Meet our Team

  • Dr. Koehler received her undergraduate degree at Wellesley College and went on to receive her medical degree from Albert Einstein College of Medicine. She did her residency at New England Deaconess Hospital and a gastroenterology Dr. Kathleen Koehler

    Dr. Kathleen Koehler

  • Dr. Tsikitas earned his bachelor’s degree in biology from City College of New York in 1974 before graduating in the top 10% of his class as Doctor of Medicine in Thessaloniki, Greece in 1981.

    Dr. Bill Tsikitas

  • Dr. Yukevich graduated from the University of Cincinnati College of Medicine. He holds a Masters in Public Health from Harvard and a BA in English Literature from Princeton.

    Dr. Gerry Yukevich

  • A smiling woman with short brown hair, glasses, and earrings, wearing a blue textured cardigan over a white top, posing against a plain gray background.

    Katie Friedman, MSN, FNP, BC

  • Kelley Ellsworth, PA-C

    Kelley Ellsworth, PA-C

  • A woman with long, wavy blonde hair wearing glasses, pearl earrings, a light blue shirt, and a white top, smiling at the camera.

    Kay Rogers, FNP

  • A smiling elderly man with gray hair wearing a pink checkered shirt.

    Dr. Jim Butterick, Medical Director Emeritus

  • Portrait of a smiling man with short, light brown hair, blue eyes, and wearing a blue button-up shirt.

    Jeff Levy, CEO

  • Anna Jacobs, Clinical Operations Director

  • Close-up portrait of a woman with long, light brown hair, wearing a blue top and a gold necklace with a pendant, smiling softly against a plain background.

    Aubrey Stimola Ryan, PA-C

  • A smiling woman with long blonde hair wearing a turquoise top against a plain light background.

    Krista BenDavid, PA