Chetachi A. Okereke, MD

Practice locations

Addresses where Chetachi A. Okereke is enrolled with Medicare (CMS data updated October 2, 2026).

• 1515 Newell AveWalnut Creek, CA 94596 (925) 295‑4000

Group practices

Medicare enrollment lists Chetachi A. Okereke as a member of this group (CMS data updated October 2, 2026).

• Permanente Medical Group Inc10,996 clinicians in the group

Specialties

• Rheumatologyprimary
• Internal Medicinealso

Find other Rheumatology doctors in California →

Other rheumatologists in Walnut Creek

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

• Saba Ziaee, MD
• Raul Romea, MD
• Anthony S. Padula, MD
• Atul Agrawal, MD
• Midori J. Nishio, MD
• Melissa McNamara, MD
• Zuzana U. Foster, MD
• Karun M. Nair, MD

All rheumatologists in Walnut Creek →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Jing-Fun Wu, MD
• Michelle D. Desanto, DO
• Vu Nguyen, MD
• Bo Ra Chae, MD
• Kyle A. Henderson, PA
• Edward Rubio, MD

Clinician information

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 October 2, 2026, retrieved October 29, 2026
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