About Us

Prospect OBGYN is part of Lifeline Medical Associates,— a partnership of providers across New Jersey dedicated to raising the standard of women’s healthcare. We combine clinical expertise with state-of-the-art technology to deliver personalized, patient-focused care in a warm environment.

Led by Dr. Maria KeanChong, a pioneering female robotic surgeon with 30+ years of experience, together with Dr. Jonathan Jimenez and Dr. Gabriela Ross, we provide a full range of gynecology and obstetrics services — from preventive exams and fertility care to childbirth, menopause, and advanced surgery. Our approach is built on mutual trust, open communication, and personalized attention.

We are proudly affiliated with Hackensack University Medical Center (Hackensack Meridian Health), while maintaining independent systems to support privacy and continuity of care.

Mission

At Prospect OBGYN, our mission is to improve the lives of women by providing compassionate, expert, and comprehensive care across every stage of life. For nearly 30 years, we have been dedicated to delivering personalized obstetric and gynecologic services that combine advanced medical expertise, innovative technology, and a warm, patient-centered approach. We are committed to empowering women through preventive care, education, and trusted medical guidance that fosters health, confidence, and well-being.

Vision

Our vision is to continue building our legacy of excellence by being a leading provider of women’s healthcare in New Jersey — recognized for trusted relationships, innovative treatments, and a holistic approach to wellness. We aspire to expand our impact by supporting generations of women with care that is accessible, comprehensive, and delivered with compassion. At Prospect OBGYN, we envision a future where every woman has the opportunity to live a healthy, confident, and empowered life.

Our Doctors & Team

Maria R. KeanChong, M.D.
Obstetrics & Gynecology, Robotic Surgery

Board-certified OB/GYN with over 30 years of experience providing comprehensive care for women from adolescence through menopause. Trained in robotic and minimally invasive surgery, blending technical precision with the art of restoring women’s health. Experienced in treating complex conditions such as fibroids, endometriosis, and abnormal uterine bleeding. Skilled in performing radiofrequency ablation procedures for uterine fibroids, with a straightforward, patient-focused approach to achieving the best outcomes.

Jonathan D. Jimenez, D.O.
Obstetrics & Gynecology, Robotic Surgery

Board-certified OB/GYN trained at Rutgers–New Jersey Medical School and Rowan–School of Osteopathic Medicine. Extensive surgical experience in minimally invasive and robotic procedures for fibroids and endometriosis, including radiofrequency ablation techniques. Combines precision, innovation, and a patient-centered approach to optimize surgical outcomes. Also provides preventive care, manages common gynecologic conditions, and supports women throughout pregnancy and beyond.

Gabriela A. Ross, M.D.
Obstetrics & Gynecology

Board-certified OB/GYN with training at Rutgers–New Jersey Medical School and Temple University. Provides comprehensive care for women at every stage of life — from adolescence through menopause — with a focus on personalized, relationship-based medicine. Offers attentive prenatal and obstetric care, supporting women through healthy pregnancies, childbirth, and postpartum recovery. Dedicated to fostering trust, open communication, and long-term partnerships in women’s health.

Vanessa Ortiz, M.D.
Obstetrics & Gynecology

Dr. Vanessa Ortiz is an OB/GYN who believes in making every patient feel heard, informed, and cared for. She earned her medical degree from Rutgers Robert Wood Johnson Medical School and completed her residency at Hackensack University Medical Center. Dr. Ortiz provides care throughout pregnancy and for a wide range of gynecologic needs, including minimally invasive surgery. She takes the time to listen, explain options, and work together with each patient to find the best approach for her health.

Zoe Peck, M.D.
Obstetrics & Gynecology

Dr. Zoe Peck is an OB/GYN who values building trusting relationships with her patients. She earned her medical degree from Hackensack Meridian School of Medicine and completed her residency at Hackensack University Medical Center. Her areas of interest include labor management, preventive gynecologic care, and family planning. Dr. Peck believes that good care starts with listening and helping each patient feel comfortable, supported, and confident in her healthcare decisions.

Melissa Prior, APN, WHNP-BC.
Women’s Health Nurse Practitioner

Board-certified WHNP with 10+ years of experience providing comprehensive care across the lifespan. Supports preventive care, gynecologic visits, and obstetric needs with a warm, patient-centered approach.

Jessica Androsiglio, APN, WHNP-BC.
Women’s Health Nurse Practitioner

Board-certified WHNP with extensive hospital-based experience, including many years in Labor & Delivery at Hackensack University Medical Center. Dedicated to evidence-based care and patient education.

Staff

Compassion, Professionalism, and Attention to Detail

At Prospect OBGYN, exceptional care starts long before you see your doctor. From your first phone call to your follow-up appointments, our administrative, front desk, and medical
assistant teams work together to create a seamless, welcoming, and professional experience for every patient.

We understand that visiting your OB/GYN can involve sensitive moments, important decisions, and sometimes complex logistics. That’s why our staff is trained not only in
efficiency but also in empathy — ensuring that every step of your journey is supported with clarity, kindness, and attention to detail.

Administrative Team

Our front desk professionals are the first friendly faces you see when you arrive. They set the tone for a warm, welcoming visit by greeting every patient with courtesy and professionalism. From check-in to check-out, they assist with forms, verify information, answer questions, and provide guidance to make sure each visit runs smoothly. Their goal is to make you feel comfortable and cared for from the very beginning.

Medical Assistants

Our medical assistants are the vital bridge between patients and providers. They prepare you for your appointment, take your medical history, and ensure that you feel informed and supported throughout your visit. With empathy and professionalism, they guide you through procedures and follow up on care instructions. Their presence helps create a safe, calm environment where you can focus on your health and well-being.

At Prospect OBGYN, we believe that excellent medical care is only possible with a team that cares deeply. Our administrative, front desk, and medical assistant staff bring warmth, efficiency, and human connection to everything they do, ensuring that every patient feels valued, respected, and supported at every stage of their care.

Our Facilities

At Prospect OBGYN, we’ve created a modern, comfortable space designed to make every visit a positive experience. Our offices feature welcoming waiting areas, well-equipped examination rooms, and private spaces that reflect our commitment to patient comfort and care. Conveniently located in Paramus, NJ, our facility offers ample parking for all patients, making your visit stress-free from the moment you arrive.

Whether you’re coming in for a routine checkup, prenatal care, or a surgical consultation, our goal is to provide a setting that feels professional, familiar, and welcoming. We believe that a well-designed environment supports better communication, comfort, and confidence in your care.