3.7
48 Ratings with 34 written Reviews

![]() | ![]() | ![]() | ![]() |
| Dr. John J Regan, MD | Dr. Marc Jay Friedman, MD | Sheridon Hale Groves | Julie Christine Clark |
| Orthopedic Spine Surgery | Sports Medicine | Emergency Medicine | Anesthesiology |
| 48 Years of Experience | 54 Years of Experience | 50 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Spanish | ||
| Santa Monica , CA | Van Nuys , CA | SAN PEDRO , CA | SANTA MONICA , CA |
| Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med | Med School: Weill Cornell Medical College | Med School: University Of Virginia School Of Medicine | Med School: Wake Forest School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Dr. John J Regan holds an expired medical license in the state of California.
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Completed their residency at University Of North Carolina Health System.
Graduated from Suny Upstate Medical University Alan And Marlene Norton Coll Of Med in 1978.
Dr. Regan's NPI number is 1013932508.










This provider profile is built using data from:
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.