George P. Dempsey M.D.

Medical Director, East Hampton Family Medicine

Medical Education:

  • 1985-1989; Mayo Medical School, M.D. PhD Program
  • 1989; Doctor of Medicine

Residency and Fellowship:

  • 1989-1992; Department of Family Medicine, State University of New York at Stony Brook
  • 1992-1993; Department of Family Medicine, State University of New York at Stony Brook

Certification: 2016 Re-certified, American Academy of Family Physicians Board. Fellow, American Academy of Family Physicians

Hospital Privileges: 2002-Present; Southampton Hospital, Southampton, NY

Languages: English, French, Spanish

Maryellen V. Benito, D.O.


Medical Education:

  • 2005-2010 New York College of Osteopathic Medicine (NYCOM); Doctor of Osteopathy
  • 2007-2008 New York University School of Medicine; Department of Pathology; Post-Sophomore Fellow

Residency: 2010-2013 Southampton Hospital; Family Medicine


  • 2001-2003 The CUNY Research Foundation; Immunology & Microbiology Department CCNY
  • 2003-2004 The United States Army of Medical Research Institute of Chemical Defense (USAMRICD)
  • 2004-2005 The Institute of Cancer Genetics at Columbia University College of Physicians and Surgeons

Certifications: BLS, ACLS, PALS, Certified in the use of Suboxone for opioid dependency, Global Health Board Certified in Family Medicine/Osteopathic Manipulative Treatment

Professional Memberships: AAFP, ACOFP, AOA, MRC

Richard M. Nass, M.D.

ENT (Ear Nose Throat)

To schedule an appointment with Dr. Nass please call his office at (212)734-4515.


  • NYU School of Medicine and completed both general surgery internship and otolaryngology (ENT)
  • Residency at the NYU-Bellevue-Manhattan VA Hospital System
  • Diplomate of the American Academy of Otolaryngology/Head and Neck Surgery
  • Fellow of the American College of Surgeons, a member of many professional organizations, and an Honorary Surgeon of the New York City Police Department
  • Clinical Associate Professor at the NYU School of Medicine

Dr. Nass is an attending physician at the NYU-Langone Hospital, Lenox Hill Hospital/Manhattan Eye and Ear Hospital, Bellevue Hospital Center, and the Manhatttan VA Hospital in New York City and the Southampton Hospital on Long Island.

He maintains private practices in New York City and East Hampton caring for patients of all ages with all types of ear, nose, and throat problems.

Erin McKay, R.N., ANP

Medical Education:

  • 2001-2003; SUNY Stony Brook, Bachelor of Science Registered Nurse
  • 2005-2008; SUNY Stony Brook; Master of Science Adult Nurse Practitioner

Certifications: ACLS, PALS, and Basic Life Support, American Heart Association

Registered Nurse: NY, CA, NJ, & FL, Adult NP: NY

Professional Memberships: American Academy of Nurse Practitioners, NY State Nurse Association

Clinical Experience:

  • Stony Brook University Hospital Cardio-Thoracic Surgery Pre-Surgical testing, Cardio-Thoracic Surgery
  • Southampton Indian Reservation; Primary Care Medicine
  • North Suffolk Medical Care, P.C.; Internal Medicine
  • Stony Brook University Hospital; Invasive Cardiology

Linda A. Faszczewski, RN,

Medical Education:

  • 1988  Stony Brook University.  Bachelor of Science, Nursing, Summa Cum Laude
  • 1990 Stony Brook University.  Masters of Science, Nursing
  • 1990 Stony Brook University.  Adult Nurse Practitioner  Summa Cum Laude
  • 1998 Stony Brook University.  Post Masters, Pediatric Nurse Practitioner.

Clinical Experience:

  • 2000-2012  Mel B. K MD  Adult and Chronic Care
  • 1998 – 2000 Mattituck Family Medicine
  • 1998 – 2012   Family Care Medical Center
  • 1987 – 1998    Lloyd Simon, MD  Adult and Geriatrics
  • 1979-1985     Registered Nurse.  Eastern Long Island Hospital, Intensive Care Unit, Emergency Department

Professional Memberships:

  • Sigma Theta Tau, International Honor Society of Nursing
  • Regents of the Nightingale Society
  • ANCC American Nursing Credentialing Center

Gerald T. Simons

Medical Education:

  • 1993: BS, SUNY @ Stony Brook, Cardio respiratory Sciences Program
  • 1995: Certificate of Completion, Cornell University Medical College Physician Assistant Program
  • 1998: Certificate of Completion in Hyperbaric Medicine, Palmetto-Richland Memorial Hospital
  • 2003: Masters in Physician Assistant Science, University of Nebraska PA Program


  • National Commission on Certification of PA’s; Board Certified Physician Assistant with recognition
  • National Commission on Certification of Physician Assistant Surgical Recognition Exam
  • National Board for Respiratory Care, Respiratory Therapy, Certified; Pulmonary Function, Certified

Professional Memberships: American Association of Surgical PA’s, New York State Society of Physician Assistants, American Academy of Physician Assistants

Matthew Grady

Certified Alcohol and Substance Abuse Counseling

Matt Grady is in our office Monday-Friday 9am-5pm. To schedule an appointment with Matt Grady, please call our office at 631-329-8430

Education: 1992: Master’s Degree in Social Work @ SUNY Stony Brook

Certifications: Credentialed Alcohol and Substance Abuse Counseling (CASAC)

Clinical Experience:

  • 1992-2000: Executive Director of the East End AIDS Wellness Project, Counselor, Grant Writer for numerous East End not for profit services
  • 1996: Seafield Treatment Center
  • 1999: Domestic Abuse Services at the Justice Court in Southampton, NY
  • 2000: East Hampton Day Care Center, developed Project MOST for the East Hampton School District
  • 2009-present Dr. Dempsey’s Office, developed a Medically Assisted Drug Treatment Program and provides individual counseling

Ann M. Silver, MS

Registered Dietician & Certified Diabetes Educator

To schedule an appointment with Ann Silver please call her office at (631)324-1953. Ann is in our office on Thursdays, but we do not schedule appointments for her.


  • 1978: Coordinated Undergraduate Program @ State University College of Buffalo
  • 1984: Masters of Science in Clinical Nutrition, New York University


  • Registered Dietician,
  • Member of ADA,
  • Nutrition Entrepreneurs DPG, DCE, SCAN,
  • Weight Management,
  • Dieticians in Integrative and Functional Medicine and Vegetarian Nutrition DPGs,
  • Long Island Dietetic Association (LIDA),
  • Association’s Award for Excellence in Consultation and Business Practice in 2003
  • Certified Diabetes Counselor

Clinical Experience:

  • Mount Sinai Medical Center,
  • North Shore University Medical Center,
  • Private Practice specializing in Diabetes,
  • Eating Disorders & Weight Management,
  • Adjunct Assistant Professor in the Diet Technician Program @ Suffolk County Community College in Riverhead,
  • Supervises students’ clinical rotations,
  • Co-author of Making Nutrition Your Business:Private Practice and Beyond.

Diane J. Schade, CHPN

Certified Hospice and Palliative Nurse

Medical Education:

  • 2015 George Washington University Palliative Care Nurse Practitioner Certificate
  • Graduate School of Nursing Palliative Care Certificate Program
  • 2013 Master of Science, Nursing The George Washington University
    Graduate School of Nursing Adult Geriatric Primary Care Nurse Practitioner Program
  • 2005 Bachelor of Science, Nursing Long Island University, New York School of Nursing
    Magna Cum Laude

Clinical Experience :

  • 4/12-2016 Palliative Care Nurse Shene Nursing Service Sag Harbor, New York
  • 11/09-6/11 - Clinical Coordinator Palliative Care Service Southampton Hospital
    Southampton, New York
  • 1/08-11/09 Staff Nurse, Southampton Hospital Southampton, New York
  • 1/06-6/07 Community Hospice Nurse Hospice of New York Long Island City, New York

Professional Organizations:

  • Sigma Theta Tau International Honor Society
  • Hospice and Palliative Nurses Association
  • Member, American Association of Colleges of Nurses
  • Member, Alpha Chi National College Honor Society