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Ophthalmology

Amy A. Zimmerman, MD

Sees patients in Baltimore, MD · Maryland

Summary

Amy A. Zimmerman, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in Baltimore, MD. NPI 1114958071. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Amy A. Zimmerman, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
Katzen Medical Associates PCGroup practice

Quick answers

Where does Amy A. Zimmerman see patients?
Medicare's clinician data lists 1 practice location in Baltimore, MD. Call before your visit to confirm the address.
What is Amy A. Zimmerman's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Amy A. Zimmerman accept Medicare assignment?
Yes. Medicare's clinician data says Amy A. Zimmerman 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 Amy A. Zimmerman's NPI number?
1114958071. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Amy A. Zimmerman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Amy A. Zimmerman as a member of this group (CMS data updated 2026-10-02).

  • Katzen Medical Associates PC23 clinicians in the group

Specialties

Find other Ophthalmology doctors in Maryland →

Other ophthalmologists in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All ophthalmologists in Baltimore →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year1990
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114958071
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians