Marianne Peck, MD

Meet Marianne Peck, MD

Expert Women's Health Care with Advanced Robotic Gynecologic Surgery and High-Risk Obstetrics

Dr. Marianne Peck is a board-certified OB/GYN bringing more than 15 years of experience in women's health, obstetrics, and gynecologic surgery to East Texas. A graduate of Baylor College of Medicine, where she also completed her Obstetrics & Gynecology residency and served as Administrative Chief Resident, Dr. Peck has built a reputation for delivering personalized care and surgical excellence. Throughout her career, she has maintained a high-volume obstetric and gynecologic practice while helping train future physicians as an Assistant Professor. Now serving patients in Tyler, she combines advanced clinical expertise with a patient-centered approach that empowers women through every stage of life.

Career at a Glance

• More than 15 years of experience in obstetrics and gynecology.
• Administrative Chief Resident at Baylor College of Medicine.
• Da Vinci robotic surgery certified since 2013.
• Consistently maintained obstetric and gynecologic surgical volumes with RVU production above the 90th percentile.
• Recipient of multiple honors, including the Community Cares Hero Award and Rising Star Physician recognition.

Clinical Role and Leadership

As a board-certified OB/GYN and Fellow of the American College of Obstetricians and Gynecologists, Dr. Peck provides comprehensive women's healthcare with a special focus on both obstetrics and minimally invasive gynecologic surgery. Her extensive experience managing routine and high-risk pregnancies, combined with advanced robotic surgical training, allows her to offer patients a broad range of treatment options tailored to their individual needs. She is also committed to advancing the field through physician education and mentorship.

She provides specialized care for conditions such as:

• High-risk pregnancy
• Abnormal uterine bleeding
• Polycystic ovarian syndrome (PCOS)
• Cervical dysplasia
• Ectopic pregnancy
• Pregnancy complications requiring advanced obstetric management
• Gynecologic conditions requiring minimally invasive or robotic surgery

What You Can Expect from Care with Marianne Peck, MD

Dr. Peck believes every patient deserves individualized care delivered in a supportive, comfortable environment. She emphasizes open communication and shared decision-making, ensuring patients understand their options and feel confident throughout their healthcare journey. Whether caring for an expectant mother or helping a patient navigate a complex gynecologic condition, her goal is to develop a treatment plan that aligns with each patient's unique circumstances and goals.

You can expect:

• Personalized treatment plans tailored to your individual needs
• Open, respectful communication and collaborative decision-making
• Comprehensive care throughout pregnancy and beyond
• Evidence-based medical and surgical treatment options
• Compassionate support in a comfortable and welcoming environment

Advanced Surgical Innovation / Diagnostic Care

Dr. Peck offers advanced minimally invasive and robotic gynecologic surgery using the Da Vinci Surgical System. Her surgical expertise includes robotic hysterectomy, myomectomy, cystectomy, oophorectomy, hysteroscopic procedures, treatment of ectopic pregnancies, and other minimally invasive interventions. She further expanded her surgical expertise through advanced training with GYN Oncology of Houston, where she gained additional experience in complex gynecologic and robotic surgery. Her goal is to provide effective treatment options that may reduce recovery time and allow patients to return to their daily lives sooner.

Research, Clinical Insight, and Thought Leadership

Dr. Peck has contributed to academic medicine through both research and physician education. During her residency at Baylor College of Medicine, she received the Resident Research Award and presented research examining predictors of post-operative care following hysterectomy at the Baylor OB/GYN Research Day. Additionally, she served as an Assistant Professor, educating and evaluating medical students during their OB/GYN clinical rotations. These experiences reflect her commitment to advancing clinical knowledge and strengthening the next generation of physicians.

Commitment to Public Health and Health Equity

Throughout her career, Dr. Peck has demonstrated a commitment to serving patients and communities through compassionate care, physician education, and community engagement. Tomball Regional Medical Center recognized her dedication with the Community Cares Hero Award. Beyond direct patient care, she has helped shape future healthcare providers through teaching and mentoring medical students, extending her impact beyond the exam room and into the broader healthcare community.