Douglas M. Montgomery, MD

Practice locations

Addresses where Douglas M. Montgomery is enrolled with Medicare (CMS data updated October 2, 2026).

• 10800 Magnolia AveRiverside, CA 92505 (951) 353‑2000

Group practices

Medicare enrollment lists Douglas M. Montgomery as a member of this group (CMS data updated October 2, 2026).

• Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Riverside

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

• Sudha Moola, MD
• Nilima H. Mamtora, MD
• Julia Canders, MD
• Christine Suh, MD
• Connie Chung, MD
• Aron Schuftan, MD
• Brenda J. Ross-Shelton, MD
• Enrico Pietrantonio, MD

All OB-GYNs in Riverside →

Other clinicians in Southern California Permanente Medical Group

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

• Robert Lee, DO
• Sawrav J. Mukherjee, MD
• Rupa K. Patel, MD
• Albert S. Ko, MD
• Melvina M. Taylor, NP
• Jose A. Esquivias

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