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Internal Medicine

Greg P. Meisner, DO

Works at hospitals in Natrona, PA · Sharon, PA · Greenville, PA · Pennsylvania

Summary

Greg P. Meisner, DO (Internal Medicine) is listed by Medicare at 3 hospitals in Natrona, PA, Sharon, PA and Greenville, PA. NPI 1326604190. 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 Greg P. Meisner, 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
7Years since medical school (graduated 2019)
Lincoln Mem Univ, Debusk Col Of Osteopathic MedMedical school
MaleGender (as listed)
Allegheny ClinicGroup practice

Quick answers

Which hospitals does Greg P. Meisner work at?
Medicare's official clinician data lists Greg P. Meisner at 3 hospitals: Allegheny Valley Hospital, Sharon Regional Medical Center and UPMC Horizon. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Greg P. Meisner see patients?
Medicare's clinician data lists 2 practice locations, including Cheswick, PA and Natrona Heights, PA. Call before your visit to confirm the address.
What is Greg P. Meisner's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Greg P. Meisner accept Medicare assignment?
Yes. Medicare's clinician data says Greg P. Meisner 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 Greg P. Meisner?
(724) 274-9797, as listed in official Medicare / NPI Registry data.
What is Greg P. Meisner's NPI number?
1326604190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Greg P. Meisner works

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

Group practices

Medicare enrollment lists Greg P. Meisner as a member of this group (CMS data updated 2026-10-02).

  • Allegheny Clinic2,389 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Cheswick

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

All internal medicine doctors in Cheswick →

Clinician information

CredentialDO
Medical schoolLincoln Mem Univ, Debusk Col Of Osteopathic Med
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326604190
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