Dr. Janelle Agosto-Marquez, M.D., is an experienced OB/GYN at MyOBGYN who has practiced in Las Vegas for 15 years. A Ponce Health Sciences University graduate and Alpha Omega Alpha honoree, she completed her residency at Parkland Memorial Hospital. She specializes in high-risk obstetrics, vulvar pathology, and menopause management. Dr. Agosto-Marquez is fluent in Spanish and is particularly passionate about providing compassionate gynecological care and support for adolescent patients.
Dr. Janelle Agosto-Marquez, M.D., is an experienced OB/GYN at MyOBGYN who has practiced in Las Vegas for 15 years. A Ponce Health Sciences University graduate and Alpha Omega Alpha honoree, she completed her residency at Parkland Memorial Hospital. She specializes in high-risk obstetrics, vulvar pathology, and menopause management. Dr. Agosto-Marquez is fluent in Spanish and is particularly passionate about providing compassionate gynecological care and support for adolescent patients.
Dr. Janelle Agosto-Marquez, M.D., a dedicated and experienced OB-GYN, was born and raised in San Juan, Puerto Rico. She graduated magna cum laude with a major in biology from the University of Puerto Rico before earning her medical degree from Ponce Health Sciences University in 2003, where she was inducted into the prestigious Alpha Omega Alpha Honor Medical Society. During her time at medical school, Dr. Agosto-Márquez was actively involved as a member of the admissions committee and served as the student council president.
Dr. Agosto-Márquez completed her residency in obstetrics and gynecology at Parkland Memorial Hospital, UT Southwestern in Dallas, Texas, in 2007. Following her residency, she worked as a private practice physician in Newark, Delaware, before relocating to Las Vegas, Nevada, where she has practiced for the last 15 years.
Her areas of clinical interest include high-risk obstetrics, preventive gynecological care, perimenopause and menopause management, and the evaluation and treatment of vulvar pathology. Dr. Agosto-Márquez has a particular passion for working with adolescent patients, especially in the areas of teen pregnancies and adolescent gynecological care.
In addition to her clinical practice, Dr. Agosto-Márquez is an active member of the local medical community, committed to providing compassionate and comprehensive care for women of all ages. She speaks fluent Spanish, which allows her to connect with a broad range of patients.
Outside of her medical career, Dr. Agosto-Márquez enjoys spending time with her family, traveling, and staying active as a sports mom. She also makes exercise a priority in her life to maintain a healthy balance.

My visit with this Dr was great!!! She listened to my concerns and came up with a action plan
Very kind person.
An hour behind schedule and wasn’t able to be seen because I had other appointments scheduled as well
She is great.
She is so thorough and even remembered me when I first came in previously
I also enjoy my appointments with Dr Agosto, she listens and takes time to answer questions. I appreciate that she remembers me every time I see her.
she was very friendly and attentive, very personable . i really love that she also speaks spanish !
Knowledgeable and caring! What a wonderful Doctor!
Amazing !!
Very knowledgeable