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Ophthalmology

Louis Yang, MD

Sees patients in San Rafael, CA · California

Summary

Louis Yang, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in San Rafael, CA. NPI 1710180377. 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 Louis Yang, 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
19Years since medical school (graduated 2007)
Chicago College Of Medicine And SurgeryMedical school
MaleGender (as listed)

Quick answers

Where does Louis Yang see patients?
Medicare's clinician data lists 1 practice location in San Rafael, CA. Call before your visit to confirm the address.
What is Louis Yang's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Louis Yang accept Medicare assignment?
Yes. Medicare's clinician data says Louis Yang 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 Louis Yang?
(415) 479-2372, as listed in official Medicare / NPI Registry data.
What is Louis Yang's NPI number?
1710180377. 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 Louis Yang is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in San Rafael

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

All ophthalmologists in San Rafael →

Clinician information

CredentialMD
Medical schoolChicago College Of Medicine And Surgery
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710180377
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