The Valley Hospital Fertility Center team works together to provide personalized, attentive care to individuals and couples seeking fertility treatment. 

Reproductive Endocrinologists

Ali Nasseri, MD, PhD, Medical Director

Ali Nasseri, MD, PhD

Medical Director

Dr. Nasseri is the Medical Director of The Valley Hospital Fertility Center. He and his physician colleagues work as a team to provide unique treatment and care based on each patient’s singular needs.

Dr. Nasseri is a graduate of Emory University in Atlanta and the University of Maryland School of Medicine in Baltimore. He performed his residency in obstetrics and gynecology at Albert Einstein School of Medicine in New York City, and his fellowship was performed in reproductive endocrinology and infertility at Mount Sinai Medical Center in New York City.

Dr. Nasseri is board certified from the American Board of Obstetrics and Gynecology, holding Diplomate status in obstetrics and gynecology and reproductive endocrinology and infertility. He was formerly an Assistant Clinical Professor at New York University School of Medicine and has authored numerous articles and book chapters in reproductive endocrinology.

Dehan Chen, MD, Associate Clinical Director

Dehan Chen, MD

Associate Clinical Director

Dehan Chen, MD, graduated from Harvard University receiving the Harvard College Scholar Award in 1989 and an A.B. degree in 1991. He received his medical degree from Albert Einstein College of Medicine in 1995. Dr. Chen completed his OB/GYN internship and residency at New York Presbyterian Hospital.

In 1999 he went on to a fellowship in reproductive endocrinology and infertility at the Center for Reproductive Medicine and Infertility at New York Presbyterian Hospital/Cornell Medical College in New York City, completing his fellowship in June 2002. He is board certified in obstetrics and gynecology and reproductive endocrinology.

Keri L. Greenseid, MD, Staff Physician

Keri L. Greenseid, MD

Staff Physician

Dr. Greenseid received her undergraduate degree from the State University of New York at Binghamton, and her medical degrees from the State University of New York Health Science Center at Brooklyn (SUNY Downstate Medical Center). She completed a residency in obstetrics and gynecology at New York University Medical Center and a fellowship in reproductive endocrinology and infertility at the Albert Einstein College of Medicine.

Dr. Greenseid is board certified in obstetrics and gynecology and in reproductive endocrinology and infertility. She is a member of the American College of Obstetricians and Gynecologists and the American Society for Reproductive Medicine.

Dr. Greenseid lives in Millburn, NJ, with her husband and two sons.

Psychologist

Kim Altman Weiss, PhD, Clinical Psychologist

Kim Altman Weiss, PhD

Clinical Psychologist

Kim Altman Weiss, PhD, is a licensed clinical psychologist and nutrition counselor who has completed fellowship training in infertility counseling and reproductive issues. She has been a consultant for fertility specialists since 2000.

Dr. Weiss earned her doctorate at Fordham University where she conducted research and clinical work in health psychology. She completed an internship concentrating in Family and Child Therapy at Westchester Jewish Community Services. 

Dr. Weiss received specialized training from nationally known experts in the field of infertility counseling at the Center for Reproductive Medicine and Infertility at Weill Cornell Medical Center. 

Nurse Coordinators

Our team of nurse coordinators provides care based on your individual needs. You will meet with a nurse coordinator at every visit. Our nurse coordinators:

  • Are available to answer questions, schedule appointments and problem-solve everyday concerns that affect your fertility treatment.
  • Work closely with our physicians to ensure your diagnosis and treatment are done in a timely manner, at your convenience and with as little disruption to your life as possible.
  • Act as liaison between you and other staff in the center such as laboratory and support staff.
Margaret Post, RN, Clinical Shift Supervisor

Margaret Post, RN, Clinical Shift Supervisor

Kathryn Amaisse, RN

Kathryn Amaisse, RN

Melissa Feliciano, RN

Melissa Feliciano, RN

Adrienne Marciniak, RN

Adrienne Marciniak, RN

Cathleen Morrissey-McCabe, RN

Cathleen Morrissey-McCabe, RN

Irina Reyes, RN

Irina Reyes, RN

Carolann Zollinger, RN

Carolann Zollinger, RN

Professional, Laboratory and Support Staff 

Our professional, laboratory and support staff work to ensure that every visit with us is timely and efficient. Appointments for procedures and testing outside of the center are conveniently managed for you.

Joan Andrito, Practice Manager

Joan Andrito

Practice Manager

Laboratory Staff

Our fertility lab staff participates with other clinical staff to ensure laboratory testing meets the highest patient care and regulatory standards. 

Andrology and Endocrine Lab

Ann Marie Bongiovanni, Andrology Lab Supervisor

Ann Marie Bongiovanni, Andrology Lab Supervisor

Renata Ayob, IVF Lab Tech

Renata Ayob, IVF Lab Tech

Glenys Garcia, IVF Lab Tech

Glenys Garcia, IVF Lab Tech

Karen Van Lenten, IVF Lab Tech

Karen Van Lenten, IVF Lab Tech

Susan Wallin, Medical Tech

Susan Wallin, Medical Tech

Embryology Lab

Dawn Kelk, PhD, HCLD, Embryology Lab Director

Dawn Kelk, PhD, HCLD, Embryology Lab Director

Nicole Burns, Embryologist

Nicole Burns, Embryologist

Kevin Lambrese, Embryologist

Kevin Lambrese, Embryologist

Sharon Lamoreaux, Embryologist

Sharon Lamoreaux, Embryologist

Melissa Nanidzhanyan, Embryologist

Melissa Nanidzhanyan, Embryologist

Financial Counselors

From your first visit through diagnosis and treatment, our financial counselors continue to provide updated information about your insurance and financial options.

Financial Coordinators

Michelle Hernandez 

Michelle Hernandez 

Lyshanda Hyatt

Lyshanda Hyatt

Lorraine Schneider

Lorraine Schneider

Patient Care Associates

Yuneisy Alfonso

Yuneisy Alfonso

Kari King-Galland

Kari King-Galland

Ann Powell

Ann Powell

Joyce Reiser

Joyce Reiser

Business Associates

Maureen Gavigan

Maureen Gavigan

Amber Hughes

Amber Hughes

Rachell Nepola

Rachell Nepola

Khrystyna Pompa

Khrystyna Pompa

Stefania Preza-Alva

Stefania Preza-Alva

Office Coordinator

Leslie Claudio

Leslie Claudio