
Nissar Ahmad Shah, MD
Endocrinology
Highlights
Age Groups Seen
- Adult 18-40
- Adult 18-65
Languages
- English
Gender
MaleAbout Nissar Ahmad Shah
About The Provider
Dr. Shah is board-certified in endocrinology, diabetes, and metabolism, and internal medicine. He loves interacting with his patients, involving them in their journey to achieve better health. He feels it is important to work with patients on a personalized plan for treatment that addresses their specific needs and lifestyle. Dr. Shah specializes in treating diabetes, androgen excess disorders, thyroid diseases, pituitary disorders, adrenal diseases and other disorders of the endocrine system.
Dr. Shah is board-certified by the American Board of Internal Medicine and practices at Adventist Health Physicians Network - Alamo Hills Medical Group in Simi Valley. He received his medical degrees from University of Rajasthan, Dr. S.N. Medical College, Jaipur, India, and Institute of Medical Sciences, Srinagar, Kashmir and did his internal medicine residency at Sisters of Charity Hospital, Catholic Health System in Buffalo, New York. After completing his residency in internal medicine he completed his Fellowship in Endocrinology at Cedars Sinai Medical Center, UCLA program in Los Angeles, followed by NIH funded advance research fellowship in Androgen Excess Disorders at Cedars-Sinai Medical Center in Los Angeles, CA.
He enjoys spending time with his family and his hobbies include music and travel. He also speaks fluent Urdu.
Provider Type
Physician
Locations
- Adventist Health Physicians Network: Sycamore Primary and Specialty Care
- 2950 Sycamore Drive, Suite 300, Simi Valley, CA 93065
- Get Directions
- phone: 805-955-7060
Expertise
Education
- Medical School: All-India Institute of Medical Sciences
- Internship Program: Sisters of Charity Hospital of Buffalo
- Residency Program: Sisters of Providence St Peter Hospital
- Fellowship Program: Cedars-Sinai Medical Center
Insurance
- Adventist Health Employee Health Plan / Incentive Health
- Aetna
- Blue Cross
- Blue Shield
- Cigna
- Coventry
- Facey Medical Group
- Galaxy
- Gold Coast
- Health Net
- Health Smart
- Lakeside
- Medi-cal ORP1
- Medicare
- Medicare Railroad
- MultiPlan
- Networks By Design
- Premier Physicians Alliance IPA
- Regal Medical Group
- Tricare
- Triwest1
- UHC
- Ventura County Health Care Plan
- Western Growers
Ratings & Reviews
4.6 out of 5
50 ratings, 11 reviewsOur providers are at the heart of delivering whole-person care. We encourage patients to share their experiences through a patient satisfaction survey they receive following visits. Provider star ratings are calculated using patient responses to provider-focused questions in this survey. Please see the provider’s star rating and patient reviews below. Thank you for giving Adventist Health the opportunity to support your best health.
- 5 out of 5 starsReviewed on 3/16/2026
I can have an actual conversation with Dr. Shah. He answers my questions and knows about my other doctors.
- 5 out of 5 starsReviewed on 9/27/2025
Dr. Shah is an excellent doctor. He has been my doctor for over 10 years. He is so knowledgeable and always takes time to listen to me and give me the best possible care. I suffered for years with my hypothyroidism until I found him. We have been able to successfully manage my hypothyroidism for the last 10 years!
- 5 out of 5 starsReviewed on 9/26/2025
Dr Nissar Shah is the best !!
- 5 out of 5 starsReviewed on 9/9/2025
Dr. Shah is the best endocrinologist I have ever seen. His expertise and knowledge is absolutely incredible !
- 5 out of 5 starsReviewed on 9/1/2025
Knowledgeable Pleasant Demeanor
- 5 out of 5 starsReviewed on 8/4/2025
Great doctor have never been given bad advice and listens to what I think!
- 5 out of 5 starsReviewed on 7/30/2025
Very good experience
- 5 out of 5 starsReviewed on 7/15/2025
Very caring
- 5 out of 5 starsReviewed on 5/26/2025
Friendly and informative
- 5 out of 5 starsReviewed on 5/26/2025
Loved Dr Shah
- 1 out of 5 starsReviewed on 4/23/2025
Although he is extremely knowledgeable and sought after and highly recommended it does me no good when I can't access him.