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Ophthalmology

John W. Kircher, MD

Sees patients in Oakland, CA · California

Summary

John W. Kircher, MD (Ophthalmology) is enrolled with Medicare at 3 practice locations in Oakland, CA. NPI 1427312883. 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 John W. Kircher, 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
14Years since medical school (graduated 2012)
Uniformed Services Uhs Fe Hebert School Of MedMedical school
MaleGender (as listed)
Alameda Health SystemGroup practice

Quick answers

Where does John W. Kircher see patients?
Medicare's clinician data lists 3 practice locations, including Oakland, CA. Call before your visit to confirm the address.
What is John W. Kircher's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does John W. Kircher accept Medicare assignment?
Yes. Medicare's clinician data says John W. Kircher 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 John W. Kircher?
(510) 437-4800, as listed in official Medicare / NPI Registry data.
What is John W. Kircher's NPI number?
1427312883. 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 John W. Kircher is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John W. Kircher as a member of this group (CMS data updated 2026-10-02).

  • Alameda Health System601 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Oakland

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

All ophthalmologists in Oakland →

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427312883
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