Dr. Marcia C Peck MD Endocrinologist

Dr. Marcia Peck is an endocrinologist in Castro Valley, California. She is affiliated with multiple hospitals in the area, including Eden Medical Center and San Leandro Hospital. She received her medical degree from University of Chicago Pritzker School of Medicine and has been in practice for 14 years. Dr. Peck accepts several types of health insurance, listed below. She is one of 3 doctors at Eden Medical Center and one of 2 at San Leandro Hospital who specialize in Endocrinology, Diabetes & Metabolism.

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Office Location

See Contact Information

Specialty & Clinical Interests

Endocrinologist: General Endocrinology

Clinical Interests: Gestational Diabetes, Osteoporosis, Thyroid Hormones, Pituitary Diseases, Diabetes

Hospital Affiliation

San Leandro Hospital

Eden Medical Center

Education & Medical Training

Stanford University
Residency, Internal Medicine, 2000 - 2003

Stanford University
Fellowship, Endocrinology, Diabetes and Metabolism, 2007 - 2009

University of Chicago Pritzker School of Medicine
Class of 2000

Certifications & Licensure

American Board of Family Medicine
Certified in Family Medicine

American Board of Family Medicine
Certified in Sports Medicine

AZ State Medical License
Active through 2014

Awards, Honors & Recognition

Meaningful Use Stage 1 Certification, Centers for Medicare & Medicaid Services

Publications & Presentations

Reversible Hyperinsulinemic Hypoglycemia after Gastric Bypass: A Consequence of Altered Nutrient Delivery
McLaughlin T, Peck M, Deacon C, Holst, J 2010

A novel PRKAR1A mutation associated with primary pigmented nodular adrenocortical disease and the Carney complex.
Peck, M.C., Visser, B.C., Norton, J.A., Pasche, L., Katznelson, L.

An analysis of the definitions of mental illness used in state parity laws.
Peck, M.C., Scheffler, R.M.

See all 4 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Illinois BlueChoice Select
  • BCBS Illinois PPO
  • CIGNA Open Access
  • Empire BCBS HMO
  • Empire BCBS PPO
  • First Health PPO
  • Great West PPO
  • Healthfirst New York
  • HealthLink PPO
  • HIP of New York - Select PPO
  • MagnaCare PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • MVP Healthcare PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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