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

Obstetrics/Gynecology

Megan S. Gau, MD

Works at hospitals in Arcadia, CA · California

Summary

Megan S. Gau, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Arcadia, CA. NPI 1669908265. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Megan S. Gau, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
Stanford University School Of MedicineMedical school
FemaleGender (as listed)
Rose Women's HealthGroup practice

Quick answers

Which hospitals does Megan S. Gau work at?
Medicare's official clinician data lists Megan S. Gau at 1 hospital: USC Arcadia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Megan S. Gau see patients?
Medicare's clinician data lists 1 practice location in Arcadia, CA. Call before your visit to confirm the address.
What is Megan S. Gau's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Megan S. Gau accept Medicare assignment?
Yes. Medicare's clinician data says Megan S. Gau 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 Megan S. Gau?
(626) 461-7071, as listed in official Medicare / NPI Registry data.
What is Megan S. Gau's NPI number?
1669908265. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Megan S. Gau works

Medicare's Facility Affiliation Data lists Megan S. Gau at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Megan S. Gau is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Megan S. Gau as a member of this group (CMS data updated 2026-10-02).

  • Rose Women's Health2 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Arcadia

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

All OB-GYNs in Arcadia →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669908265
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians