5
508 Ratings with 501 written Reviews

Overview based on verified provider data
Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.
![]() | ![]() | ![]() | ![]() |
| Olga Mermel Calof, MD | Dr. Pauline Tessalee Limchaiyawat | Dr. Lawrence Neil Parker | Dr. Mitra Maryam Fatourechi |
| Endocrinology, Diabetes & Metabolism | Internal Medicine | Internal Medicine | Endocrinology, Diabetes & Metabolism |
| Accepts New Patients | Accepts New Patients | ||
| 32 Years of Experience | 14 Years of Experience | 57 Years of Experience | 20 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Russian, English | |||
| San Pedro , CA | Beverly Hills , CA | REDONDO BEACH , CA | Anaheim , CA |
| Med School: St. Georges University | Med School: University Of California San Diego School Of Medicine | Med School: STANFORD UNIVERSITY SCHOOL OF MEDICINE | Med School: University Of Minnesota Medical School |
Current Profile | View Profile | View Profile | View Profile |
Olga Mermel Calof 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 fellowship at Charles R. Drew University of Medicine & Sciences in 2005, Charles R Drew University of Medicine and Sciences King Drew Medical Center in 2005, Martin Luther King Jr Charles Drew Medical Center in 2005, and Charles R Drew University of Medicine Sciences Oto in 2005.
Completed their residency at San Joaquin General Hospital in 2003, San Joaquin General Hospital Internal Medicine Residency Program in 2003, and San Joaquin General Hospital French Camp CA in 2003.
Completed their internship at San Joaquin General Hospital in 2002 and San Jaquina General Hospital UC David in 2000.
Graduated from St. Georges University in 1999, St Georges University School of Medicine in 1999, St Georges University British West Indies in 1999, St Georges in 1999, and California State University Northridge in 1994.
Olga Mermel Calof's NPI number is 1386667723.










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.