Overview
Dr. Trammel is a Clinical Assistant Professor in the Division of Maternal Fetal Medicine in the Department of Obstetrics and Gynecology. She obtained her undergraduate degree at Washington University in St Louis, and her medical degree and Masters of Business Administration from the University of Connecticut. Dr. Trammel completed Ob/Gyn residency at Tufts Medical Center and returned to Washington University in St Louis for Maternal Fetal Medicine fellowship. During her fellowship, Dr. Trammel’s research and clinical activities focused on the care of pregnant people with substance use disorders; she is an advocate for empathetic and evidence-based treatment of addiction in pregnancy. Dr. Trammel joined the University of Michigan faculty in 2025.
She is actively involved in clinical research, co-authoring 5 peer reviewed articles. Dr. Trammel is currently accepting new patients.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
Locations
1500 E Medical Center Dr, Ann Arbor, MI 48109
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Briarwood Center For Reproductive Medicine
Dr. Langen is an Associate Professor of Obstetrics and Gynecology at the University of Michigan.She completed her undergraduate degree, medical degree, residency and fellowship education at Stanford University. After graduation in 2012, she joined Michigan Medicine faculty as an Assistant Professor.Dr. Langen is the Obstetrics Director of the Cardio-Obstetrics Program and Director for the Maternal-Fetal Medicine Fellowship at the University of Michigan. Dr. Langen is highly rated in 9 conditions, according to our data. Her clinical expertise encompasses Preeclampsia, Placenta Previa, Peripartum Cardiomyopathy, Intrauterine Device Insertion, and Hormone Replacement Therapy (HRT). Dr. Langen is board certified in Maternal & Fetal Medicine and Obstetrics & Gynecology. Dr. Langen is currently accepting new patients.
Von Voigtlander Women's Hospital
Dr. Treadwell is a Professor of Obstetrics and Gynecology at the University of Michigan Medical School, Maternal Fetal Medicine, and Director of the Fetal Diagnostic Center. Dr. Treadwell received her undergraduate and medical school degrees from the University of Michigan. She subsequently completed her Obstetrics and Gynecology residency followed by her fellowship in Maternal-Fetal Medicine at Wayne State University. She remained in Detroit, based at Hutzel Hospital, for the next 16 years. As director of the Obstetric Ultrasound services for the Detroit Medical Center Hospitals, she pursued her interests in prenatal diagnosis and fetal therapy as well as teaching and clinical research. Dr. Treadwell returned to Ann Arbor in 2006 to join the Maternal-Fetal Medicine team and help develop the fetal diagnosis and therapy program. She has received awards for her outstanding clinical care and for her teaching, including ACOG Mentor of the Year and being named on Castle Connelly America's Top Doctors list every year since 2001. Dr. Treadwell is highly rated in 10 conditions, according to our data. Her clinical expertise encompasses Myelomeningocele, Premature Infant, ABO Incompatibility, and Gestational Diabetes. Dr. Treadwell is currently accepting new patients.
U Of M Obstetrics & Gynecology
Dr. Haefner is the Harold A. Furlong Professor in Women's Health and the Chief of the Division of Gynecology at the University of Michigan. She completed medical school, an obstetrics and gynecology residency, and a gynecologic pathology fellowship at the University of Michigan. Dr. Haefner is the past president of the International Society for the Study of Vulvovaginal Disease and the American Society for Colposcopy and Cervical Pathology. She has been recognized for her teaching as well as her clinical care of patients. Dr. Haefner is highly rated in 9 conditions, according to our data. Her clinical expertise encompasses Vulvodynia, Lichen Sclerosus, Lichen Planus, Vulvar Cancer, and Vulvectomy. Dr. Haefner is board certified in Obstetrics & Gynecology. Dr. Haefner is currently accepting new patients.
Frequently Asked Questions about Dr. Cassandra J. Trammel
How do I make an appointment with Dr. Cassandra J. Trammel?
You can book an appointment with Dr. Cassandra J. Trammel by calling their office at 734-763-6295. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Does Dr. Cassandra J. Trammel accept my insurance?
Dr. Cassandra J. Trammel accepts most major insurance plans, including Aetna and Blue Cross Blue Shield. We recommend calling the office directly at 734-763-6295 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
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