Our Doctors

All of our doctors are certified by the American Board of Allergy and Immunology. This certification indicates three years of primary care training and certification in either pediatrics or internal medicine plus at least 2 years training in allergy and immunology and the fulfillment of extensive examinations and review. This is the highest level of training and recognition a physician who specializes in the field of allergy, asthma, and immune deficiency care can receive in our country. All of our allergists have expertise in treating allergic conditions involving the eyes, ears, nose, lungs, gastrointestinal system, and skin.

Our doctors have been named in the Top Doctor Listing in New Jersey Magazine, Inside New Jersey Magazine, New York Magazine, and recently as Favorite Kid’s Docs in New Jersey Family Magazine.

Arthur F. Fost, M.D.

Arthur F. Fost, M.D.

Dr. Fost graduated from Jefferson Medical College in Philadelphia, and had his post medical school training at the Hospital of the University of Pennsylvania and St. Vincent’s Medical Center in New York City.

He started the first Allergy Training Program in New Jersey, and continues to be active in Research and Teaching. He has published papers in the Medical Journals on Asthma and Allergies.

Dr. Fost was cited in NEW YORK MAGAZINE in the recent "Best Doctors in the New York City Area" for the second consecutive year and was the only Clinical Allergist named from Essex County.   He is cited yearly as a NJ Monthly "Top Doc" by his peers.  

His vocation is medicine, and his main avocation are volunteering to help those less fortunate, utilizing his medical skills. He has worked with the malnourished children in Ethiopia, the Palestinian children in Gaza Strip, Bedouin families in the Negev Desert, refugees in Congo and Rwanda, and Mayan Indians in Guatemala.

He is supported in these efforts by his wife Ruth, his three children, and six grandchildren.

David A. Fost, M.D.

David A. Fost, M.D.

Dr. David Fost is a diplomat of the American Board of Allergy and Immunology and the American Board of Pediatrics.

He received his medical degree from Jefferson Medical College in Philadelphia, Pennsylvania, where he was awarded the Alfred I. DuPont Pediatric Prize for “the student whose performance best demonstrates the qualities of academic and clinical excellence, human compassion, and commitment to the welfare of others.” He completed his internship and residency at the University of Wisconsin Children’s Hospital, and then spent one year teaching clinical pediatrics at the Gloucestershire Royal Hospital in Gloucester, England. He completed a fellowship in allergy/immunology at the internationally recognized National Jewish Medical and Research Center in Denver, Colorado. It is the only medical and research center in the U.S. devoted entirely to respiratory, allergic, and immune system diseases. While at National Jewish, he cared for both adults and children with severe asthma, allergy, and immune disorders.

Dr. Fost was cited in New Jersey Monthly magazine Top Doctors multiple times by his peers in the last 18 years in the biennial list of New Jersey’s best physicians.

Dr. Fost has published scientific and clinical papers on the diagnosis and treatment of asthma and allergies. He continues to teach medical students and residents and is a frequent lecturer on asthma and allergy topics.

He is the third generation of physicians in his family to practice medicine in Essex County, New Jersey, following his grandfather, William Fost, MD and he joined his father, Arthur Fost, M.D. in his current practice. Having a daughter with eczema, allergic rhinitis, and peanut allergy, one of his greatest strengths as a physician is his ability to see the clinical picture from the patient’s point of view and to implement a treatment plan from an empathetic and practical perspective.

Dr. David Fost is also the official school physician for the one of Essex County's local school boards. He selflessly volunteers his time to help with youth sports in our area.

Antonio de la Cruz, M.D.

Antonio de la Cruz, M.D.

Dr. Antonio de la Cruz is board certified in Pediatrics, Allergy & Immunology, and Addiction Medicine. He was born in the Philippines where he studied and earned his medical degree from Far Eastern University. He completed three years of pediatric residency training at the University of Medicine and Dentistry of New Jersey (UMDNJ) serving the last year as chief resident. He followed this residency with two years of fellowship training in Allergy & Immunology and Infectious Disease at the same institution.

Dr. de la Cruz has served as associate director of the immunology laboratories at both UMDNJ and St. Michael's Medical Center and has published papers on AIDS and cellular immune functions. He has also lectured and trained medical students and residents at the medical school in Newark.

In addition, Dr. de la Cruz is very much involved in the treatment and recovery of drug-addicted patients. He is board certified by the American Society of Addiction Medicine and is currently serving as the medical director of Integrity House, a therapeutic community program for substance abuse. He is well loved by his patients and their families and has received several awards for his services to the community.

Dr. de la Cruz is married with three children. His wife, Dr. Milagros de la Cruz serves as a neonatologist at the UMDNJ and is the associate director of neonatology at Trinitas Hospital in Elizabeth, NJ.

Satya D. Narisety, M.D.

Dr. Satya Narisety joined our practice in 2013 and is board certified in Allergy & Immunology and Pediatrics.  She received her medical degree at the University of Medicine and Dentistry of New Jersey. She completed her internship and residency training in Pediatrics at New York University where she participated in several research projects involving improving asthma and tuberculosis diagnosis. She also worked abroad taking care of pediatric HIV patients in Mombasa, Kenya. After spending a year as Clinical Assistant Professor at New York University, she underwent her Allergy & Immunology fellowship training at Johns Hopkins University. During fellowship, she treated patients with severe asthma, food allergy, eczema, urticaria, angioedema and immunodeficiency. She also conducted clinical trials in the treatment of food allergy including milk and peanut.

Dr. Narisety has published original research papers and review articles in prominent medical journals on the diagnosis and treatment of food allergies. She is Clinical Assistant Professor at UMDNJ where her responsibilities include treating pediatric allergy patients and teaching residents/fellows.

Dr. Narisety enjoys spending time with her husband and children.