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Pathology

Jean S. Oak

Works at hospitals in Palo Alto, CA · Stanford, CA · Pleasanton, CA · California

Summary

Jean S. Oak (Pathology) is listed by Medicare at 3 hospitals in Palo Alto, CA, Stanford, CA and Pleasanton, CA. NPI 1700178530. 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 Jean S. Oak, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
University Of California, Irvine, California College Of MedicineMedical school
FemaleGender (as listed)
Stanford Health CareGroup practice

Quick answers

Which hospitals does Jean S. Oak work at?
Medicare's official clinician data lists Jean S. Oak at 3 hospitals: Lucile Salter Packard Children's Hospital at Stanford, Stanford Health Care and Stanford Health Care Tri-Valley. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jean S. Oak see patients?
Medicare's clinician data lists 2 practice locations, including Stanford, CA and Pleasanton, CA. Call before your visit to confirm the address.
What is Jean S. Oak's specialty?
Medicare lists Pathology as the primary specialty.
Does Jean S. Oak accept Medicare assignment?
Yes. Medicare's clinician data says Jean S. Oak 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 Jean S. Oak?
(650) 723-4000, as listed in official Medicare / NPI Registry data.
What is Jean S. Oak's NPI number?
1700178530. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jean S. Oak works

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

Group practices

Medicare enrollment lists Jean S. Oak as a member of this group (CMS data updated 2026-10-02).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in Stanford

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

All pathologists in Stanford →

Clinician information

Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700178530
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