Ursula Balthazar, MD
Reproductive Endocrinologist · Aspire Fertility-San Antonio, San Antonio, TX
Photo: aspirefertility.com.
Years in practice: 14+ (clinic biography)
Specialty: Reproductive Endocrinology & Infertility (federal NPI registry)
Board certified: Obstetrics & gynecology and reproductive endocrinology & infertility (clinic biography)
Training: MD, Loyola University Chicago Stritch School of Medicine; OB/GYN residency and REI fellowship, University of North Carolina at Chapel Hill (clinic biography)
Focus areas: reproductive endocrinology and infertility (clinic biography)
Contact & booking (through the clinic)
Clinic biography and contact options ↗ · clinic profile on TFI
You book directly with the clinic.
Sources
Last updated: November 6, 2026
· Clinic bio page (aspirefertility.com)
· Federal NPI registry (NPI 1669693370)
· PubMed author search
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