3.4
48 Ratings with 19 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Dr. Leonard Ross Zemel, MD | Dr. Elisa Rogowitz, MD, MBA | Elizabeth Ceilley, MD | Dr. Katherin Caren Pope |
| Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Anesthesiology |
| Accepts New Patients | Accepts New Patients | ||
| 45 Years of Experience | 12 Years of Experience | 29 Years of Experience | 4 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, English | Speaks English, Spanish, German | Speaks English | |
| Lakewood , CO | Cape Coral , FL | Lakewood , CO | San Diego , CA |
| Med School: Suny Downstate Medical Center College Of Medicine | Med School: University Of Arizona College Of Medicine | Med School: University Of Iowa | Med School: University Of Washington School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Dr. Leonard Ross Zemel holds an active medical license in the state of Colorado.
Medical Doctor with an active medical license in the state of Colorado that expires in 2027.
Completed their residency at Montefiore Medical Center.
Graduated from Suny Downstate Medical Center College Of Medicine in 1981.
Dr. Zemel's NPI number is 1447256045.










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.