Meet Our Pediatric GI Providers & Staff
At Alaska Pediatric Specialties, we understand that navigating the world of pediatric GI care can be overwhelming. Our dedicated team is here to support you every step of the way. Whether you're visiting our clinic for an initial consultation, undergoing a procedure or treatment, spending time in the hospital if necessary, or following up afterward, you'll encounter our compassionate and experienced staff members. Please allow us to introduce ourselves and we look forward to meeting you along the journey.
Gregory Semancik, M.D.
Dr. Gregory Semancik is a board-certified pediatric gastroenterologist who has been practicing in Alaska since 2010 after retiring from the US Army.
Michael Malandra, M.D.
Dr. Michael Malandra is a board-certified pediatric gastroenterologist who made his way to Alaska in 2020.
Robert Merkouris, MD, MS
Dr. Robert Merkouris is a pediatric gastroenterologist and lifelong Alaskan dedicated to caring for children and families in his home state.
Michelle Haimowitz, ANP
Michelle Haimowitz is a pediatric GI nurse practitioner bringing extensive specialty experience and compassionate care to children and families in Alaska.
Abby Vohaska, RN
Abby Vohaska is a pediatric nurse with a strong background in NICU and pediatric care, dedicated to supporting children and families in Alaska.
Fun Facts
- Christi loves football!
- Dr. Wittman has studied 4 different languages (French, Latin, Greek, and Italian).
- Dr. Wittman has competed in figure skating competitions in the US, Canada, Germany, France, and Russia.
- Christi's favorite place to hang out in Alaska is Prince William Sound.