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Ophthalmology

George R. Zambelli Jr., MD

Sees patients in Rochester, PA · Pennsylvania

Summary

Dr. George R. Zambelli Jr., MD is an ophthalmologist at 380 Adams St, Rochester, PA 15074. Phone: (724) 728-5000. Accepts Medicare assignment. In 2024, George R. Zambelli Jr. had 218 Original Medicare patients and 1,091 services. NPI 1295915684. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 380 Adams St, Rochester, PA 15074 · Directions
  • Phone: (724) 728‑5000
  • Medicare: Accepts Medicare assignment
  • Group practice: Western PA Eye Phys and Surgeons
  • Medical school: Saint Louis University School Of Medicine · graduated 1973 (53 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about George R. Zambelli Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does George R. Zambelli Jr. accept Medicare assignment?
Yes. Medicare's clinician data says George R. Zambelli Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does George R. Zambelli Jr. see?
In 2024, CMS data shows 218 Original Medicare patients and 1,091 services for George R. Zambelli Jr.. This counts Original Medicare only and measures volume, not quality.
What is George R. Zambelli Jr.'s NPI number?
1295915684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for George R. Zambelli Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients218
Services billed to Medicare1,091
Different services or procedures25
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient complete exam of visual system (92014)185 services
  2. Imaging of retina (92134)133 services
  3. Imaging of optic nerve (92133)114 services
  4. Exam of visual field with extended testing (92083)88 services
  5. Measurement of corneal curvature and depth of eye (92136)73 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis46%
  • Diabetes30%
  • Ischemic heart disease29%
  • Anxiety24%

Practice locations

Addresses where George R. Zambelli Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists George R. Zambelli Jr. as a member of this group (CMS data updated October 2, 2026).

  • Western PA Eye Phys and Surgeons2 clinicians in the group

Specialties

Find other Ophthalmology doctors in Pennsylvania →

Other ophthalmologists in Pennsylvania

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

All ophthalmologists in Pennsylvania →

Other clinicians in Western PA Eye Phys and Surgeons

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year1973 (53 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295915684
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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