Overview: Enterprise: New hires, accolades for Upper Valley health care providers
Dartmouth Health, Gifford Health and other health care providers have announced several leadership changes, promotions, and new employees across various organizations.
Leadership changes, promotions & new employees
Tammy L. Tarsa, who has served as interim CEO of Dartmouth Health’s Visiting Nurse and Hospice for Vermont and New Hampshire (VNH) since March, was appointed to the permanent role in July. She was previously as chief clinical operations officer at the White River Junction-based organization.
Gifford Health Care has named Tayo S. Kirchhof the new senior director of development and community engagement at the Randolph-based nonprofit organization. She previously served as director of development for both Mt. Ascutney Hospital and Health Center in Windsor, and Valley Regional Hospital in Claremont. Kirchhof replaces Ashley Lincoln, vice president of development and public relations, who is being promoted to a new executive role at Gifford.
Heather Impey is the new executive director of Menig Nursing Home, which is run by Gifford Health Care in Randolph. She previously served as administrator of Hanover Terrace Health & Rehabilitation Center in Hanover.
Moriah Tidwell, who has served as interim chief nursing officer at Mt. Ascutney Hospital and Health Center in Windsor since January, was appointed to the permanent role in July. She was previously employed as the unit nurse manager of Mount Ascutney’s Emergency Department. Prior to joining Mt. Ascutney in 2024, Tidwell held a variety of leadership roles at Dartmouth Hitchcock Medical Center in Lebanon.
Dr. Garrett J. Bomba is New London Hospital‘s new chief medical officer. He was previously employed as chief physician executive and regional medical director of Mass General Brigham Medical Group North.
Dr. Sarah H. Finn, who serves as medical director for the Dartmouth Hitchcock Clinics Weight Center in Manchester and Nashua, has also been appointed the section chief of obesity medicine of its Walter and Carole Young Center for Digestive Health at Dartmouth Hitchcock Medical Center in Lebanon.
Ada D. Demir is the new supply chain vice president at Dartmouth Health. She was previously employed as vice president of procurement and supply chain operations at Montefiore Health System in Bronx, NY.
Dartmouth Health hired the following providers in July, August and September:
Alice Peck Day Memorial Hospital in Lebanon: Alexandra D. Tomasek, hospital medicine.
Alice Peck Day Memorial Hospital in Lebanon and Dartmouth Hitchcock Medical Center in Lebanon: Dr. Nicholas C. Cochran-Caggiano, emergency medicine; Dr. Colton M. Conrad, emergency medicine; Dr. Harrison R. Glicklich, hospital medicine; Dr. Colton T. Hemphill, hospital medicine; and Dr. Katherine L. Mistretta, orthopaedic surgery.
Alice Peck Day Memorial Hospital in Lebanon, Dartmouth Hitchcock Medical Center in Lebanon and New London Hospital: Dr. Natalie T. Bonthius, emergency medicine.
Dartmouth Cancer Center Lebanon: Dr. Christine C. Alewine, medical oncology; and Dr. Hima B. Lingam, medical oncology.
Dartmouth Hitchcock Medical Center in Lebanon: Dr. Serena H. Chao, geriatric medicine; Dr. Eric J. Epstein, endocrinology; Dr. Jose R. Rodriguez, cardiac surgery; Amelia H. Salsgiver, anesthesiology; Jessica M. Schramm, neurocritical care; Lisa D. Jobin, adult outpatient and specialty psychiatry; Christina M. Minasian Hunt, psychiatry; Dr. Joseph K. Potthast, neuroradiology; Lisa D. Tallman, cardiovascular medicine; Dr. Valerie J. Valant, obstetrics and gynecology; Julianna Ward, psychiatry; Dr. Muhammad Azeem Arshad, radiology; Dr. Brian D. Barnacle, radiology; Steven H. Cherry, neurology; Alison L. Golden, palliative medicine; Dr. Akanksha Gulati, neurology; Dr. Yansheng Hao, anatomic pathology; Ashley L. Kontra, radiology; Stephanie M. Leon, radiology; Madison L. Lux, cardiovascular medicine; Isabella R. Newbury-Chaet, neurology; Dr. Karen C. Patterson, telemedicine; Jennifer A. Popies, palliative medicine; Dr. Thomas M. Schwedhelm, radiology; Dr. Johnathan T. Seligman, anesthesiology; Dr. Ashleigh N. Shenton, internal medicine; Dr. Shravan Sivakumar, neurology; Dr. Alexander W. Thomas, cardiology; Dr. Sharon M. Thomson, general internal medicine; Dr. Barrett B. Torre, orthopaedics; Meredith F. Welsh, endocrinology; and Dr. Michael J. Wright, internal medicine.
Dartmouth Hitchcock Medical Center in Lebanon and New London Hospital: Alison Z. Dyszel, neurosurgery.
Valley Regional Hospital in Claremont: Michael Mitchell-Beam, family practice; Jenny Stillman, psychiatry; and Dr. Valerie J. Valant, gynecology.
Honors and accomplishments
The Vermont Department of Health recognized the following Upper Valley primary care practices for their high vaccination rates:
Gold Level Child (90% coverage for Combined Series, DTaP, Polio, MMR, Hib, Hepatitis B, Varicella and Pneumococcal): Gifford Pediatrics, Randolph; Mount Ascutney Physician Practices, Windsor; South Royalton Health Center, South Royalton; and Upper Valley Pediatrics, Thetford.
Silver Level Child (90% coverage for DTaP, Polio, MMR, Hib, Hepatitis B, Varicella and Pneumococcal): Upper Valley Pediatrics, Bradford, Vt.
Gold Level Teen (ages 13 to 15; 80% coverage for Tdap, Meningococcal and HPV): Gifford Pediatrics, Randolph; South Royalton Health Center, South Royalton; Upper Valley Pediatrics, Bradford, Vt.; and Upper Valley Pediatrics, Thetford.
Silver Level Teen (ages 13 to 15; 70% coverage for Tdap, Meningococcal and HPV ): Little Rivers Health Care, Bradford, Vt.; and White River Family Practice, White River Junction.
Gold Level Teen (ages 16 to 17; 80% coverage for Tdap, Meningococcal and HPV) South Royalton Health Center, South Royalton.
Silver Level Teen (ages 16 to 17; 80% coverage for Tdap, Meningococcal and HPV and 60% coverage for HPV): Gifford Pediatrics, Randolph; Mount Ascutney Physician Practices, Windsor; Upper Valley Pediatrics, Bradford, Vt.; and Upper Valley Pediatrics, Thetford; and White River Family Practice, White River Junction.
Gold Level Adult (Top 5% coverage for Tdap [dose within 10 years], Hep B [UTD ages 19 to 59], HPV [UTD ages 19 to 26] Pneumococcal [UTD ages 65+] and Zoster [UTD ages 50+]): South Royalton Health Center, South Royalton.
Silver Level Adult (Top 10% coverage for Tdap [dose within 10 years], Hep B [UTD ages 1 to 59], HPV [UTD ages 19 to 26] Pneumococcal [UTD ages 65+] and Zoster [UTD ages 50+]): Ottauquechee Health Center, Woodstock.
Dartmouth Cancer Center Lebanon was redesignated as a Comprehensive Cancer Center by the National Cancer Institute, which is part of the National Institutes of Health. Dartmouth Cancer Center earned a $13 million grant as part of its redesignation, which it is required to reapply for every five years.
The American Heart Association certified Dartmouth Hitchcock Medical Center and Dartmouth Hitchcock Clinics in Lebanon as Comprehensive Hypertension Centers in July.
Dartmouth Health’s Visiting Nurse and Hospice for Vermont and New Hampshire (VNH) in White River Junction became nationally accredited by the Accreditation Commission for Health Care, a nonprofit organization focused on quality and safety, in July.
The John A. Hartford Foundation and the Institute for Healthcare Improvement, in partnership with the American Hospital Association and the Catholic Health Association of the United States, has honored Dartmouth Health’s Alice Peck Day Memorial Hospital in Lebanon with an Age-Friendly Health System designation.
In July, Dartmouth Health joined the National Disaster Medical System (NDMS) Definitive Care Program, a collaborative effort between the Department of Health and Human Services, Veterans Affairs and the Department of Defense which “leverages private healthcare capacity to provide care for civilian and military patients who require additional or complex care unavailable within an area affected by disasters, public health emergencies, repatriation events, or military contingencies.”
Dartmouth Hitchcock Medical Center in Lebanon and Valley Regional Hospital in Claremont earned four star quality ratings (out of five stars) from the Centers for Medicare & Medicaid Services (CMS).
Trade publication U.S. News & World Report has named Dartmouth Hitchcock Medical Center in Lebanon to its list 2025-2026 list of best hospitals. DHMC was also named ranked no. 1 out of all New Hampshire hospitals and best regional hospital for community access.
Dr. Susan Mooney, CEO and president of Alice Peck Day Memorial Hospital in Lebanon, was named Becker’s Hospital Review’s annual ranking of rural hospital and health system presidents and CEOs to know.
Dr. Anna N. Miller, Dartmouth Hitchcock orthopedics department chair and professor of surgery at Geisel School of Medicine at Dartmouth, graduated from Drexel University College of Medicine’s Executive Leadership in Academic Medicine program this summer.
Dr. Teresa D. Malcolm, vice president of impact and belonging at Dartmouth Health, and Dr. Christine T. Finn, psychiatry department medical director at Dartmouth Health, and psychiatry education vice chair and associate professor of psychiatry at Geisel School of Medicine at Dartmouth, graduated from Drexel University College of Medicine’s Executive Leadership in Healthcare (ELH) program this summer.
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