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

Obstetrics/Gynecology

Jennifer E. Giese, DO

Sees patients in Fairfield, CA · California

Summary

Jennifer E. Giese, DO (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Fairfield, CA. NPI 1467851337. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer E. Giese, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Jennifer E. Giese see patients?
Medicare's clinician data lists 1 practice location in Fairfield, CA. Call before your visit to confirm the address.
What is Jennifer E. Giese's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Jennifer E. Giese accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer E. Giese 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 Jennifer E. Giese?
(707) 427-4000, as listed in official Medicare / NPI Registry data.
What is Jennifer E. Giese's NPI number?
1467851337. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jennifer E. Giese is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jennifer E. Giese as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Fairfield

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

All OB-GYNs in Fairfield →

Clinician information

CredentialDO
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467851337
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians