Hampstead Hospital & Residential Treatment Facility: Medical Staff

Our highly qualified and experienced Board-Certified Medical Staff includes Child & Adolescent Psychiatrists, Adult Psychiatrists, Clinical Psychologists, Family Medicine Physicians, Psychiatric Nurse Practitioners, and Physician Assistants.

Each patient is assigned to an attending member of our psychiatry staff at the time of admission. Routine medical assessment and consultation are provided to each patient by our family practice physician team. Additional consultation by other medical specialties is provided to patients on an individual basis.

Our Medical Staff work as both integral members and leaders of our clinical program teams to develop the specialized treatment plan that meets each patient's needs.

 

Members of our Medical Staff include:

Psychiatry

Malcolm Beaudett, MD - Psychiatrist

  • 1983 MD - SUNY Downstate Medical Center, Brooklyn, NY
  • Residency in Psychiatry - Dartmouth/Mary Hitchcock Hospital, Lebanon, NH
  • Board Certified - Psychiatry

Kenneth Brown, MD - Child & Adolescent Psychiatrist

  • 1991 MD - Tulane University School of Medicine, New Orleans, LA
  • Residency in Psychiatry - Medical University of South Carolina, Charleston, SC
  • Fellowship in Child & Adolescent Psychiatry - University of Miami, Jackson Memorial Hospital, Miami, FL
  • Board Certified - Psychiatry and Child & Adolescent Psychiatry

Reid Gourley, APRN - Nurse Practitioner

  • 2023 MSN - Psychiatric/Mental Health NP - Rivier University, Nashua, NH
  • Board Certified - Advanced Practice Registered Nurse, Psychiatric/Mental Health Nurse Practitioner 

Patrick Hattan, MD - Chief Medical Officer - Psychiatrist

  • 2012 MD - Dartmouth Medical School, Hanover, NH  
  • Residency in Adult Psychiatry - Cambridge Health Alliance/Harvard Medical School, Cambridge, MA
  • Board Certified - Psychiatry

Stacey Millina, MD - Child & Adolescent Psychiatrist

  • 2008 MD - Mercer University School of Medicine, Macon, GA
  • Residency in Psychiatry - Dartmouth Hitchcock Medical Center, Lebanon, NH
  • Fellowship in Child & Adolescent Psychiatry - Dartmouth Hitchcock Medical Center, Lebanon, NH
  • Board Certified - Psychiatry and Child & Adolescent Psychiatry

Laura Kelliher, APRN - Nurse Practitioner

  • 2015 MSN - Pediatric Primary Care NP - Marquette University, Milwaukee, WI
  • Board Certified - Advanced Practice Registered Nurse, Pediatrics and Psychiatric/Mental Health Nurse Practitioner 

Lionel Pereira MD - Child & Adolescent Psychiatrist

  • 2008 MBBS Lokmanya Tilak Municipal Medical College and General Hospital Mumbai, India
  • Residency in Psychiatry - St. Elizabeth’s Medical Center, Affiliate of Tuft’s University Medical Center, Boston, USA
  • Fellowship in Child & Adolescent Psychiatry - SUNY, Downstate University Medical Center, Brooklyn, NY
  • Board Certified - Psychiatry and Child & Adolescent Psychiatry

Samantha Swetter, MD - Chief Medical Officer - Psychiatrist

  • 2014 MD - Yeshiva University - Albert Einstein College of Medicine, Bronx, NY
  • Residency in Psychiatry - The Mount Sinai Hospital, New York, NY
  • Board Certified - Psychiatry

Susan Vonderheide, APRN - Nurse Practitioner

  • 1985 PhD - Doctor of Philosophy, Clinical Psychology, University of Connecticut, Storrs, CT
  • 2016 MS - Psychopharmacology - Massachusetts School of Professional Psychology, Newton, MA
  • 2014 MSN - Psychiatric/Mental Health NP - Rivier University, Nashua, NH
  • Board Certified - Advanced Practice Registered Nurse, Psychiatric/Mental Health Nurse Practitioner 
Medical

John Thomas, MD - Family Practice/Medicine

  • 1997 MD - University of Wisconsin - Madison School of Medicine, Madison, WI
  • Internship in Family Medicine - St. Mary’s Hospital, Madison, WI
  • Residency in Family Medicine - Good Samaritan Hospital - Lebanon, Pennsylvania

Erik Shessler, MD - Pediatrics

  • 2005 MD - McGill University School of Medicine, Montreal, QC, Canada
  • Residency in Pediatrics - Children’s Hospital at Dartmouth, Lebanon, NH
  • Board Certified - Pediatrics

Tara Conroy, PA - Physician Assistant

  • 2013 MS in Physician's Assistant Studies - Massachusetts College of Pharmacy and Health Science University, Manchester, NH
  • Board Certified - Physician Assistant

Vonda Haas-Rueda, PA - Physician Assistant

  • 2000 Degree in Physician's Assistant Studies - Witchita State University, Witchita, KS
  • Board Certified - Physician Assistant

Joseph Mangum, PA - Physician Assistant

  • 2009 MS in Physician's Assistant Studies - Massachusetts College of Pharmacy and Health Science University, Manchester, NH
  • Board Certified - Physician Assistant

Iris Zayin Sullivan, PA - Physician Assistant

  • 2017 MS in Physician's Assistant Studies - Massachusetts College of Pharmacy and Health Science University, Manchester, NH
  • Board Certified - Physician Assistant

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