Monica M. Thornhill-Joynes, MD

Practice locations

Addresses where Monica M. Thornhill-Joynes is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 E Beverly Blvd, Suite 304Montebello, CA 90640 (323) 722‑7418

Group practices

Medicare enrollment lists Monica M. Thornhill-Joynes as a member of this group (CMS data updated October 2, 2026).

• Kidney Specialists Medical Corporation6 clinicians in the group

Specialties

• Nephrologyprimary
• Infectious Diseasealso
• Internal Medicinealso

Find other Nephrology doctors in California →

Other nephrologists in Montebello

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

• Edgar P. Toscano, MD
• Kay K. Kyaw, MD
• Dorsa F. Maryska, MD
• Win Win Hlaing, MD
• Brian M. Zwecker, MD
• Carlos R. Gonzalez, MD
• Lathika Raakesh, MD
• Maybel M. Tan, MD

All nephrologists in Montebello →

Other clinicians in Kidney Specialists Medical Corporation

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

• Martha Montealegre, NP
• Dorsa F. Maryska, MD
• Win Win Hlaing, MD
• Willy G. Singh, DO
• Brian M. Zwecker, 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