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Bills Medicare through one group practice

  1. The Center LLCKing Of Prussia, PA

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

Benjamin Edward Lief among 2,597 clinical psychologist records in Pennsylvania

Benjamin Edward Lief, PSY.D. is one of 2,597 clinical psychologist records with a practice address in Pennsylvania. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 54% of them.

  • NPI issued2010 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2009 · median 2003 among the 707 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 clinical psychologist records list a practice address in King Of Prussia

They are 28 of the 1,391 NPPES records with a practice address in King Of Prussia, and 2,597 clinical psychologist records in Pennsylvania.

All 2,597 in Pennsylvania → Every provider in King Of Prussia → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Peggy Backal, PSYDKing Of Prussia, PA 194061093818080
  2. David Bromberg, PSY.D.King Of Prussia, PA 194061164684718
  3. Ashley Higgins, PSY.D.King Of Prussia, PA 194061356896732
  4. Carlene LawsonKing Of Prussia, PA 194061730269283
  5. Darlene Link, PSY.D.King Of Prussia, PA 194061659480705
  6. Howard Markowitz, PHDKing Of Prussia, PA 194061609848993
  7. Victoria Ostroff, PSY.D.King Of Prussia, PA 194061922247436
  8. Candice Ritch-Hood, PH.DKing Of Prussia, PA 194061053542415

Common questions

What is Benjamin Edward Lief, PSY.D.'s NPI number?

Benjamin Edward Lief, PSY.D.'s National Provider Identifier (NPI) is 1689976573, issued on Nov 27, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Edward Lief, PSY.D. located?

The NPPES record lists a practice address at 20134 Valley Forge Cir, King Of Prussia, PA, 19406. Phone: (610) 878-9330. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Edward Lief, PSY.D.'s license?

NPPES lists Pennsylvania license number PSO16896, 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.