• Our Physicians

• Megan Dinh, MD
• Joseph Dorfman, MD
• William Giasi, MD
• Leslie Greenberg, MD
• Danielle Harvey, MD
• Robert Helmrich, MD
• Payal Hemrajani, MD
• Valerie Kullmann, MD
• Bert Mandelbaum, MD
• Rebecca Marshall, MD
• Erica Martin, M.D.
• Joelle McConlogue, MD
• Kim Millar, MD
• Adam Naddelman, MD
• Peter Pellegrino, MD
• Dean Pierson, MD
• Shawn Pierson, MD
• Gerald Raymond, MD
• Kathleen Riewe, MD
• Michael Riggall, MD
• Allen Schneider, MD

Our Physicians

Leslie Greenberg, M.D.

Dr. Greenberg joined PNP in 2009. She completed her residency in pediatrics and adolescent medicine at Children's Hospital at Montefiore, Albert Einstein College of Medicine in Bronx, NY. Dr. Greenberg received her medical degree from Tufts University School of Medicine in Boston, MA. She graduated from Brandeis University in Boston, MA. with an BA degree in sociology. Dr. Greenberg is board certified in pediatrics and a fellow of the American Acadmey of Pediatrics. She enjoys baking and reading . Dr. Greenberg lives in West Windsor with her husband, son, and two cats.

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Danielle Harvey, M.D.

Dr. Danielle Harvey joined PNP in July 2011. She completed her pediatric residency from Children’s Hospital in Philadelphia. Dr. Harvey received her medical degree from Georgetown University as well as her undergraduate degree in chemistry from Georgetown. She is board certified in pediatrics and is a fellow of the American Academy of Pediatrics. Dr. Harvey has lived in many places growing up, including Tennessee, South Carolina, Illinois, and Pennsylvania. However, she spent most of her life in northwest NJ and calls the Garden State “home”. She enjoys being active and challenges herself everyday with running, biking or boot camp . She also loves to read and is always in-the-middle of a Kindle book. She currently lives in a 200-year-old trinity in Philadelphia with her husband but will soon be relocating to the Princeton area.

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Robert Helmrich, M.D.

Dr. Helmrich joined PNP in 2002. He completed his pediatric residency from New York Hospital - Cornell Medical Center and was chief pediatric resident the following year. Dr. Helmrich received his medical degree from the University of Medicine and Dentistry of New Jersey - Robert Wood Johnson Medical School in New Brunswick. He obtained his undergraduate degree in biology from Virginia Polytechnic Institute and State University in Blacksburg, Virginia. Dr. Helmrich is board certified in pediatrics and is a fellow of the American Academy of Pediatrics. He enjoys traveling, cooking, skiing, and playing golf. Dr. Helmrich lives in Hopewell with his wife and two sons.

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Payal Hemrajani, M.D.

Dr. Hemrajani joined PNP in 2006. She completed her pediatric residency from St. Christopher's Hospital in Philadelphia and was the chief pediatric resident the following year. Dr. Hemrajani earned her medical degree from the University of Medicine and Dentistry of New Jersey - New Jersey Medical School in Newark, NJ. She graduated from The College of New Jersey with a BS in biology. Dr. Hemrajani is board certified in pediatrics and is a fellow of the American Academy of Pediatrics. She grew up in Monmouth County, NJ and enjoys crafts, knitting, experimenting with new recipes, and spending time with her family. Dr. Hemrajani lives in Monroe with her husband and twin boys.

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