Sussex County Medical Associates

Our Physicians
May Abdo-Matkiwsky, DO May D. Abdo-Matkiwsky, DO, joined Sussex County Medical Associates in 2006 as a Hematologist/Oncologist.  She is a graduate of the New York College of Osteopathic Medicine of NY.  In addition to a three-year Internal Medicine Residency at UMDNJ, she completed a three-year fellowship in Hematology/Medical Oncology at Beth Israel Medical Center in NY.  Dr. Abdo-Matkiwsky is Board Certified in Internal Medicine and Hematology/Oncology.

Dr. Nick DeBitetto

Nick P. DeBitetto, DO has been practicing medicine in our community since 1992.  He graduated from the NY College of Osteopathic Medicine, Old Westbury, NY.  He completed his training at The Coney Island Hospital, Brooklyn, NY and Morristown Memorial Hospital, Morristown, NJ.  Dr. DeBitetto is Board Certified in Internal Medicine and has experience in diabetic care utilizing all methods of diabetes management. "Pills to Pumps".   


Dr. Anthony Delsardo Anthony C. Delsardo, MD has been in private practice in this community since 1978.  He is a graduate of the Universidad Autonoma de Guadalajara, Mexico.  He completed his training at the United Hospitals of Newark, Newark, NJ.    Dr. Delsardo is Board Certified in Internal Medicine. 

Dr. Eric Hansen Eric Hansen, DO, joined Sussex County Medical Associates in 2000.   He is a graduate of the University of Medicine and Dentistry, Stratford, NJ.  He completed his training at UMDNJ at John F. Kennedy Hospital, Stratford, NJ and Overlook Hospital, Summit, NJ.  Dr. Hansen is Board Certified in Internal Medicine.

Dr. Bohdan Halibey

Bohdan E. Halibey, MD has been in private practice in this community since 1985.  He is a graduate of the Universidad Autonoma de Guadalajara, Mexico.  He completed his training at the College of Medicine and Dentistry of NJ in Internal Medicine and at the Newark Beth Israel Medical Center, Newark, NJ, Department of Medical Oncology.  His practice consists of Medical Oncology and Internal Medicine. 

Jennifer Horn DO Jennifer E. Horn, DO joined this practice in January of 2009 after relocating from NC where she was Medical Director of a family care facility.   She is a graduate of UMDNJ School of Osteopathic Medicine and completed her training there in Osteopathic Family Medicine.  Dr. Horn also served as a Major in the USAF where she provided medical care to a large patient panel at Pope Air Force Base.  Dr. Horn is Board Certified in Family Medicine.

Gary Levat DPM

Gary S. Levat, DPM joined this practice in June of 2009.  He is a graduate of Ohio College of Podiatric Medicine and completed his training at Broad Street Hospital & Medical Center in Philadelphia, PA.  He has provided podiatry services in  the Sussex County area since 1985. 


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Daniel W. Matkiwsky, DO  joined this practice in January of 2010.  He is a graduate of The Philadelphia College of Osteopathic Medicine and completed his training at Union Hospital, Union, NJ.   Dr. Matkiwsky is Board Certified in Family Practice and Osteopathic Manipulative Treatment.


Dr. Samir Shah

Samir D. Shah, M.D.  joined this practice December 2001.  He is a graduate of Gujarat University in India, and he completed his medical training at the Jacobi Medical Center Bronx and Montefiore Medical Center at the Albert Einstein College of Medicine, Bronx, NY.   He is Board Certified in Internal Medicine, Pulmonary Medicine and Critical Care Medicine with special training in the treatment of sleep disorders.

Dr. Stas

Sameer Stas, MD joined Sussex County Medical Associates in 2008 as an Endocrinologist.  He graduated from Damascus University Medical School in Syria and completed his training at SUNY Downstate Medical Center in Brooklyn, NY and University of Missouri in Columbia, MO.  Dr. Stas is Board Certified in Internal Medicine and Endocrinology.

Dr. Richard Vaz

Richard Vaz, DO joined Sussex County Medical Associates in 1998.  He graduated from the University of Medicine and Dentistry, Stratford, NJ and completed his training at UMDNJ at John F. Kennedy Hospital, Stratford, NJ and Overlook Hospital, Summit, NJ.  Dr. Vaz is Board Certified in Internal Medicine.

Dr. J. Roberto Vergara J. Roberto Vergara, MD, has been in medical practice in Pennsylvania since 1987.  He services patients in our Milford, PA office.  He graduated from the University of the Philippines and completed his training at the Philippine General Hospital, Brookdale Medical Center, Brooklyn, NY, St. Mary’s Hospital, Rochester, NY and the Muhlenberg Regional Medical Center in Plainfield, NY.  Dr. Vergara is Board Certified in Internal Medicine.
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