Mark Vonnegut, M.D.

Mark Vonnegut, M.D.Primary Care Pediatrician

Dr. Mark Vonnegut grew up on the Cape in the 50’s and 60’s, and did a variety of things including writing, starting a commune in British Columbia, and teaching high school before going onto Harvard Medical School where he graduated in 1979.  After graduation, Dr. Vonnegut completed a pediatric Internship and Residency at Massachusetts General Hospital.  He has practiced pediatrics for over 30 years but doesn’t feel that old.  He has a son in middle school who keeps him on his toes.  “Practicing pediatrics has been a joy and a privilege,” he says.

Dr. Vonnegut published an article in The New England Journal of Medicine “Is Quality Improvement Improving Quality?  A View from the Doctor’s Office,” December 27, 2007 and has published several short pieces on pediatrics and other topics in The Boston Globe and The Patriot Ledger.  He served on the National Institute for Health Consensus Conference on ADHD in November 1999.

Dr. Vonnegut wrote The Eden Express which was first published in 1975 and re-published in 2002.  His new book, Just Like Someone Without Mental Illness Only More So, was published October 5, 2010.

Dr. Vonnegut is not accepting new patients at this time .

Dr. Vonnegut’s Writing & Art

Herbert “Hub” Mathewson, M.D.

Herbert “Hub” Mathewson, M.D.Primary Care Pediatrician

Dr. Hub Mathewson, an old friend of Dr. Vonnegut’s from Cape Cod, joined our practice in the spring of 2006.  Dr. Mathewson practiced for 30 years with The Hyannis Pediatric Group and was the Medical Director of Cape Cod Hospital for 16 years.  Dr. Mathewson works mostly on Fridays and covers some evenings on call.

Colleen Kelly, M.D.

Colleen Kelly, M.D.Primary Care Pediatrician

Dr. Kelly attended The University of Vermont College of Medicine where she also completed her residency.  During residency, Dr. Kelly was a Resident Coordinator of Spectrum Youth and Family Services Health Clinic in Burlington, Vermont where she provided free medical care to homeless and underprivileged children and adolescents. Following residency, Dr. Kelly worked as a primary care pediatrician in Middlebury, VT.   Dr. Kelly and her husband, Dr. Stuart Braun, relocated to the South Shore in the fall of 2004.  Dr. Braun is a Pediatric Orthopaedic Surgeon at The Floating Hospital for Children at Tufts Medical Center. After spending two years at home with her children, Sam and Grace, in 2006 Dr. Kelly decided it was time to return to the job that she loves – primary care pediatrics.  “Taking care of my own children has made me a better pediatrician,” says Dr. Kelly.  When not juggling their work schedules, she and her family love to be outside biking, hiking, kayaking, and skiing.

Dr. Kelly is accepting new patients.

Natalya Davis, M.D.

Natalya Davis, M.D.

Dr. Natalya Davis joined MVPediatrics in 2010, after two years spent at the South Shore Hospital Pediatric Emergency Department where she gained invaluable skills in urgent and emergent care.  She has also practiced primary care pediatrics for years in upstate New York.  Dr. Davis feels at home practicing outpatient pediatrics and forming long-lasting relationships with her patients.  She enjoys working with patients and families to promote breastfeeding, good nutrition, and general health.

Trevor Davis, M.D.

Trevor Davis, M.D.

Dr. Trevor Davis is Board certified in both Pediatrics and Pediatric Rheumatology, with additional clinical expertise in treating Central Pain Conditions.

Clinical Interests:

Dr. Davis’ Rheumatologic expertise includes diagnosis and treatment of Juvenile Idiopathic Arthritis, Systemic Lupus Erythematosus, Mixed Connective Tissue Disease, Juvenile Dermatomyositis, Morphea/ Scleroderma, and the Vasculitides (Wegener’s/GPA, MPA, Churg-Strauss, Henoch-Schonlein Purpura, Takayasu’s Arteritis, etc).

He actively participates in both clinical and basic science research in Pediatric Rheumatology with collaborators at both BIDMC and The Floating Hospital for Children at Tufts Medical Center, where he also holds a Rheumatology Clinic once weekly.

Personal Interests:

Dr. Davis lives on the South Shore with his wife, our very own Dr. Natalya Davis, and their three young children. He is a valuable asset to MV Pediatrics, as his talent and training diversifies our team of doctors and broadens the range of conditions we can treat without referral into Boston.

Barbara Healey, R.N., M.S.N., P.N.P.

Barbara Healey, R.N., M.S.N., P.N.P.Nurse Practitioner

Barbara grew up in this area and has a love for the beauty, history and diversity of Boston.  She decided to become a nurse when she was in high school and attended nursing school at Boston College.  After eight years at MGH including general pediatrics, neonatal and pediatric intensive care and being a clinical educator, she attended Northeastern University and received her Master’s Degree in Nursing.  After passing the National Nurse Practitioner Boards, she was certified as a Pediatric Nurse Practitioner. She worked at Harvard Pilgrim for 14 years in the pediatric urgent care department.  Barbara says, “Dr. Vonnegut was the senior resident of the pediatric service while I was at MGH.  I felt that we shared a formative professional experience and had a similar approach to care.  In June of 2006 I came to MVPediatrics.  I love our personalized practice with its emphasis on individualized care.  It is a privilege and an honor to be a part of MVPediatrics.  I am always available to talk with families about growth and development issues and any health concerns.  I nursed my two children and am committed to supporting breast feeding.  At this point in my professional and personal life, there isn’t much I haven’t heard or seen.  My goal is to empower parents with the knowledge they need to support their child’s health and development and have some fun along the way.”

In addition to working as a nurse practitioner, Barbara teaches pediatric nursing clinical classes at Boston College, Quincy College, and Laboure College.  She has two wonderful children, Austin and Anna.

Shannon Rice, N.P.

Shannon Rice, N.P.

Shannon Rice received her B.S. at Stonehill College and completed her BSN and MSN at Regis College. Before joining MVPediatrics, Shannon worked as a staff nurse on the pediatric unit of Spaulding Rehabilitation Hospital in Boston.  She has also worked as a camp nurse at Franklin Country Day Camp where she treated everything from bumps and bruises to more involved injuries and illnesses.

Debby Kerr, LICSW

Debby Kerr, LICSW

Debby attended the University of Vermont and was a teacher in Vermont and Maine for children with special needs and “normies,” ages 5-20. Debby and her husband built their own home in Maine. They had a market garden and raised pigs, beef, and turkeys before starting a family.  After moving to Boston and settling in with two young children who were cared for by Dr. Vonnegut, Debby worked on a research study for premature babies at Boston Childrens Hospital. She returned to school, and graduated in 1995 with her Masters Degree in Social Work from Boston University. She worked as clinical social worker in Parent Child Health at South Shore Hospital for 17 years. Debby is married and lives happily with her husband and two dogs, Tess and Charlie. Her interests are spending time with family and friends, cooking, reading, practicing yoga, skiing and gardening.

Debby is delighted to join MVPediatrics to continue and expand her opportunities to work with children and families in crisis and in health with a dynamic, committed team.

Sonia Erlich, M.A., M.F.A.

Sonia Erlich, M.A., M.F.A.

Sonia is a Behavioral Health Clinician who is deeply committed to the well being of youth, families, and communities. Her field experience has included wilderness therapy in Utah, case management in Boston, and group leadership in community centers and residential treatment facilities. As a Clinical Therapist, she has provided counseling to individuals, families, couples, and groups. Her therapeutic approach draws upon mind-body techniques, creative expression and trauma sensitivity. She has had more than a decade of working with people of various ages, identities, cultures, and life circumstances.
Sonia earned her M.A. in Mental Health Counseling and Behavioral Medicine and her M.F.A. in Creative Writing. She is glad to contribute to the holistic care offered at MVPediatrics. She also works part-time at a health center in Dorchester.
Sonia is proficient in Spanish.
Kristen Cowles, LICSW

Kristen Cowles, LICSW

Kristen Cowles, LICSW, comes to MVPediatrics with over 10 years experience working in maternity, pediatrics and the NICU at South Shore Hospital. She has also worked as a clinician in the Boston Public School System and an adolescent psychiatric day program. Her areas of expertise include adolescent health, depression, anxiety, school and family adjustment issues. Kristen earned her BA in Psychology and her MSW from Boston College. She is married with two teenagers. Kristen enjoys yoga, running, and reading. She is in the office every Tuesday.

Liz Disterhoft, LICSW

Liz Disterhoft, LICSW

Liz attended Bard College in New York and worked in New York City, designing costumes and selling art. She also spent time teaching art classes to children and teens in Boston and Mexico. She received her Masters in Social Work at Simmons College and has worked in community health centers in Boston for the last eight years doing therapy with children, families and adults who have immigrated to the United States.  “I use a heartfelt and creative approach in my work,” utilizing a combination of mindfulness techniques, trauma informed methods, and art.

Liz also practices Reiki, a hands-on system of relaxation that originated in Japan. She is married and has a young daughter. Liz enjoys painting, organic gardening, bird watching and hiking.

Services provided in both English and Spanish.