Ramona V. Bahnam-Lengyel, MD

Hospitals where Ramona V. Bahnam-Lengyel works

Medicare's Facility Affiliation Data lists Ramona V. Bahnam-Lengyel at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262

Practice locations

Addresses where Ramona V. Bahnam-Lengyel is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Moody Ct, Suite 200Thousand Oaks, CA 91360 (805) 418‑3500
• 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
• 3701 Skypark Dr, Suite 200Torrance, CA 90505 (310) 378‑8900
• 6633 Telephone RdVentura, CA 93003

Group practices

Medicare enrollment lists Ramona V. Bahnam-Lengyel as a member of this group (CMS data updated October 2, 2026).

• The Regents of the University of California1,462 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Thousand Oaks

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

• Munira Husain, MD
• Bader Iqbal, MD
• Danielle M. Ryba, MD
• Jasmine D. Mistry, DO
• Elise L. Bukont, DO
• Jelyn W. Lu, MD
• Mike Oulashian, MD
• Katarzyna N. Albuquerque, MD

All family doctors in Thousand Oaks →

Other clinicians in The Regents of the University of California

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

• Arthur N. Andrada Jr., MD
• Xiamei Chen, NP
• Tom Chen, MD
• Ye Tian, MD
• Maralee R. Kanin, MD
• Christopher R. Halbur, 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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians