Nancy A. Klein, MD
Retired reproductive endocrinologist; SRM founding partner · Pinnacle Fertility Washington-Seattle (formerly Seattle Reproductive Medicine), Seattle, WA
Photo: cdn.pinnaclefertility.com.
Retired from clinical practice (clinic biography)
Specialty: Reproductive Endocrinology & Infertility (clinic biography)
Board certified: Obstetrics & gynecology; reproductive endocrinology & infertility (clinic biography)
Training: MD, Vanderbilt University School of Medicine; residency, University of Tennessee Health Sciences Center, Memphis; REI fellowship, University of Texas Health Science Center at San Antonio (clinic biography)
Focus areas: reproductive aging, egg donation and ovulation induction; reducing high-risk multiple births (clinic biography)
Clinic contact
Clinic biography and contact options ↗ · clinic profile on TFI
Retired from practice. For current care, contact the clinic.
Sources
Last updated: November 6, 2026
· Clinic bio page (pinnaclefertility.com)
· Federal NPI registry (NPI 1255424131)
· PubMed author search
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