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Urology

Gregory McMahon, DO

Works at hospitals in Bryn Mawr, PA · West Chester, PA · Wynnewood, PA … · Pennsylvania

Summary

Gregory McMahon, DO (Urology) is listed by Medicare at 5 hospitals in Bryn Mawr, PA, West Chester, PA and Wynnewood, PA and other places. NPI 1295116218. 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 McMahon, 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

UrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
11Years since medical school (graduated 2015)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
The Centers for Advanced Urology LLPGroup practice

Quick answers

Which hospitals does Gregory McMahon work at?
Medicare's official clinician data lists Gregory McMahon at 5 hospitals: Bryn Mawr Hospital, Chester County Hospital, Main Line Hospital Lankenau, Paoli Hospital and Riddle Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory McMahon see patients?
Medicare's clinician data lists 1 practice location in Plymouth Meeting, PA. Call before your visit to confirm the address.
What is Gregory McMahon's specialty?
Medicare lists Urology as the primary specialty.
Does Gregory McMahon accept Medicare assignment?
Yes. Medicare's clinician data says Gregory McMahon 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.
Does Gregory McMahon offer telehealth?
Medicare's clinician data says Gregory McMahon offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gregory McMahon?
(610) 825-2151, as listed in official Medicare / NPI Registry data.
What is Gregory McMahon's NPI number?
1295116218. 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 McMahon works

Medicare's Facility Affiliation Data lists Gregory McMahon 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 McMahon is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory McMahon as a member of this group (CMS data updated 2026-10-02).

  • The Centers for Advanced Urology LLP145 clinicians in the group

Specialties

Find other Urology doctors in Pennsylvania →

Other urologists in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All urologists in Pennsylvania →

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295116218
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