Continuing your care with Dr. Dayon...
When you choose your doctor through Monarch HealthCare, a part of OptumCareTM,
you also get the added experience that comes with over 20 years of caring for seniors and families.
Ellen Dayon, MD
OptumCare Medical Group
13930 Seal Beach Blvd
Seal Beach, CA 90740
Monday - Friday 8am - 5pm
Philosophy Of Care:
I truly value the partnership and trust that I’ve developed with each of my patients. I strive to provide each patient with accurate information about their condition or diagnosis and together agree on the best treatment plan that meets their individual health care needs. The end result is a personalized treatment plan that balances the most advanced, evidence-based treatments with the patient’s wants, needs, and preferences.
Accepted Health Insurances:
HMO, POS, PPO, Original Medicare and Medicare Advantage
Dr. Dayon attended medical school in St. Petersburg, Russia, and completed residency in endocrinology with additional studies at the State Institute of Advanced Medical Training. Her U.S. internship and residency was at the University of Southern California.
She is board certified in internal medicine.
Languages - Physician: English, Russian
To select Dr. Dayon as your primary care physician:
Please contact Member Services at your health plan and give them the Provider Identification number listed below.
|Plan||Phone Number||Provider ID Number|
|Anthem Blue Cross||800-338-1116||Pending|
|Medi-Cal||Phone Number||Provider ID Number|
|Medicare Advantage||Phone Number||Provider ID Number|
|Anthem Blue Cross||888-230-7338||Pending|
|OneCare & OneCare Connect||877-412-2734||00A534030Q39|
|SCAN Health Plan||800-559-3500||21753 /(Group #823)|
Please call us at 888-346-2810 for assistance.