Oncology

Lindsay Peterson, MD

Associate Professor, Division of Medical Oncology

Saint Louis, MO

Lindsay L. Peterson, MD, MSCR, is a medical oncologist specializing in the management and treatment of breast cancer at Siteman Cancer Center – South County in St. Louis, Missouri. She primarily treats adult patients with breast cancer, including those focused on survivorship and addressing treatment-related side effects such as fatigue, depression, and chemotherapy toxicities. Her signature approach integrates standard oncologic therapies with lifestyle interventions, emphasizing dietary modifi

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Credentials

Board Certifications

Internal Medicine (ABIM)
Medical Oncology (ABIM)

Education & Training

Medical School: Tulane University School of Medicine (MD, 2006)
Residency: The University of Texas Health Science Center at San Antonio (Internal Medicine, 2009)
Fellowship: The University of Texas Health Science Center at San Antonio (Hematology & Oncology, 2013)
Master's: Washington University School of Medicine (Master of Science in Clinical Research, Unknown)

Years in Practice

20+ years

Peer Recognition

Castle Connolly — Top Doctor
2026
Healthgrades — Healthgrades Honor Roll

Clinical Focus

Subspecialties

Medical Oncology

Conditions & Treatments

Cancer SurvivorshipChemotherapyBreast Cancer

Insurance(s) Accepted

Please verify your coverage with the provider — plan participation can change.

Practice Details

Hospital Affiliations

Parkland Health Center
Barnes-Jewish Hospital
Barnes-jewish West County Hospital
Washington University School of Medicine

Languages

English

Conditions Dr. Peterson treats

Insurance accepted

Frequently asked

Does Dr. Peterson accept Aetna insurance?

Lindsay Peterson's public profile lists Aetna, Cigna, and First Health plus 2 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.

Where does Dr. Peterson practice?

Lindsay Peterson practices in Saint Louis, MO with hospital affiliations including Parkland Health Center, Barnes-Jewish Hospital, and Barnes-jewish West County Hospital.

What does Dr. Peterson specialize in?

Lindsay Peterson is a board-certified oncology specialist with focus areas in Medical Oncology.

How long has Dr. Peterson been practicing?

Lindsay Peterson has 20+ years of clinical experience in oncology.

What is Dr. Peterson's medical training?

Public profile training history includes: Medical School: Tulane University School of Medicine (MD, 2006); Residency: The University of Texas Health Science Center at San Antonio (Internal Medicine, 2009); Fellowship: The University of Texas Health Science Center at San Antonio (Hematology & Oncology, 2013).