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Dr. Thomas J. Cammilleri


Dr. Cammilleri opened the doors to Greater Hampstead Family Medicine in 1993, with the sole intention of offering superior patient-centered care to individuals of all ages in sickness and in health. He provides community support as the Hampstead School District Physician, is an active member of the American Academy of Family Physicians, N.H. Academy of Family Physicians and the American Osteopathic Association. Dr. Cammilleri’s caring, professional approach to dealing with his patients has made Greater Hampstead Family Medicine the success it is today.


Dr. Cammilleri has been a member of the US Military since 1986. He is currently a Captain in the US Army Reserve Medical Corps, and has also been in the Air National Guard and USAF.


Dr. Cammilleri enjoys many outdoor activities, including sea kayaking and skiing. He also enjoys gardening, Boston sports teams, and spending time with family and friends.

Kimberly Brown, PA-C, Physician Assistant


Kim is originally from Atkinson, NH and joined GHFM in March of 2014. Kim received her bachelor's degree in exercise science from the University of New Hampshire in 2010. After completing her undergraduate studies, Kim worked as an emergency room attendant at a level 1 trauma center. She then obtained her master's degree in physician assistant studies from Massachusetts College of Health Sciences in December 2013. Kim is a member of the American Academy of Physician Assistants and is BLS and ACLS certified. Kim has a unique background in exercise physiology and is passionate about educating and motivating her patients to live a more active lifestyle. Kim enjoys working with patients of all ages and is enthusiastic about providing quality healthcare and giving back to the community in which she was raised.


In her free time, Kim enjoys traveling, exercising, going to the beach and taking walks with her yellow lab, Penny.

Sarah Vandeventer PA-C, Physician Assistant


Sarah joined GHFMPC in March of 2015.  Sarah has been a practicing PA-C for over 2 years having had her first experience in the Portsmouth area.  She received her Bachelor’s degree from the University of New Hampshire. She went on to obtain her Masters degree in Physician Assistance Studies from Franklin Pierce University in February 2013.  Sarah has a background in Urgent care as well as Internal Medicine.

Sarah loves spending her free time with her family, rooting for the Red Sox’s and running with her dog Cooper. GHFM is pleased to have such a warm and caring person added to its professional staff!



kristen norton, pa-c

Kristen Norton, PA-C


Kristen is originally from Sandown, NH and joined GHFM in March of 2017. After receiving her bachelor's degree in biology from Franklin Pierce University in 2012, she went on to work as an LNA on a Dementia/Alzheimer's unit. Kristen then obtained her master's degree in Physician Assistant Studies from the Massachusetts College of Pharmacy and Health Sciences in December, 2016. Kristen is BLS and ACLS certified and a member of the American Academy of Physician Assistants. In her free time Kristen enjoys hiking, snowboarding and traveling.



(603) 329-5222

207 Stage Road

Hampstead, NH 03841

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Greater Hampstead Family Medicine P.C.