Maine Medical Center
Dr. Gerding in OR

Leadership & Faculty

Our physician and advanced practice provider radiology faculty members belong to Spectrum Healthcare Partners. All radiology physician faculty members have academic appointments at Tufts University School of Medicine in Boston, MA. The radiology physician faculty consists of over 40 radiologists and 4 advanced practice providers with subspecialty expertise including interventional radiology, neuroradiology, musculoskeletal radiology, cardiothoracic radiology, breast radiology, abdominal radiology/body imaging, pediatric radiology, ultrasonography and nuclear medicine. 

Although nearly all of the radiology physician faculty members are fellowship-trained and primarily practice radiology within their areas of expertise, all practice general radiology as well. Furthermore, some of the radiology physicians are faculty at the MaineHealth Hannaford Center for Safety, Innovation & Simulation.

Program Leadership

Joseph P Gerding
Joseph Gerding, MD, DABVLM, RPVI
Program Director, MHMMC Integrated IR Residency | Participating Site Director, SHCP IR | Clinic Director, MHMMC Medical Student IR Clerkships

Medical School: University of Illinois College of Medicine, Peoria, IL
Residency: Diagnostic Radiology, University of Illinois College of Medicine, Chicago, IL
Fellowship: Vascular & Interventional Radiology, Northwestern Memorial Hospital, Chicago, IL
Joined MHMMC/SHCP: 2007

Jennifer C Talmadge
Jennifer Talmadge, MD
Associate Program Director, MHMMC Integrated IR Residency | Program Director, MHMMC Diagnostic Radiology Residency

Medical School: Geisel School of Medicine at Dartmouth, Hanover, NH
Residency: Diagnostic Radiology, MaineHealth Maine Medical Center, Portland, ME
Fellowship: Pediatric Radiology, Boston Children’s Hospital, Boston, MA
Joined MHMMC/SHCP: 2015

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Erich Russell, MD
Erich Russell, DO
Assistant Program Director, MHMMC Integrated IR Residency | Division Director, MHMMC Interventional Radiology | Clinical Section Chief, MHMMC Vascular US & CT

Medical School: Lake Erie College of Osteopathic Medicine, Erie, PA
Residency: Diagnostic Radiology, MaineHealth Maine Medical Center, Portland, ME
Fellowship: Vascular & Interventional Radiology, Miami Cardiac & Vascular Institute, Miami, FL
Joined MHMMC/SHCP: 2020

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Shawn Harmon
Program Manager, MHMMC IR & DR Residencies

Joined MHMMC: 2022

Angelina Clancy
Angelina Clancy
Program Coordinator, MHMMC IR & DR Residencies

Joined MHMMC: 2023

Administrative Leadership

Sharon G Siegel
Sharon Siegel, MD
Chair, MHMMC Department of Radiology | Division Director, MHMMC CT | Clinical Section Chief, MHMMC Emergency & GI Radiology and Body CT

Medical School: Tufts University School of Medicine, Boston, MA
Residency: Diagnostic Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA
Fellowship: Cross-sectional Imaging, Hospital of the University of Pennsylvania, Philadelphia, PA
Joined MHMMC/SHCP: 1999

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Michael D DiGianvittorio
Michael DiGianvittorio, DO
Vice Chair, MHMMC Department of Radiology | Clinical Section Chief, MHMMC Neuro CT

Medical School: University of New England College of Osteopathic Medicine, Biddeford, ME
Residency: Diagnostic Radiology, MaineHealth Maine Medical Center, Portland, ME
Fellowships: Neuroradiology, Johns Hopkins Hospital, Baltimore, MD; Nuclear Medicine & Molecular Imaging, Johns Hopkins Hospital, Baltimore, MD
Joined MHMMC/SHCP: 2017

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