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General Surgery

Stephanie D. Chao, MD

Sees patients in Palo Alto, CA · California

Summary

Dr. Stephanie D. Chao, MD is a general surgeon at 725 Welch Rd, Palo Alto, CA 94304. Phone: (650) 498-7200. Accepts Medicare assignment. NPI 1952598708. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 725 Welch Rd, Palo Alto, CA 94304 · Directions
  • Phone: (650) 498‑7200
  • Medicare: Accepts Medicare assignment
  • Group practice: LPCH Medical Group Div of Lucile
  • Medical school: University Of California, San Francisco School Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie D. Chao, 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 Stephanie D. Chao accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie D. Chao 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 Stephanie D. Chao's NPI number?
1952598708. 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 Stephanie D. Chao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie D. Chao as a member of this group (CMS data updated October 2, 2026).

  • LPCH Medical Group Div of Lucile337 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Palo Alto

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

All general surgeons in Palo Alto →

Other clinicians in LPCH Medical Group Div of Lucile

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952598708
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