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Ophthalmology

Kathy Hwang, MD

Sees patients in Sacramento, CA · California

Summary

Kathy Hwang, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in Sacramento, CA. NPI 1548263817. 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 Kathy Hwang, 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)
Harvard Medical SchoolMedical school
FemaleGender (as listed)
Michael J Schermer MD IncGroup practice

Quick answers

Where does Kathy Hwang see patients?
Medicare's clinician data lists 1 practice location in Sacramento, CA. Call before your visit to confirm the address.
What is Kathy Hwang's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Kathy Hwang accept Medicare assignment?
Yes. Medicare's clinician data says Kathy Hwang 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 Kathy Hwang?
(916) 453-1111, as listed in official Medicare / NPI Registry data.
What is Kathy Hwang's NPI number?
1548263817. 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 Kathy Hwang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kathy Hwang as a member of this group (CMS data updated 2026-10-02).

  • Michael J Schermer MD Inc4 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Sacramento

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

All ophthalmologists in Sacramento →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year1990
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548263817
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