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Marc Seth Effron, M.D.

NPI 1023218815ActiveIndividual· Physical Medicine & Rehabilitation· King Of Prussia, PA

Physical Medicine & Rehabilitation (M.D.) with Phoenix Rehabilitation and Health Services Inc and 1 other group, practicing in King Of Prussia, Pennsylvania. 371 Medicare patients in 2024, $268,257 paid; nearly all of their 947 Part D prescriptions were generic (96%). Merz Pharmaceuticals, LLC was the largest of 4 companies reporting payments in 2025, $157.47 in all, mostly food and beverage. Lists Bryn Mawr Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1023218815
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 20, 2007
Last updated in NPPESApr 6, 2021
Certified by providerApr 6, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Physical Medicine & Rehabilitation Primary208100000XMD433772PA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physical Medicine and Rehabilitation (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients371
Services billed9,754 across 47 procedure codes
Paid by Medicare$268,257

Part D prescriptions in 2024

Prescriptions (claims)947 · 1,073 30-day fills
Patients233
Total drug cost$31,922
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyPhysical Medicine And Rehabilitation
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$157.47 · 8 payments from 4 companies
  • 2024$380.70 · 12 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$157.47 · 8 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Physical Medicine & Rehabilitation providers in King Of Prussia

All Physical Medicine & Rehabilitation providers in Pennsylvania →