Thomas Hargest, Jr., M.D., Ph. D.
Dr. Thomas Hargest joined Family Health Associates in November, 1993. His primary office is located at the Apple Hill Medical Center.
Dr. Hargest was born in Baltimore, Maryland. He earned his undergraduate degree from Loyola College, Baltimore, Maryland,a Master of Science degree and a Ph. D. In Molecular & Cell Biology from Penn State University., and his medical degree from Temple University. He completed his family residency at Sacred Heart Hospital in Allentown, Pennsylvania. He is board certified by the American Board of Family Practice.
Dr. Hargest has one child and enjoys skiing, gardening and chess.
Robert Pizziketti, M.D.
Dr. Robert Pizziketti joined Family Health Associates in December, 1997. His primary office is located at 810 Bonneview Road.
Dr. Pizziketti was born in Philadelphia, Pennsylvania. He earned his medical degree from Temple University and completed his family practice residency at Bryn Mawr Hospital in Bryn Mawr, Pennsylvania. He is board certified by the American Board of Family Practice.
Dr. Pizziketti is married, has 3 children and enjoys reading and computers.
Krishan Keck, CRNP
Krishan “Kris” Keck joined Family Health Associates in December 2021. His primary office is located at the Apple Hill Medical Center.
Kris was born in London, England. He earned his Bachelor of Science in Biology from Temple University, a Bachelor of Science in Nursing from Thomas Jefferson University, and a Master of Science in Nursing from Villanova University. He comes from Penn State Health, where he worked as an Emergency Nurse for 6 years. He is board certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners. He is happy to take care of the medical needs of the whole family.
Kris married Ari in June, 2022 and enjoys cooking, reading, hiking, sailing and plays the piano, organ and sings Gregorian Chant.
Morgan Sigel, CRNP
Morgan Sigel joined Family Health Associates in March 2022. Her primary office is located at 1689 Kenneth Road.
Morgan grew up in York, PA. She earned her Bachelor’s of Science in Nursing degree from York College of Pennsylvania, and her Master’s of Science in Nursing was earned at Walden University.
She is board certified by both American Nurses Credentialing Center and the American Association of Nurse Practitioners.
Morgan has two children. In her free time, she enjoys spending quality time with her family and traveling.
Lori Johnson, CRNP
Lori Johnson joined Family Health Associates in February 2023. Her primary office is located at 810 Bonneview Road.
Lori was born in York, Pa, earned her bachelor of science in nursing from Grand Canyon University, Masters of science in nursing/leadership from Keiser university and Post-Masters from Maryville University with Adult Gerontology Nurse practitioner degree.
Board certified through American Association of Nurse Practitioners. She has 26 years of combined nursing experience in various specialties and settings.
Lori is married with two adult children and two grandchildren. She enjoy creating mixed medium art, learning new cultures, reading and yoga/pilates.
David Chalker, DO
David Chalker joined Family Health Associates in May 2023. His primary office is located at 1689 Kenneth Road.
Dr Chalker is a York native educated in York at Suburban High School and York College. He is a gardener and stamp collector.
He is married with 5 children and grand children. He and his wife live in York.