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Internal Medicine

Sherfong Gee, DO

Works at hospitals in San Leandro, CA · California

Summary

Sherfong Gee, DO (Internal Medicine) is listed by Medicare at 1 hospital in San Leandro, CA. NPI 1639274772. 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 Sherfong Gee, 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
28Years since medical school (graduated 1998)
College Of Osteo Med Of The Pacific At PomonaMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Sherfong Gee work at?
Medicare's official clinician data lists Sherfong Gee at 1 hospital: Kaiser Foundation Hospital - San Leandro. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sherfong Gee see patients?
Medicare's clinician data lists 1 practice location in San Leandro, CA. Call before your visit to confirm the address.
What is Sherfong Gee's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Critical Care (Intensivists) and Pulmonary Disease.
Does Sherfong Gee accept Medicare assignment?
Yes. Medicare's clinician data says Sherfong Gee 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 Sherfong Gee?
(510) 454-1000, as listed in official Medicare / NPI Registry data.
What is Sherfong Gee's NPI number?
1639274772. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sherfong Gee works

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

Group practices

Medicare enrollment lists Sherfong Gee as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Leandro

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

All internal medicine doctors in San Leandro →

Clinician information

CredentialDO
Medical schoolCollege Of Osteo Med Of The Pacific At Pomona
Graduation year1998
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639274772
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