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Anesthesiology

Gregory L. Peterfreund, MD

Works at hospitals in Sacramento, CA · California

Summary

Gregory L. Peterfreund, MD (Anesthesiology) is listed by Medicare at 1 hospital in Sacramento, CA. NPI 1134532203. 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 Gregory L. Peterfreund, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Perelman School Of Med At The University Of PennsylvaniaMedical school
MaleGender (as listed)
Regents of the Univ of CaGroup practice

Quick answers

Which hospitals does Gregory L. Peterfreund work at?
Medicare's official clinician data lists Gregory L. Peterfreund at 1 hospital: University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory L. Peterfreund see patients?
Medicare's clinician data lists 4 practice locations, including Rancho Cordova, CA and Sacramento, CA. Call before your visit to confirm the address.
What is Gregory L. Peterfreund's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Gregory L. Peterfreund accept Medicare assignment?
Yes. Medicare's clinician data says Gregory L. Peterfreund 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 Gregory L. Peterfreund?
(916) 734-2525, as listed in official Medicare / NPI Registry data.
What is Gregory L. Peterfreund's NPI number?
1134532203. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory L. Peterfreund works

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

Group practices

Medicare enrollment lists Gregory L. Peterfreund as a member of this group (CMS data updated 2026-10-02).

  • Regents of the Univ of Ca1,584 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Rancho Cordova

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

All anesthesiologists in Rancho Cordova →

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134532203
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