Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Michael A. Warner, MD

Sees patients in Hemet, CA · Long Beach, CA · Menifee, CA … · California, Florida

Summary

Michael A. Warner, MD (Ophthalmology) is enrolled with Medicare at 9 practice locations in Hemet, CA, Long Beach, CA and Menifee, CA and other places. NPI 1265458293. 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 Michael A. Warner, 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)
Duke University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Michael A. Warner see patients?
Medicare's clinician data lists 9 practice locations, including Hemet, CA, Long Beach, CA and Menifee, CA. Call before your visit to confirm the address.
What is Michael A. Warner's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Michael A. Warner accept Medicare assignment?
Yes. Medicare's clinician data says Michael A. Warner 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 Michael A. Warner?
(951) 652-6100, as listed in official Medicare / NPI Registry data.
What is Michael A. Warner's NPI number?
1265458293. 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 Michael A. Warner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Michael A. Warner as a member of these groups (CMS data updated 2026-10-02).

  • Azul Vision Inc48 clinicians in the group
  • California Cataract Center and Medical Group Inc14 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Hemet

Clinicians with the same Medicare primary specialty in Hemet, CA — not a recommendation.

All ophthalmologists in Hemet →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265458293
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