Our Medical Staff:


Board Certified in Family Medicine


1976-1979; University of California, San Diego; General Studies/French Literature

1982-1985; University of California, Los Angeles; B.S., Psychobiology, Cum Laude, Graduate Studies in Neurosciences

1985-1989; Mayo Medical School, M.D. PhD Program

1989; Doctor of Medicine

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

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

Certification: 2007; Recertified, American Academy of Family Physicians Board. Fellow, American Academy of Family Physicians       

Licensure:  New York – 185170; Hawaii – MD8357; California – G85568

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

Languages:  French, Spanish 




1996-1999;  Suffolk Community College; Associates of Art

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

Licensure:  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 




1992     EMT Program, Suffolk County Community College

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

Certifications: 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
  Physician Assistant License-005295
Professional Memberships:
American Association of Surgical PA’s, New York State Society of Physician Assistants, American Academy of Physician Assistants


MATTHEW GRADY, LCSW, CASAC  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 @ 631-329-8430 


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, RD, CDE, CDN  Registered Dietician & Certified Diabetes Educator 


To schedule an appointment with Ann Silver please call her office @ (631)324-1953.

 Ann Silver is 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

Certifications: 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.


RICHARD NASS, M.D. - ENT (Ear Nose Throat)

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

Please Visit His Website By Clicking Here


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

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

 He 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.



Stephen Neveroski, P.A.

Maryellen Benito, D.O.

Maury Greenberg, M.D.



Administrative Staff:

Douglas Kronenberg, Practice Manager, Billing Manager

Lauren Dempsey, R.N., Billing Manager, Operations Manager

Melissa Gibbons, Billing, Pre Certs, Referrals

Asha Bhandari, Records Manager

Elizabeth Goodale, Receptionist

Missy Alison, Receptionist

Dougie Kronenberg, Receptionist

Carlos Allende, Receptionist


Clinical Staff:

Bonnie Wright R.N.

Beth Bilsley, N.P.

Stevie Ayala, Medical Assistant

Lisa Hopkins, Medical Assistant

Adriana Guichay, Medical Assistant, Medication Per Certs

Sean Baxter, Medical Assistant

Christin Fleming, Ultrasound Technician, Medical Assistant