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

Surgical Oncology

Jeffery Chakedis

Works at hospitals in Antioch, CA · California

Summary

Jeffery Chakedis (Surgical Oncology) is listed by Medicare at 1 hospital in Antioch, CA. NPI 1356661664. 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 Jeffery Chakedis, 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

Surgical OncologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Ohio State University College Of MedicineMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Jeffery Chakedis work at?
Medicare's official clinician data lists Jeffery Chakedis at 1 hospital: Kaiser Foundation Hospital - Antioch. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jeffery Chakedis see patients?
Medicare's clinician data lists 1 practice location in Walnut Creek, CA. Call before your visit to confirm the address.
What is Jeffery Chakedis's specialty?
Medicare lists Surgical Oncology as the primary specialty.
Does Jeffery Chakedis accept Medicare assignment?
Yes. Medicare's clinician data says Jeffery Chakedis 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 Jeffery Chakedis?
(925) 295-4000, as listed in official Medicare / NPI Registry data.
What is Jeffery Chakedis's NPI number?
1356661664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jeffery Chakedis works

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

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Surgical Oncology doctors in California →

Other surgical oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All surgical oncologists in California →

Clinician information

Medical schoolOhio State University College Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356661664
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