Summary

Dr. Sydney Thayer is an obstetrics and gynecology physician who specializes in maternal and fetal medicine. She completed her medical education at the University of California San Diego School of Medicine and brings nine years of clinical experience to her practice. Her dual specialization allows her to provide comprehensive care for women throughout pregnancy and childbirth, with particular expertise in managing complex maternal and fetal conditions.

Dr. Thayer practices at several locations throughout the Saint Louis, Missouri area, including Barnes Jewish Hospital, Christian Hospital, Missouri Baptist Medical Center, and Memorial Hospital Shiloh in O'Fallon, Illinois. She focuses on caring for women with high-risk pregnancies and those who are pregnant after age 30. Her expertise extends to managing anemia during pregnancy and performing specialized procedures such as fetal ultrasounds and protein urine testing to monitor maternal and fetal health throughout pregnancy.

AI-generated from data on this provider profile.

Quick Facts

  • 9 years of experience
  • 8 insurance plans accepted
  • University Of California San Diego School Of Medicine
  • 2 specialties
  • 1 area of expertise
  • 4 office locations
  • Female

Office Locations

Dr. Sydney Marie Thayer has 4 locations

Barnes Jewish Hospital

1 Barnes Jewish Hospital PlzSaint Louis, MO 63110

Christian Hospital

11133 Dunn RdSaint Louis, MO 63136

Missouri Baptist Medical Center

3015 N Ballas RdSaint Louis, MO 63131

Memorial Hospital Shiloh

1404 Cross StO Fallon, IL 62269

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Dr. Sydney Marie Thayer
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Dr. Sydney Marie ThayerDr. Patrick Peter Yeung, MDDr. Matthew Allen Powell, MDDr. Kevin Owen Easley, MD
Obstetrics & GynecologyObstetrics & GynecologyGynecologic OncologyGynecologic Oncology
Accepts New Patients Accepts New Patients
4.1 
3.8 
9 Years of Experience 26 Years of Experience 31 Years of Experience 43 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Spanish, French Speaks English
Saint Louis , MOSaint Louis , MOSt. LOUIS , MOSAINT LOUIS , MO
Med School: University Of California San Diego School Of Medicine Med School: Obstretrics & Gynecology -Georgetown University Med School: Michigan State University College Of Human Medicine Med School: University Of North Carolina At Chapel Hill School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Sydney Marie Thayer

  • Aetna
  • Aetna Better Health - Medicaid (Managed)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • CHAMPVA
  • Cigna
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)

Medical Specialties

Dr. Sydney Marie Thayer has the following 2 specialties

Specialty Expertise

Dr. Sydney Marie Thayer has the following area of expertise

  • Maternal & Fetal Medicine

Certifications, License, & Education

9 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active
Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Medical School

University Of California San Diego School Of MedicineGraduated in 2017

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Frequently Asked Questions

Is Dr. Sydney Thayer accepting new patients?
Dr. Sydney Thayer has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Sydney Thayer accept my insurance?
You can see the insurance plans that Dr. Sydney Thayer accepts on their Vitals profile.
How can I make an appointment with Dr. Sydney Thayer?
You can find contact information for Dr. Sydney Thayer here on Vitals.
Does Dr. Sydney Thayer accept virtual/telehealth appointments?
Dr. Sydney Thayer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Sydney Thayer's office located?
Dr. Sydney Thayer's office is located at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110.

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