Physician Leadership

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Spectrum is a physician-led organization that combines strong physician leadership with business expertise from a highly skilled administrative team. The combination results in the organization’s ability to successfully meet critical operational objectives while ensuring opportunities for strategic development.

Board of Directors

Robert Ascanio, MD
Coastal Anesthesiology

Matthew Cheney, MD, PhD
Radiation Oncology

Yeang Chng, MD, PhD
Northern Radiology

Steven Farraher, MD
Southern Radiology

Michael Harvey, MD
Pathology

Peter (Rob) Hubbs, MD
Southern Anesthesiology

Jared Kasper, MD
Northern Radiology

Adam O’Brien, DO
Coastal Anesthesiology

Michael Quinn, MD
Chairman & Southern Radiology

Leslie Schwab, MD
Community Member

Mark Steciuk, MD, PhD
Pathology

Anesthesiology Leadership

Managing Directors

Peter (Rob) Hubbs, MD
Southern Anesthesiology

Adam O’Brien, DO
Coastal Anesthesiology

Site Chiefs, Department Chairs, Medical Directors, and Site Liaisons

Margaret Brill, MD
Plastic & Hand Surgical Associates

William Boyd, MD
MaineHealth Maine Medical Center Portland

Eric Brown, MD
MaineHealth Maine Medical Center Biddeford; MaineHealth Maine Medical Center Sanford

Angus Christie, MD
MaineHealth Stephens Hospital

Janette Covington, MD
Maine Eye Center

Robert Epstein, MD
Portland Gastroenterology Center

J. Richie Garcia, MD
OA Ambulatory Surgery Center

Diane Hankes, DO
MaineHealth Surgery Center Scarborough

Byron Hathcock, MD
MaineHealth Mid Coast Hospital

Brian McAllister, MD
Northern Light Mercy Hospital

Ryan Mountjoy, MD
MaineHealth Lincoln Hospital

Pathology Leadership

Managing Director

Michael Harvey, MD

Site Chiefs, Department Chairs, and Medical Directors

Robert Christman, MD
MaineHealth Maine Medical Center Portland

Michael Harvey, MD
MaineHealth Mid Coast Hospital

William Lambie, MD
MaineHealth Lincoln Hospital; MaineHealth Pen Bay Hospital

Victoria Parker, DO
MaineHealth Franklin Hospital; MaineHealth Maine Medical Center Biddeford; MaineHealth Maine Medical Center Sanford; MaineHealth Memorial Hospital; MaineHealth Stephens Hospital

Jeannine Ritchie, MD
Exeter Hospital

Mark Steciuk, MD, PhD
Central Maine Healthcare: Central Maine Medical Center, Bridgton Hospital, Rumford Hospital

Sonja Tomić, MD
MaineHealth Waldo Hospital

Radiation Oncology Leadership

Managing Director

Matthew Cheney, MD, PhD

Site Chiefs, Department Chairs, and Medical Directors

Whitney Beeler, MD
New England Cancer Specialists

Ian Bristol, MD
Coastal Cancer Treatment Center; MaineHealth Maine Medical Center Portland; MaineHealth Radiation Therapy Sanford; MaineHealth Radiation Therapy Scarborough

Matthew Parsons, MD
Portsmouth Regional Hospital

Radiology Leadership

Managing Directors

Jared Kasper, MD
Northern Radiology

Steven Farraher, MD
Southern Radiology

Assistant Managing Director

Yeang Chng, MD, PhD
Northern Radiology

Site Chiefs, Department Chairs, and Medical Directors

David T. Ahola, MD
Northern Light Eastern Maine Medical Center

Yeang Chng, MD, PhD
Outpatient Imaging Center (OIC)

Christina Cinelli, MD
MaineHealth Medical Center Biddeford and Sanford

Cydney Cox, MD
InterMed

Michael DiGianvittorio, DO
MaineHealth Maine Medical Center Portland

Jared Kasper, MD
Northern Light CA Dean Memorial Hospital; Northern Light Mayo Hospital

Paul Kim, MD
MaineHealth Maine Medical Center Biddeford and Sanford

Brian Livingston, MD
Rayus: Auburn, Brunswick, Portland, Scarborough, Westbrook

Charles Mullen, MD
MaineHealth Lincoln Hospital

Christopher Mutter, DO
MaineHealth Memorial Hospital

Edward Nicholas, MD
Northern Light Blue Hill Hospital; Northern Light Maine Coast Hospital; Rayus: Bangor

Guillermo Olivos, MD
Millinocket Regional Hospital; St. Joseph Hospital

Elizabeth Pietras, MD
Martin's Point Health Care; Coastal Women's Health Care

John Pontolillo, MD
Northern Light Inland Hospital

Matthew Recker, MD
St. Mary's Regional Medical Center

Erich Russell, DO
Rayus Vascular Care

Sharon Siegel, MD
MaineHealth Maine Medical Center Portland

Annamaria Skacelova, MD
Penobscot Valley Hospital
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