Residents

Ryan Turner, MS
Medical Physics Resident

Work Phone:  (412) 359-6094
Location: Allegheny General Hospital

Biography
Mr. Turner is a medical physics resident in the Allegheny Health Network (AHN) since July 2023. His graduate school practicum involved commissioning a 6 MV FFF beam. His interests include, brachytherapy, particle therapy, SBRT, and MR-guided radiotherapy. He is a member of the American Association of Physicists in Medicine.

Education
Ryan received his undergraduate degree in Chemistry from Rutgers University. His Master’s studies were completed at Vanderbilt University in Medical Physics. 

Joseph Caletri, MS
Medical Physics Resident

Work Phone:  (412) 359-4689
Location: Allegheny General Hospital

Biography
Joe is originally from Houma, LA - a small town south of New Orleans. He went to Louisiana State University for his B.S. in Biochemistry, and then went to the University of Pennsylvania to complete his M.Sc. in Medical Physics. His clinical interests include brachytherapy and SRS/SBRT planning and delivery. Outside of work, Joe's hobbies include skiing, hiking, weightlifting, golfing, and rooting for the Tigers. Joe also has a German Shepherd named Rocky. 

Education
Joe received his undergraduate degree in Biochemistry from Louisiana State University. His Master’s studies were completed at the University of Pennsylvania in Medical Physics.

Doris Chen, MS
Medical Physics Resident

Work Phone:  (412) 359-6094
Location: Allegheny General Hospital

Biography
Doris was a medical dosimetrist at Yale New Haven Health - Greenwich Hospital for nine years before beginning her medical physics residency at the Allegheny Health Network in 2024.  Her interests include treatment planning, MR-guided radiotherapy, SBRT/SRT, and quality assurance (QA).  She is a member of the American Association of Medical Dosimetrists and the American Association of Physicists in Medicine. She enjoys yoga, jogging, tennis, and traveling.

Education
Doris received her undergraduate degree in Biology from Stony Brook University. Her Master’s studies in Medical Dosimetry were completed at the University of Wisconsin-La Crosse and in Medical Physics at Georgia Institute of Technology.