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

Ophthalmology

Marc A. Yonkers, MD

Sees patients in Daly City, CA · California

Summary

Marc A. Yonkers, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in Daly City, CA. NPI 1750671780. 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 Marc A. Yonkers, 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
15Years since medical school (graduated 2011)
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Marc A. Yonkers see patients?
Medicare's clinician data lists 1 practice location in Daly City, CA. Call before your visit to confirm the address.
What is Marc A. Yonkers's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Marc A. Yonkers accept Medicare assignment?
Yes. Medicare's clinician data says Marc A. Yonkers 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 Marc A. Yonkers?
(650) 301-5860, as listed in official Medicare / NPI Registry data.
What is Marc A. Yonkers's NPI number?
1750671780. 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 Marc A. Yonkers is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Daly City

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

All ophthalmologists in Daly City →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750671780
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