Holyoke Primary Care Team
Meet Our Holyoke Team of Primary Care Physicians and Providers:
Dr. Kenneth Aquilino attended medical school at the University of Santo Tomas in Manila, Philippines. He then completed a residency with Cabrini Medical Center in New York. He is a member of the American College of Physicians. Dr. Aquilino has been on the medical staff at Holyoke Medical Center since 2004.
Lainer, MD
Dr. Lainer attended medical school at the University of Massachusetts Medical School in Worcester, Mass. He then completed a residency with St. Vincent’s Hospital, also in Worcester, Mass. He is a member of the American College of Physicians. Dr. Lainer has been on the medical staff at Holyoke Medical Center since 1994.
Dr. Po attended medical school at the University of Santo Tomas in Manila, Philippines. He then completed a residency with Overlook Hospital (Columbia University) in Summit, New Jersey. He is a member of the American College of Physicians. Dr. Po has been on the medical staff at Holyoke Medical Center since 2002.
Dr. Roca Mattei attended medical school at the Universidad Autónoma de Guadalajara in Zapopan, Mexico, and New York Medical College in Valhalla, New York. She then completed a residency with Hospital Universitario Dr. Ramon Ruiz Arnau in Bayamón, Puerto Rico. She is a member of the American Medical Association and the American College of Physicians. Dr. Roca Mattei has been on the medical staff at Holyoke Medical Center since 2012.
Dr. Viswanathan attended medical school at Osmania Medical College in Hyderabad, India. He then completed a residencies with Interfaith Medical Center in Brooklyn, New York, and UMass Memorial Health Care in Worcester, Mass. He is board certified by the American Board of Internal Medicine. Dr. Viswanathan has been on the medical staff at Holyoke Medical Center since 2018.
Nick Felton, PA-C, received a B.S in Biology/ Pre-Medicine from American International College in Springfield, Mass, and a Masters in Physicians Assistance Studies from Bay Path University in Longmeadow, Mass. Felton has been on the medical staff at Holyoke Medical Center since 2017.
Amanda O’Halloran, FNP, received a Bachelor of Science in Nursing and a Masters of Science in Nursing from American International College in Springfield, Mass. O’Halloran has been on the medical staff at Holyoke Medical Center since 2022.
Barbara Saykin, FNP, received a Bachelor of Science in Nursing at the College of Our Lady of the Elms in Chicopee, Mass, and a Masters of Science in Nursing at American International College in Springfield, Mass. She is a board certified Family Nurse Practitioner. Saykin is fluent in English and Russian. She has been on the medical staff at Holyoke Medical Center since 2021.
