Frances Gerard Genil, MD

Practice locations

Addresses where Frances Gerard Genil is enrolled with Medicare (CMS data updated October 2, 2026).

• 1129 W 4th StOntario, CA 91762 (909) 363‑9300
• 501 S Idaho St, Suite 190La Habra, CA 90631

Group practices

Medicare enrollment lists Frances Gerard Genil as a member of this group (CMS data updated October 2, 2026).

• Friends of Family Health Center12 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Ontario

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

• David G. Talukdar, MD
• Michael H. Bien, MD
• Paloma Khamly, DO
• Frank W. Chen, MD
• Daniel S. Seid, MD
• Tenzin Janjung, MD
• Ian C. Casimiro, MD
• Jennet C. Lee, MD

All internal medicine doctors in Ontario →

Other clinicians in Friends of Family Health Center

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

• Payam Jafari
• Jeanette Castro, DO
• Iwan Nyotowidjojo, MD
• Anna C. Liu, DO
• Steve G. Rahimi, MD
• Mehran Rouhani Sisan, 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