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Internal Medicine

Gregory L. Derusso, MD

Works at hospitals in Meadowbrook, PA · Philadelphia, PA · Pennsylvania

Summary

Gregory L. Derusso, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Meadowbrook, PA and Philadelphia, PA. NPI 1316959141. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gregory L. Derusso, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
Hahnemann University College Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Gregory L. Derusso work at?
Medicare's official clinician data lists Gregory L. Derusso at 3 hospitals: Holy Redeemer Hospital and Medical Center, Jefferson Einstein Philadelphia Hospital and Nazareth Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory L. Derusso see patients?
Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
What is Gregory L. Derusso's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Gregory L. Derusso accept Medicare assignment?
Yes. Medicare's clinician data says Gregory L. Derusso accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Gregory L. Derusso?
(215) 333-8131, as listed in official Medicare / NPI Registry data.
What is Gregory L. Derusso's NPI number?
1316959141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory L. Derusso works

Medicare's Facility Affiliation Data lists Gregory L. Derusso at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Gregory L. Derusso is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All internal medicine doctors in Philadelphia →

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316959141
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians