Providers
Maria R. KeanChong, M.D.
Obstetrics & Gynecology, Robotic Surgery
Dr. María R. KeanChong is a board-certified obstetrician and gynecologist with 30 years of experience providing expert care to women through every stage of life—from adolescence and family planning to pregnancy, menopause, and beyond. She is widely recognized for her advanced surgical expertise, including minimally invasive and robotic techniques as well as radiofrequency ablation for fibroids.
A graduate of University of Medicine and Denstistry of New Jersey (UMDNJ), Dr. KeanChong completed her residency in Obstetrics and Gynecology at University Hospital in Newark. She is affiliated with Hackensack University Medical Center and sees patients in Paramus, New Jersey.
Her extensive experience and commitment to excellence have made her a trusted physician for generations of women across northern New Jersey.
Dr. KeanChong is well recognized for her exceptional expertise, deep clinical knowledge, and straightforward professionalism, particularly in the areas of surgery and high-risk obstetric and gynecologic cases. Her colleagues and patients alike value her sharp clinical instinct and decisive approach, which have earned her a reputation as a trusted authority in complex situations. Whether leading a surgical procedure or managing a challenging case, she combines precision, experience, and compassionate care to ensure the best possible outcomes.
Known for her strong, direct approach balanced by deep compassion, Dr. KeanChong combines clinical precision with genuine care for her patients. She sets clear expectations, provides thorough explanations, and approaches complex cases with confidence—while always keeping the patient’s well-being at the center of every decision. Her patients often describe her as firm yet kind: a physician who listens attentively, acts decisively, and advocates fiercely for their health.
Dr. KeanChong is fully bilingual in English and Spanish, which allows her to communicate clearly and build trust with a diverse patient community. She believes that education and open dialogue are essential to lasting health. Her philosophy emphasizes preventive care, empowering women to take an active role in their health, and developing long-term relationships built on respect and trust. Through decades of dedicated service, Dr. KeanChong continues to raise the standard of women’s healthcare. Her combination of surgical excellence, cultural sensitivity, and unwavering commitment to her patients makes her a respected leader and a compassionate partner in every woman’s health journey.
Jonathan D. Jimenez, D.O.
Obstetrics & Gynecology, Robotic Surgery
Dr. Jonathan D. Jimenez is a board-certified obstetrician and gynecologist dedicated to providing modern, attentive, and patient-centered care. Trained in both medicine and surgery, he brings a thoughtful, human touch to women’s health, supporting patients through every stage of life—from adolescence and family planning to pregnancy, menopause, and beyond. His clinical expertise includes minimally invasive and robotic procedures, as well as radiofrequency ablation for fibroids.
Dr. Jimenez completed his medical training at Rutgers New Jersey Medical School and Rowan School of Osteopathic Medicine, and is board-certified by the American Board of Obstetrics and Gynecology. He is affiliated with Hackensack University Medical Center and practices at Prospect OBGYN in Paramus, New Jersey.
Known for his approachable and attentive style, Dr. Jimenez combines the latest medical advancements with a clear, compassionate way of communicating. Patients appreciate his ability to listen carefully, explain procedures and options in a way that’s easy to understand, and create a comfortable space where they feel heard and respected. His approach is modern and evidence-based, while deeply personal and empathetic.
Dr. Jimenez provides a full spectrum of obstetric and gynecologic services, including routine gynecologic exams, family planning, pregnancy care for both low- and high-risk patients, and advanced treatment for conditions such as fibroids, endometriosis, and abnormal uterine bleeding. Whenever possible, he uses minimally invasive techniques to reduce recovery times and improve outcomes.
As a fully bilingual physician (English and Spanish), Dr. Jimenez is committed to making high-quality care accessible to a diverse patient population. His ability to communicate clearly across languages helps build trust and foster lasting relationships with patients and families.
Dr. Jimenez’s philosophy centers on education, partnership, and respect. He believes that informed patients are empowered patients, and he works to guide each woman toward making confident decisions about her health. His blend of clinical expertise, modern perspective, and genuine compassion has earned him a strong reputation as a trusted OB/GYN in northern New Jersey.
Gabriela A. Ross, M.D.
Obstetrics & Gynecology
Dr. Gabriela A. Ross is a board-certified obstetrician and gynecologist dedicated to providing compassionate, individualized care to women at every stage of life. Known for her gentle, patient, and deeply human approach, she combines clinical expertise with genuine warmth, ensuring that each woman feels supported and understood throughout her healthcare journey.
Dr. Ross completed her medical degree at Temple University School of Medicine and her residency in Obstetrics and Gynecology at Rutgers New Jersey Medical School. She is affiliated with Hackensack University Medical Center and sees patients at Prospect OBGYN in Paramus, New Jersey. Her training and experience allow her to deliver comprehensive care, from routine exams and preventive screenings to pregnancy and complex gynecologic concerns.
Dr. Ross provides a full range of obstetric and gynecologic services, including adolescent gynecology, family planning, prenatal and postpartum care, menopause management, and treatment for menstrual disorders and other common women’s health conditions. She emphasizes preventive medicine and early intervention, offering patients a proactive, thoughtful approach to their health.
What truly sets Dr. Ross apart is her commitment to relationship-based medicine. She takes time to listen attentively, answer questions thoroughly, and involve each patient in their care decisions. Her warm and approachable manner creates a sense of trust and comfort, making even the most sensitive conversations feel safe and respectful. Patients appreciate her ability to blend medical knowledge with kindness, ensuring that their concerns are heard and their care is personalized.
Dr. Ross believes that women’s health goes beyond medical treatment — it involves understanding each patient’s story, goals, and needs. She works collaboratively with her patients to develop tailored care plans that support both their immediate health and long-term well-being.
Through her dedication to personalized care and her compassionate approach, Dr. Ross has earned the trust of women and families throughout northern New Jersey. Her focus on building meaningful, long-lasting relationships makes her a valued provider and a strong advocate for women’s health.
Vanessa Ortiz, M.D.
Obstetrics & Gynecology
Dr. Vanessa Ortiz is an Obstetrician-Gynecologist dedicated to caring for women through every stage of life. She believes that good healthcare starts with listening, building trust, and creating a relationship where patients feel comfortable asking questions and making informed decisions about their health.
Dr. Ortiz earned her medical degree from Rutgers Robert Wood Johnson Medical School and completed her residency in Obstetrics and Gynecology at Hackensack University Medical Center. She is proud to care for women and families throughout the Northern New Jersey community.
Her clinical interests include comprehensive obstetric care and minimally invasive
gynecologic surgery, with a particular interest in robotic surgery. She enjoys helping
women navigate pregnancy and childbirth while providing care that reflects their individual needs, values, and goals.
When surgery is needed, she believes in using minimally invasive approaches whenever appropriate, with the goal of providing effective treatment while helping patients return to their everyday lives as comfortably as possible.
Dr. Ortiz combines her surgical expertise with a thoughtful and personal approach to patient care. She takes the time to explain options, answer questions, and make sure her patients feel heard and confident in their care.She is proud to care for women and families throughout the Northern New Jersey community.
Her clinical interests include comprehensive obstetric care and minimally invasive gynecologic surgery, with a particular interest in robotic surgery. She enjoys helping women navigate pregnancy and childbirth while providing care that reflects their individual needs, values, and goals. When surgery is needed, she believes in using minimally invasive approaches whenever appropriate, with the goal of providing effective
treatment while helping patients return to their everyday lives as comfortably as possible.
Fluent in both English and Spanish, Dr. Ortiz is committed to providing accessible, culturally sensitive care and communicating with patients in the language in which they feel most comfortable.
Outside of medicine, Dr. Ortiz values family, balance, and being an active part of her community. She brings that same compassion and dedication to the women she has the privilege of caring for every day.
At Prospect OBGYN, Dr. Ortiz is committed to providing expert care with a personal touch — combining advanced gynecologic and surgical expertise with the trust and connection that every patient deserves.
Zoe Peck, M.D.
Obstetrics & Gynecology
Dr. Zoe Peck is an Obstetrician-Gynecologist dedicated to providing compassionate, personalized care to women through every stage of life. Born and raised in New Jersey, she is proud to care for patients in the community she has always called home.
Dr. Peck earned her medical degree from Hackensack Meridian School of Medicine and completed her residency training in Obstetrics and Gynecology at Hackensack University Medical Center.
Her clinical interests include labor management, preventive care, and family planning. She understands that excellent healthcare begins with a strong patient-physician relationship. By taking the time to listen to each patient’s concerns, understand their individual goals, and discuss their options, she works alongside her patients to develop care plans that feel right for them.
Dr. Peck believes that providing excellent patient care requires more than medical knowledge. It also requires trust, open communication, and a genuine understanding of the person behind each patient. She is committed to patient advocacy and shared decision-making, helping women feel informed, supported, and confident throughout their healthcare journey.
As a lifelong New Jersey resident, Dr. Peck feels a strong connection to the families and communities she serves. Outside of medicine, she enjoys spending time with her local family, cooking, and caring for her ever-growing collection of houseplants.
At Prospect OBGYN, Dr. Peck is committed to providing thoughtful, patient-centered care that combines medical expertise with the personal connection every woman deserves.
Melissa Prior, APN, WHNP-BC.
Women’s Health Nurse Practitioner
Melissa Prior is a board-certified Women’s Health Nurse Practitioner (WHNP) with more than a decade of experience providing comprehensive care to women throughout every stage of life. Known for her warm energy, approachable style, and caring nature, Melissa creates a supportive environment where patients feel truly seen and heard.
Melissa earned her Master’s degree in Women’s Health from the University of Medicine and Dentistry of New Jersey (UMDNJ) and holds national board certification as a Women’s Health Nurse Practitioner. Before becoming a nurse practitioner, she gained extensive clinical experience as a registered nurse in labor and delivery, postpartum, and neonatal care, giving her a deep understanding of women’s health needs during some of life’s most significant transitions.
At Prospect OBGYN in Paramus, New Jersey, Melissa provides a wide range of services including preventive care, gynecologic visits, family planning, prenatal and postpartum care, and menopause management. She places a strong emphasis on education and preventive health, helping patients understand their options and feel empowered to make informed decisions about their care.
Melissa is known for her ability to connect quickly and genuinely with patients. Her energetic and empathetic approach puts women at ease, whether they’re coming in for their first gynecologic visit, managing a complex health concern, or preparing for childbirth. She takes the time to listen closely, explain procedures clearly, and tailor care to meet each woman’s unique needs.
Her philosophy centers on building trusting, long-term relationships, ensuring that each patient receives care that is both medically sound and emotionally supportive. She believes that true wellness comes from a partnership between provider and patient, grounded in open communication, respect, and shared decision-making.
Melissa’s dedication to women’s health, combined with her approachable personality and clinical expertise, has earned her the trust and loyalty of patients throughout northern New Jersey. She is passionate about supporting women at every stage of their journey and making each healthcare experience positive, empowering, and personalized.
Jessica Androsiglio, APN, WHNP-BC.
Women’s Health Nurse Practitioner
Jessica Androsiglio is a board-certified Women’s Health Nurse Practitioner (WHNP) who brings a wealth of clinical experience and a deeply caring, supportive approach to her work. With a background in hospital-based women’s health and years of hands-on patient care, Jessica combines strong clinical skills with a gentle, approachable manner that makes patients feel safe, understood, and cared for.
Jessica earned her Master of Science in Nursing (MSN) from Rutgers University School of Nursing, where she received the Academic Excellence Award in 2016. She holds board certification as a Women’s Health Nurse Practitioner and began her career as a registered nurse at Hackensack University Medical Center, where she worked for many years in medical-surgical units, labor and delivery, and postpartum care. This extensive experience has given her a deep understanding of women’s health needs across different life stages and care settings.
At Prospect OBGYN in Paramus, New Jersey, Jessica provides a comprehensive range of services, including routine gynecologic exams, family planning, prenatal and postpartum care, menopause management, and patient education. She is particularly passionate about guiding women through significant life transitions, ensuring that they receive the personalized attention and support they deserve.
Jessica is known for her kindness, patience, and clear communication style. She takes time to explain procedures, answer questions thoroughly, and make each patient feel heard. Her calm and compassionate demeanor helps put patients at ease, whether they are attending their first gynecologic visit, navigating pregnancy, or seeking menopause care.
Her philosophy centers on evidence-based care, education, and relationship-building. Jessica believes that informed patients make empowered decisions, and she works to create a collaborative environment where trust and respect are at the foundation of every interaction.
Jessica’s combination of clinical excellence and genuine warmth has earned her the trust of women and families throughout northern New Jersey. She remains deeply committed to supporting her patients’ health and well-being at every stage of their lives.
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