Dr. Dia B. Flanagan joined Guilford Pediatrics in January of 2009 as the most recent member of the practice. She had been practicing in Madison for the previous nine years. Dr. Flanagan received her medical degree at the University of Connecticut. During her training she had the opportunity to practice in a remote area of Swaziland, Africa, where she discovered her love of kids and making them better. She went on to complete her pediatrics residency at UConn's Connecticut Children's Medical Center. Prior to medical training, she earned her B.S. in chemistry from Lafayette College in Pennsylvania. Being a native of Madison, she worked her way back to the shoreline after she started a family. Dr. Dia now lives in Madison with her husband and three children. She enjoys running,biking,and skiing. You may see her at the beach or at sporting events with her family.

Dr. Jonathan Stein is a New England native who finished his pediatrics residency at Yale New Haven Children's Hospital in 1997. From 1997-1998 he remained at Yale as Chief Resident in Pediatrics. Prior to his residency, he was an undergraduate at Yale, earning a B.S. in biology in 1989. He graduated from the Albert Einstein College of medicine in 1994. In addition to his strong commitment to providing single-office, 24 hour access "country-style" pediatrics, Dr. Stein is quite busy outside the office. He holds a faculty appointment at the Frank Netter School of Medicine (Quinnipiac University) where he teaches Foundations of Clinical Care. He worked for the Make-A-Wish foundation as the medical adviser for the Connecticut chapter. In 2011 he was selected as the national organization's Chief Medical Advisor and served in that role for four years. Dr. Stein lives in Madison with his wife and four boys.

Kathy Kruser APRN joined Guilford Pediatrics in 1996. She spent her childhood in the Midwest, eventually landing in Connecticut. She worked at Yale-New Haven Hospital for 12 years in several departments, including the Pediatric ICU and the adolescent unit. She received her undergraduate degree from Russell Sage College and her Master's degree from Sacred Heart University. Kathy lives in North Branford with her daughter Jillian and her miniature dachshund Lucy. She enjoys scrapbooking and singing in her church choir.

Shoreline Concussion Center

Guilford Pediatrics

Our Doctors

Dr. Ann Hoefer ("hay-fir") joined Guilford Pediatrics in 1994. Born and raised in Columbia, S.C., she was an English major at Agnes Scott College in Decatur, Georgia. While attending graduate school in English at Yale, she discovered that women were being accepted into medical school in increased numbers and, fulfilling a childhood dream, took courses allowing her to enter the Yale Medical School. She graduated in 1980 and trained in psychiatry and forensic psychiatry at Yale, but after having children decided to switch to pediatrics. She joined Guilford Pediatrics after completing her pediatrics  residency at Yale. Along with Dr. Nolfo, she runs the concussion management program. She is also particularly interested in managing skin conditions, such as acne and eczema.She lives in Madison with her husband, Ben Bradburn, who is an orthopedic surgeon; they have two adult daughters. Dr. H is a dutiful gym attendee (now that the knees preclude marathons) and a passionate reader, knitter, gospel music singer, and Red Sox fan.

Dr. Rob Nolfo joined Guilford Pediatrics in 1997 after completing his pediatrics residency at Yale New Haven Hospital. He was born and raised in Brooklyn, NY and moved to Guilford in 1986. Dr. Nolfo earned his Bachelor of Science degree from Manhattan College in 1983 and his Masters of Science in Physiology in 1986 from Long Island University. He earned his M.D. from Yale School of Medicine in 1994. Dr. Nolfo is the director of the Shoreline Concussion Center (part of Guilford Pediatrics) and he is the medical advisor in the Guilford, North Branford, and North Haven school districts. His areas of expertise are in concussion management, nutrition, and developmental pediatrics. He lives with his wife, Emily Nolfo, who is an internist in Guilford. They both play in a rock band called, Take Two and Call Me in the Morning, comprised mostly of doctors. He and Emily have two daughters. Lauren and her husband live in Madison with their son, Lane who was born in 2015, and Mariella, who is a Licensed Speech and Language Pathologist, and her husband live in Prineville, Oregon. 

Dr. Nancy Czarkowski ("zar-cow-ski" - easier to say than it looks!) joined Guilford Pediatrics in 1987. Originally from Philadelphia, she graduated from Bryn Mawr College, then moved to Connecticut to attend medical school at Yale University. She also completed her internship and residency at Yale, and volunteered in the adolescent medicine clinic there for many years. Other interests include reading, gardening and bee-keeping! She is an enthusiastic hiker, as well as a practicing Zen student. Dr. C lives in Guilford with her family/menagerie and occasionally provides a foster home for dogs waiting adoption.