Marissa S. Weiss, MD, MSCE
she/her/hers
Reproductive Endocrinology and Infertility
LGBTQ+ affirming provider
Accepting new patients
Sees patients age 18 and up
Penn Fertility Care
Make an appointmentCall 800-789-7366
Headshot of Marissa S. Weiss, MD, MSCE
Penn Medicine Provider

About me

  • Assistant Professor of Obstetrics and Gynecology at the Hospital of the University of Pennsylvania

Education and training

  • Medical School: Emory University
  • Residency: Northwestern Memorial Hospital
  • Fellowship: University of Pennsylvania Health System

What my patients think about me

Average Rating

207 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Anonymous
April 2026
i have already referred her several times to others that really like her too!
Anonymous
March 2026
he is very good doctor and he is a good listener.
Anonymous
February 2026
doctor was attentive and focused on providing best level of care with services, treatment, and supportive services, including possible medical research opportunities.
Anonymous
February 2026
she was very supportive and understanding

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Princeton Medical Center: Has privileges to treat patients in the hospital.
Dr. Weiss is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Pollie MP, Peipert BJ, Jain T, Weiss MS. Impact of state insurance mandates on in vitro fertilization utilization among patients with recurrent pregnancy loss , Reprod Biol Endocrinol, 24: 2026,27

Khoei AA, Yan P, Dunn RL, Suh D, Weiss MS, Black K, Marsh EE, Norton EC, Dalton VK, Dupree JM. In Vitro Fertilization Utilization Rates and Outcomes in States With and Without Insurance Coverage Mandates for Male Infertility Care , Urology: 2026

Acker A*, Weiss MS*, Dokras A, Senapati S [*contributed equally] Early Attrition After Access to Fertility Care: Racial Disparities in Completion Rates of the Diagnostic Workup. , Fertil Steril, 124(6):1327-1329: 2025

Pollie MP, Kim AE, Weiss MS, Gracia CR. High patient satisfaction with both telehealth and in-person new patient visits at a large academic fertility center , F S Rep, 7: 2025,46-55

Weiss MS, Barnhart KT Progestin IUDs and Ectopic Pregnancy - A Call for Context, Not Concern. , NEJM EVID, 4(12)::EVIDe2500279.: 2025

Suh D, Yan P, Dunn RL, Norton EC, Dalton VK, Marsh EE, Weiss MS, Dupree JM Using national in vitro fertilization registries to validate clinical outcomes after in vitro fertilization covered by health insurance. , Fertil Steril, 123(6):1029-1038: 2025

Cannarella R, Leitner DV, Weiss M, Vij SC Testicular function and fertility outcomes in males with CF: A multi center retrospective study of men with congenital bilateral absence of the vas deferens based on CFTR mutation status. , J Clin Trans Endocrinol, 40:100388: 2025

Swinney B, Phyllis Yan P, Peipert BJ, Dunn RL, Suh D, Dalton VK, Marsh EE, Norton EC, Dupree JM, Weiss MS State-wide in vitro fertilization (IVF) insurance coverage mandates and IVF utilization in a national sample of privately insured patients. , American Society of Reproductive Medicine Scientific Congress & Expo, San Antonio, TX: 2025

Dupree JM, Peipert BJ, Swinney B Yan P, Dunn RL, Suh D, Dalton VK, Mars EE, Norton EC, Weiss MS Out of pocket In Vitro Fertilization cycles are associated with higher maternal intensive care use in a national sample of privately insured patients. , American Society of Reproductive Medicine Scientific Congress & Expo, San Antonio, TX: 2025

Peipert BJ, Swinney B, Yan P, Dunn RL, Suh D, Dalton VK, Marsh EE, Norton ED, Weiss MS, Dupree JM Insurance coverage and IVF outcomes in the United States: A national claims-based study of privately insured patients. , American Society of Reproductive Medicine Scientific Congress & Expo, San Antonio, TX: 2025