4.7
15 Ratings with 5 written Reviews

![]() | ![]() | ![]() | ![]() |
| Dr. Ronald P Karzel, MD | Dr. Cassie Padilla, MD | Dr. Hadji Alejandro Dedace | Dr. Michael Lino Felipe Peyton |
| Sports Medicine | Orthopedic Surgery | Physical Medicine & Rehabilitation | Pediatrics |
| Accepts New Patients | |||
| 43 Years of Experience | 9 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | |||
| Valencia , CA | Westlake Village , CA | Glendale , CA | Tarzana , CA |
| Med School: Harvard Medical School | Med School: Medical College Of Wisconsin | ||
Current Profile | View Profile | View Profile | View Profile |
Dr. Ronald P Karzel holds an inactive medical license in the state of California.
Medical Doctor with an inactive medical license in the state of California that expired in 2025.
Completed their residency at Mc Gaw Medical Center Northwestern University.
Graduated from Harvard Medical School in 1983.
Dr. Karzel's NPI number is 1710922356.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.