
Guy Ringler
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About
Dr. Guy Ringler is a reproductive endocrinologist and partner at California Fertility Partners, which now operates as Pinnacle Fertility's Los Angeles clinic; he also sees patients at Pinnacle's Manhattan office in New York. Raised near Detroit, he graduated from the University of Michigan and earned his medical degree at Wayne State University, then completed postgraduate training at the University of Chicago and the University of Pennsylvania. He joined the founding physicians of California Fertility Partners in Los Angeles in 1990. He is board certified in obstetrics and gynecology and in reproductive endocrinology and infertility. He is known for his work in third-party reproduction, including egg donation and gestational surrogacy, and has long supported LGBTQ+ family building, serving with organizations such as Men Having Babies.
Education
Undergraduate
University of Michigan
Doctor of Medicine (M.D.)
Wayne State University
Residency, Obstetrics & Gynecology
University of Chicago
Fellowship, Reproductive Endocrinology & Infertility
University of Pennsylvania
Certifications
- –Board Certified, Obstetrics and Gynecology
- –Board Certified, Reproductive Endocrinology and Infertility
- –Fellow, American College of Obstetricians and Gynecologists (FACOG)
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Before Your Consultation
- What Is IVF? A Complete Beginner's Guide
- The IVF Process Step by Step: What to Expect at Every Stage
- How Much Does IVF Cost in 2025? A Complete Breakdown
- Does Insurance Cover IVF? A State-by-State Guide for 2025