(631) 758-7003

(631) 758-7003 FAX (833) 739-0577

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Meet The Providers

Michael J. DiGiovanna D.O., CPI

Dr. Michael J. DiGiovanna received his undergraduate Bachelor of Science degree from the New York Institute of Technology in Old Westbury, NY in 1982, graduating summa cum laude and was his class Valedictorian.  Dr. Mike graduated the New York College of Osteopathic Medicine in Old Westbury, NY in 1987, after having completed an undergraduate fellowship specializing in Osteopathic Manipulative Medicine under the mentorship of Stanley Schiowitz, D.O. He completed his rotating internship at Coney Hospital in Brooklyn, NY in 1988. He has been board-certified in Family Practice since 1995. He is a Certified Physician Investigator in clinical research and has been the Principal Investigator in over 350 clinical trials. He is currently Senior Medical Director of Research & Development at ALTuCELL, Inc., a biopharmaceutical company seeking a cure for Type 1 diabetes mellitus and several neurodegenerative conditions.  He has been the Chairman of the Family Practice Departments at several institutions, sat on the board of directors for the NY State Osteopathic Medical Society and was the Osteopathic representative to the NY State Medicare Carriers Advisory Committee for many years.  He is the author of many publications, including “An Osteopathic Approach to Diagnosis and Treatment.”

Neelma Khan, M.D.

Neelma Kan, MD is a Board Certified Family Medicine Physician.

Dr. Khan received her undergraduate degree in Biology from SUNY Buffalo State College. She went on to pursue her medical degree at UNIBE (Universidad Iberoamericana) in the Dominican Republic. She then completed her Family Medicine Residency at Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, where she put her passion for health and wellness into practice.

Dr. Khan is fluent in English, Spanish, Panjabi, and Urdu.

Christina L. Errichiello, PA-C

Christina L. Errichiello, MPAS, PA-C, is an NCCPA board-certified Physician Assistant who specializes in Family Medicine. Christina completed her undergraduate degree at Fordham University in the Bronx, NY in 2015. Christina then earned her Master of Science in Physician Assistant Studies at Touro College in 2018. She completed rotations in various primary care offices throughout her graduate program during which she decided to pursue a career as a Family Medicine PA. Christina joined the team at DiGiovanna Family Health and Wellness Center in April 2018. 

Bernard Stark, M.D. – Gastroenterology

Bernard Stark, MD is a practicing Gastroenterologist in Massapequa, NY. Dr. Stark graduated from New York University School of Medicine in 1977 and has been in practice for 40 years. He completed a residency at New York University. Dr. Stark also specializes in Internal Medicine. He currently practices at the DiGiovanna Family Health & Wellness Center and is affiliated with Franklin Hospital Northwell Health, Huntington Hospital Northwell Health and Long Island Jewish Medical Center Northwell Health. Dr. Stark accepts multiple insurance plans including Aetna, Medicare and Humana. Dr. Stark is board certified in Internal Medicine. 

Ari Bernstein, M.D.

Dr. Bernstein is a board-certified internal medicine physician at NY Health.

He is also a personal development consultant, investor, and best-selling author. In addition, he has experience in emergency medicine, primary care, urgent care, sports medicine, pain management, nutrition, health, and wellness.

Dr. Bernstein received his medical degree from St. George’s University School of Medicine in Grenada, West Indies. He completed his residency at New York-Presbyterian Queens.

Dr. Bernstein is an author of “The Success Formula” and has been featured in many publications, including Yahoo Finance, Market Watch, CBS, NBC, FOX, Yahoo Money, and The Wall Street Journal. He is a member of the medical advisory board for Fruit Street, the only CDC-recognized and endorsed virtual diabetes prevention program that helps people lose excess weight and decrease their risk for type 2 diabetes. Ari is a full-time clinical advisor for CovidMD, now known as fruitstreet clinic, a telehealth company built in response to the pandemic. He is an investor and former team physician of the New Amsterdam FC professional soccer team. In addition, he is an executive producer with Emmy award winner Nick Nanton on the documentary and life story of Dick Vitale.


1061 North Broadway, Second Floor
North Massapequa, New York 11758 - 1853

(631) 758-7003



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