Jimena Rivas, MD, is a compassionate, board-certified obstetrician and gynecologist who is dedicated to providing personalized, attentive care for women at all stages of life. She serves patients at Advanced Obstetrics & Gynecology, LLC, with offices in Lebanon, Branchburg, and two locations in Flemington, New Jersey. Dr. Rivas has special expertise in general and high-risk obstetrics, menopause management, abnormal uterine bleeding, sexual dysfunction, and contraception.
Dr. Rivas earned her medical degree from Universidad de Caldas in Manizales, Colombia, and completed her first residency at Rita Arango Álvarez del Pino Medical Center. She then moved to the United States, where she completed residency training at both Morristown Medical Center and Overlook Medical Center in Morristown, New Jersey. During her training, she served as chief resident, earned a clinical excellence award in obstetrics, and received the Finn and Kim Wentworth Award for Resident of the Year.
With extensive experience at a level III maternity center, Dr. Rivas is highly skilled in managing complex and high-risk pregnancies. She is a Fellow of the American Congress of Obstetricians and Gynecologists and is fluent in both English and Spanish. In 2023, she was named to Castle Connolly’s Top Hispanic and Latino Doctor List, an honor recognizing exceptional physicians serving Hispanic communities with outstanding expertise, patient care, and contributions to healthcare.
Outside the office, Dr. Rivas loves spending time with her three young children. She enjoys crafting, cooking, dancing, and being outdoors.
Your health matters. Your voice matters. And your story matters.
At Advanced Obstetrics & Gynecology, we’re here to support you every step of the way — with compassion, expertise, and care that feels personal. Whether you’re scheduling your first visit or returning for ongoing care, we’re honored to be your partners in health.
Call us today or request an appointment online. We can’t wait to meet you.
Real words from real women — honest stories of care, comfort, and confidence. We’re proud to be part of their journey.

★★★★★
"I had a wonderful experience with this practice. I moved and had to switch practices at 30 weeks pregnant and they were so on top of scheduling, took the time to understand my medical history, and treated my high risk pregnancy seriously despite my late ...

★★★★★
"I have nothing but wonderful things to say about this office. The receptionists are so kind, extremely helpful. I love my Dr, I feel as though she really listens to what I have to say and has helped me through a tough journey. There have been several instances ...

★★★★★
"Dr Rubin is hands down the best doctor I have ever had. He truly has listened to me, always takes his time to address all questions and concerns. Never makes you feel silly for asking any question and he makes sure you feel heard....

★★★★★
"I cannot say enough good things about this practice; especially about Dr. Abeysinghe. She is amazing. I work in healthcare. It is not easy to impress me. I would never know this was a large practice. The office staff calls with results, returns calls, always ...