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Internal Medicine

Julia Fong, MD

Works at hospitals in Mountain View, CA · California

Summary

Julia Fong, MD (Internal Medicine) is listed by Medicare at 1 hospital in Mountain View, CA. NPI 1154409746. 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 Julia Fong, 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
34Years since medical school (graduated 1992)
Saint Louis University School Of MedicineMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Julia Fong work at?
Medicare's official clinician data lists Julia Fong at 1 hospital: El Camino Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Julia Fong see patients?
Medicare's clinician data lists 2 practice locations, including Los Altos, CA and Palo Alto, CA. Call before your visit to confirm the address.
What is Julia Fong's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Julia Fong accept Medicare assignment?
Yes. Medicare's clinician data says Julia Fong 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 Julia Fong offer telehealth?
Medicare's clinician data says Julia Fong offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Julia Fong?
(650) 254-5200, as listed in official Medicare / NPI Registry data.
What is Julia Fong's NPI number?
1154409746. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Julia Fong works

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

Group practices

Medicare enrollment lists Julia Fong 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 schoolSaint Louis University School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1154409746
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