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Orthopedic Surgery

Stephen M. Nagy, MD

Sees patients in Redwood City, CA · South San Francisco, CA · California

Summary

Stephen M. Nagy, MD (Orthopedic Surgery) is enrolled with Medicare at 4 practice locations in Redwood City, CA and South San Francisco, CA. NPI 1629156351. 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 Stephen M. Nagy, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Stephen M. Nagy see patients?
Medicare's clinician data lists 4 practice locations, including Redwood City, CA and South San Francisco, CA. Call before your visit to confirm the address.
What is Stephen M. Nagy's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Stephen M. Nagy accept Medicare assignment?
Yes. Medicare's clinician data says Stephen M. Nagy 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 Stephen M. Nagy?
(650) 299-2000, as listed in official Medicare / NPI Registry data.
What is Stephen M. Nagy's NPI number?
1629156351. 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 Stephen M. Nagy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen M. Nagy as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Redwood City

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

All orthopedic surgeons in Redwood City →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629156351
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