Dr. Marcia Peck, MD
Endocrinology, Diabetes & Metabolism*•Female•Age 54
Endocrinology, Diabetes & Metabolism*
Dr. Marcia Peck, MD is a diabetes & metabolism endocrinologist in Castro Valley, CA and has over 20 years of experience in the medical field. Dr. Peck has extensive experience in Diabetes & Glucose Monitoring, Osteoporosis & Screening, and Thyroid Disorders. She graduated from UNIVERSITY OF CHICAGO HOSPITAL / ROOSEVELT UNIVERSITY in 2000. She is affiliated with medical facilities such as Alta Bates Summit Medical Center-Alta Bates Campus and Alta Bates Summit Medical Center. She is not accepting new patients.

Castro Valley Primary Care
20101 Lake Chabot Rd Fl 44 Castro Valley, CA 94546Hospital Highlight
Dr. Peck is affiliated with Alta Bates Summit Medical Center Oakland, a highly rated and top awarded hospital for endocrinology, diabetes & metabolism.
At a Glance
- Area of ExpertiseDr. Peck specializes in the area of Diabetes, Metabolism & Endocrinology. • See board certifications
- Trustworthy
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital

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Dr. Peck's Reviews
Likelihood to recommend Dr. Peck
3.7
5 Star | 58% | 58% |
4 Star | 8% | 8% |
3 Star | 0% | 0% |
2 Star | 8% | 8% |
1 Star | 25% | 25% |
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Likelihood of recommending Dr. Peck to family and friends is 3.6666667 out of 5
About Me
biography
Dr. Marcia Peck, MD is a diabetes & metabolism endocrinologist in Castro Valley, CA and has over 20 years of experience in the medical field. Dr. Peck has extensive experience in Diabetes & Glucose Monitoring, Osteoporosis & Screening, and Thyroid...read moreEndocrinology, Diabetes & Metabolism
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
University Of Chicago Hospital / Roosevelt University
Medical School, 2000
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkAlpha Omega Alpha Honor Society, 2000
Focus on Diabetes
Locations
Castro Valley Primary Care
Practice
Affiliated Hospitals
- Recipient of 27
hospital awardsAmerica’s 100 Best Hospitals for Critical Care Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
78%Patients said that doctors always listened to them and explained things well2% higher than the national average
- Recipient of 13
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsCritical Care Excellence Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
76%Patients said that doctors always listened to them and explained things well - Recipient of 25
hospital awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Superior clinical outcomes in treating pulmonary embolism, respiratory system failure, sepsis, and diabetic emergencies
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Superior clinical outcomes in treating pulmonary embolism, respiratory system failure, sepsis, and diabetic emergencies
View all patient feedbackHow patients felt about the care they received at this hospital.
81%Patients said they were given information about recovering at home3% lower than the national average
72%Patients said that doctors always listened to them and explained things well4% lower than the national average
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