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Ophthalmology

Gerald W. Zaidman, MD

Works at hospitals in Valhalla, NY · New York

Summary

Dr. Gerald W. Zaidman, MD is an ophthalmologist at 40 Saw Mill River Rd, Suite Fb2, Hawthorne, NY 10532. Phone: (914) 579-2345. Accepts Medicare assignment. In 2024, Gerald W. Zaidman had 408 Original Medicare patients and 958 services. NPI 1043203995. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 40 Saw Mill River Rd, Suite Fb2, Hawthorne, NY 10532 · Directions
  • Phone: (914) 579‑2345
  • Medicare: Accepts Medicare assignment
  • Hospital: Westchester Medical Center
  • Medical school: Albert Einstein College Of Medicine Of Yeshiva University · graduated 1975 (51 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gerald W. Zaidman, 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 Gerald W. Zaidman accept Medicare assignment?
Yes. Medicare's clinician data says Gerald W. Zaidman 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 Gerald W. Zaidman see?
In 2024, CMS data shows 408 Original Medicare patients and 958 services for Gerald W. Zaidman. This counts Original Medicare only and measures volume, not quality.
What is Gerald W. Zaidman's NPI number?
1043203995. 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 Gerald W. Zaidman, 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 patients408
Services billed to Medicare958
Different services or procedures46
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)589 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)77 services
  3. Removal of foreign body in cornea using slit lamp (65222)41 services
  4. Complex removal of cataract with insertion of prosthetic lens (66982)36 services
  5. Ultrasound scan of cornea to determine thickness (76514)30 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 cholesterol75%
  • High blood pressure70%
  • Arthritis42%
  • Diabetes31%
  • Ischemic heart disease28%
  • Anxiety19%

Hospitals where Gerald W. Zaidman works

Medicare's Facility Affiliation Data lists Gerald W. Zaidman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Gerald W. Zaidman is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in Hawthorne

Clinicians with the same Medicare primary specialty in Hawthorne, NY — not a recommendation.

All ophthalmologists in Hawthorne →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043203995
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians