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

Internal Medicine

Stephanie N. Wong, MD

Works at hospitals in Mountain View, CA · Burlingame, CA · Stanford, CA · California

Summary

Stephanie N. Wong, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Mountain View, CA, Burlingame, CA and Stanford, CA. NPI 1396851663. 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 Stephanie N. Wong, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
26Years since medical school (graduated 2000)
University Of California, San Diego School Of MedicineMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Stephanie N. Wong work at?
Medicare's official clinician data lists Stephanie N. Wong at 3 hospitals: El Camino Health, Peninsula Medical Center and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephanie N. Wong see patients?
Medicare's clinician data lists 1 practice location in Los Altos, CA. Call before your visit to confirm the address.
What is Stephanie N. Wong's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Stephanie N. Wong accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie N. Wong 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.
Does Stephanie N. Wong offer telehealth?
Medicare's clinician data says Stephanie N. Wong offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stephanie N. Wong?
(650) 254-5200, as listed in official Medicare / NPI Registry data.
What is Stephanie N. Wong's NPI number?
1396851663. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephanie N. Wong works

Medicare's Facility Affiliation Data lists Stephanie N. Wong 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 Stephanie N. Wong is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephanie N. Wong as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Altos

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

All internal medicine doctors in Los Altos →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1396851663
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