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Orthopedic Surgery

Stephanie Y. Pun, MD

Sees patients in Stanford, CA · Redwood City, CA · California

Summary

Dr. Stephanie Y. Pun, MD is an orthopedic surgeon at 300 Pasteur Dr, Stanford, CA 94305. Phone: (650) 723-4000. Accepts Medicare assignment. NPI 1336336379. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 300 Pasteur Dr, Stanford, CA 94305 · Directions (2 more locations)
  • Phone: (650) 723‑4000
  • Medicare: Accepts Medicare assignment
  • Group practice: Stanford Health Care
  • Medical school: University Of California, San Francisco School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie Y. Pun, 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 Y. Pun accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie Y. Pun 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 Y. Pun's NPI number?
1336336379. 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 Y. Pun is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Stanford

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

All orthopedic surgeons 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 California, San Francisco School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336336379
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