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Obstetrics/Gynecology

Megan F. Sumida, MD

Sees patients in Stanford, CA · Palo Alto, CA · California

Summary

Dr. Megan F. Sumida, MD is an OB-GYN at 300 Pasteur Dr, Stanford, CA 94305. Phone: (650) 723-4000. Accepts Medicare assignment. NPI 1053872911. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 300 Pasteur Dr, Stanford, CA 94305 · Directions (1 more location)
  • Phone: (650) 723‑4000
  • Medicare: Accepts Medicare assignment
  • Group practice: Stanford Health Care (+1 more)
  • Medical school: University Of Hawaii John A. Burns School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Megan F. Sumida, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Megan F. Sumida accept Medicare assignment?
Yes. Medicare's clinician data says Megan F. Sumida accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Megan F. Sumida's NPI number?
1053872911. 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 Megan F. Sumida is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Megan F. Sumida as a member of these groups (CMS data updated October 2, 2026).

  • Stanford Health Care3,122 clinicians in the group
  • LPCH Medical Group Div of Lucile337 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Stanford

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

All OB-GYNs in Stanford →

Other clinicians in Stanford Health Care

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053872911
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 October 2, 2026, retrieved October 29, 2026
  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