Penn Medicine Provider
Reproductive Endocrinology and Infertility
Kathleen E. O'Neill, MD, MTR
she/her/hers
5.0
(74)
LGBTQ+ affirming provider
Additional provider information
Accepting new patients
Sees patients age 15 to 65
Penn Fertility Care
Make an appointmentCall 800-789-7366

About me

  • Co-Principal Investigator UNTIL Trial
  • Assistant Professor of Obstetrics and Gynecology at the Hospital of the University of Pennsylvania

Dr. O’Neill is an attending surgeon specializing in reproductive endocrinology and infertility. She also serves as an assistant professor of obstetrics and gynecology and is the co-principal investigator of the Uterus Transplant for Uterine Factor Infertility (UNTIL) Trial.

Education and training

  • Medical School: University of Michigan
  • Residency: Barnes-Jewish Hospital - Washington University, St. Louis
  • Fellowship: Hospital of the University of Pennsylvania

What my patients think about me

Average Rating
5.0

74 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.

May 2025
5.0
5.0
She was open to talking through the best next steps for my specific circumstance
April 2025
5.0
5.0
she's great
March 2025
5.0
5.0
she listens and give the best options
February 2025
5.0
5.0
dr o'neill is friendly and knowledgeable. she listened to our thoughts and concerns and answered all of our questions. she was on time and the appt wasn't rushed

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.
  • Lancaster General Hospital: Has privileges to treat patients in the hospital.
Dr. O'Neill is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Yano Maher JC, Zelinski MB, Oktay KH, Duncan FE, Segars JH, Lujan ME, Lou H, Yun BH, Hanfling SN, Schwartz LE, Laronda MM, Halvorson LM, O'Neill KE, Gomez-Lobo V Classification system of human ovarian follicle morphology: recommendations of the National Institute of Child Health and Human Development - sponsored ovarian nomenclature workshop. , Fertil Steril, 123(5):761-778: 2025

Walter JR, Richards EG, Johannesson L, Falcone T, Jungheim E, Testa G, O'Neill KE, Harvie HS Cost-effectiveness analysis of uterus transplantation vs. gestational carrier for treatment of absolute uterine factor infertility in the United States. , Fertil Steril, S0015-0282(25): 2025,00035-4

Johannesson L, Humphries LA, Porrett PM, Testa G, Anderson S, Walter JR, Rush M, Ferrando CA, O'Neill K, Richards EG Classification and treatment of vaginal strictures at the donor-recipient anastomosis after uterus transplant. , Fertil Steril, 122(3):525-534: 2024

Walter JR, Johannesson L, Falcone T, Putnam JM, Testa G, Richards EG, O'Neill KE In Vitro Fertilization Practice in Patients with Absolute Uterine Factor Undergoing Uterus Transplant in the United States. , Fertil Steril, 122(3):397-405: 2024

Herz C, Vergnet N, Tian S, Aly AH, Jolley MA, Tran N, Arenas G, Lasso A, Schwartz N, O'Neill KE, Yushkevich PA, Pouch AM Open-source graphical user interface for the creation of synthetic skeletons for medical image analysis. , J Med Imaging (Bellingham), 11(3): 2024,036001

Johannesson L, Sawinski D, Vock DM, Kristek J, Fronek J, Richards EG, O'Neill KE, Perni U, Porrett PM, Testa G A Multi-Institutional Report of Intermediate-Term Kidney Outcomes in Uterus Transplant Recipients. , Kidney Int Rep, 8(10): 2156-2159: 2023

Fisher SA, Grijalva M, Guo R, Johnston SA, Laurent LC, Nguyen H, Renz J, Rosario JG, Rudich S, Gregory BD, Kim J, O'Neill K Systematic Sampling of the Female Reproductive System for Molecular Characterization. , Curr Protoc, 3(8): 2023,e848

Johannesson L, Testa G, Beshara MM, da Graca B, Walter JR, Quintini C, Latif N, Hashimoto K, Richards EG, O'Neill K Awareness and Interest in Uterus Transplantation over Time: Analysis of Those Seeking Surgical Correction for Uterine-Factor Infertility in the US. , J Clin Med, 12(13): 2023,4201

O'Neill KE, Maher JY, Laronda MM, Duncan FE, LeDuc RD, Lujan ME, Oktay KH, Pouch AM, Segars JH, Tsui EL, Zelinski MB, Halvorson LM, Gomez-Lobo V Anatomic nomenclature and 3-dimensional regional model of the human ovary: call for a new paradigm. , Am J Obstet Gynecol, 228(3):270-275: 2023

Sawinski D, Ralston SJ, Coscia L, Klein CL, Wang EY, Porret P, O’Neill K, Iltis AS Counselling, Research Gaps, and Ethical Considerations Surrounding Pregnancy in Solid Organ Transplant Recipients. , J Bioeth Inq, 20(1):89-99: 2023