Jennifer S. Siani, MD, MBA
Accepting New Patients

Jennifer S. Siani, MD, MBA

  • Diabetes
Average rating: 4.9
 
Westlake Village Primary & Specialty Care |

About

Dr. Jennifer Siani is a board-certified endocrinologist who practices at UCLA Health Westlake Village on La Venta Drive. She cares for all types of endocrine conditions including, but not limited to diabetes, obesity, thyroid, osteoporosis, adrenal, pituitary, menopause, as well as transgender health. She treats all of her patients with compassion and empathy. 

Dr. Siani graduated summa cum laude with a bachelor's in science from UCLA. She completed medical school at UC Irvine’s School of Medicine where she was inducted into the distinguished Alpha Omega Alpha Honor Medical Society. She concurrently earned her MBA at UC Irvine’s Paul Merage School of Business with an emphasis in healthcare. She completed her internal medicine internship and residency at UCLA.

Dr. Siani graduated from the UCLA Endocrinology, Diabetes and Metabolism Fellowship Program where she received diverse training at the Ronald Reagan UCLA Medical Center, the UCLA Santa Monica Medical Center and the West Los Angeles Veteran Affairs Medical Center. 

Prior to rejoining UCLA Health, Dr. Siani worked in a federally qualified healthcare center in Hawthorne, California for four years.  She played an integral role in creating an endocrinology clinic that continues to provide high-quality healthcare for underserved and unhoused patients in the community.

She is proficient in Spanish and welcomes Spanish-speaking patients.  

Outside of the office, Dr. Siani stays active with hiking, tennis, snowboarding, and Pilates. She also loves attending concerts, trying new restaurants, and playing with her snowshoe cat Oscar.

Languages

English, Spanish

Education

Medical Board Certifications

Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine, 2018
Internal Medicine, American Board of Internal Medicine, 2016

Fellowship

Endocrinology, Diabetes, and Metabolism, University of California, Los Angeles, 2018

Residency

Internal Medicine, University of California, Los Angeles, 2016

Degrees

MD, UCI School of Medicine, 2013
MBA, Paul Merage School of Business, 2013

Hospital Affiliations

Ronald Reagan UCLA Medical Center

Medical Services

Insurance

  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Centivo
  • Cigna
  • First Health
  • Health Net of California
  • Interplan (part of HealthSmart)
  • Medicare Advantage
  • MultiPlan
  • UFCM Health System
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • TRICARE
  • UnitedHealthcare

The list of health care plans above may not be comprehensive and could change. 
Please contact your benefits coordinator or health insurance company directly to verify coverage.

Visit our health insurance information page for more details.

Reviews

Overall Rating:
4.9
192 total ratings | 37 reviews
5.0
July 25, 2025
It was great 👍🏻 love how informative she was with me
5.0
July 25, 2025
Fabulous from the minute I walked in to the office! The reception and nursing staff were polite, kind and well informed. The doctor was educational, open, technically excellent and solution oriented. Learned more in one hour than 10 years with last endocrinologist. Many thanks!
5.0
July 10, 2025
She is kind and a good listener.
5.0
July 9, 2025
Pleasant, informative, receptive.
5.0
July 7, 2025
Dr was prompt, provided the follow up I needed for osteoporosis diagnosis and provided a plan for testing, bone density and follow up visit.