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Ophthalmology

Michael K. Chai, MD

Sees patients in Santa Clara, CA · California

Summary

Michael K. Chai, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in Santa Clara, CA. NPI 1992182018. 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 K. Chai, 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
11Years since medical school (graduated 2015)
Jefferson Medical College Of Thomas Jefferson UniversityMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Michael K. Chai see patients?
Medicare's clinician data lists 1 practice location in Santa Clara, CA. Call before your visit to confirm the address.
What is Michael K. Chai's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Michael K. Chai accept Medicare assignment?
Yes. Medicare's clinician data says Michael K. Chai 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 K. Chai?
(408) 851-1000, as listed in official Medicare / NPI Registry data.
What is Michael K. Chai's NPI number?
1992182018. 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 K. Chai is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael K. Chai 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 Santa Clara

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

All ophthalmologists in Santa Clara →

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992182018
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