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.

She’s awesome , very helpful , and resourceful.
Enjoyed initial consult. She was great on informing me about the issue and forthcoming procedure.
Amazing service
Very pleasant visit this morning. Thank you so much.
She does such a wonderful job making sure the patient is comfortable and feels safe.
Dr. Agosto-Marquez is the best!!! She always spends time addressing my concerns and adds a personal aspect to her care. I adore her and actually look forward to my visits!
Excelente doctora muy amable al igual que su personal que trabaja con ella
Dr. Agosto is exceptional. She is warm, personable, and truly cares about her patients. She listens attentively to every concern and addresses them thoughtfully and promptly. Her communication is clear and reassuring, and she always makes sure I fully understand my options. I never feel rushed during appointments, and I always leave feeling supported and confident in my care. She is exactly the kind of physician you hope to find, and I cannot recommend her highly enough.
Gentle and caring and listened to my concerns!
Absolutely loved her