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Internal Medicine

Nancy W. Tibbs, MD

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

Summary

Nancy W. Tibbs, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Mountain View, CA and Stanford, CA. NPI 1386736015. 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 Nancy W. Tibbs, 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
30Years since medical school (graduated 1996)
Harvard Medical SchoolMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Nancy W. Tibbs work at?
Medicare's official clinician data lists Nancy W. Tibbs at 2 hospitals: El Camino Health and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nancy W. Tibbs see patients?
Medicare's clinician data lists 1 practice location in Palo Alto, CA. Call before your visit to confirm the address.
What is Nancy W. Tibbs's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Nancy W. Tibbs accept Medicare assignment?
Yes. Medicare's clinician data says Nancy W. Tibbs 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 Nancy W. Tibbs offer telehealth?
Medicare's clinician data says Nancy W. Tibbs offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Nancy W. Tibbs?
(415) 600-1020, as listed in official Medicare / NPI Registry data.
What is Nancy W. Tibbs's NPI number?
1386736015. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nancy W. Tibbs works

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

Group practices

Medicare enrollment lists Nancy W. Tibbs 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 Palo Alto

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

All internal medicine doctors in Palo Alto →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year1996
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1386736015
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