Our Team
Archie R. McGowan, M.D. — Neuro and Interventional Radiologist
Dr. McGowan's clinical interests are Neuro Interventional procedures, Interventional Oncology, spine interventions, percutaneous tumor ablation, angiography, kyphoplasty, and pelvic congestion syndrome.
Board Certifications:
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Diplomate – American Board of Radiology
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Diplomate – American Board of Radiology in Interventional Radiology
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American Board of Radiology Certification of Added Qualification (CAQ) in Neuro Radiology
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Member – Society of Interventional Radiology
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Member - Member of Society of Neuro Interventional Surgery (SNIS)
Medical Education:
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Medical School: Dartmouth Medical School, Hanover, NH
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Medical: Mt Auburn Hospital, Cambridge, MA
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Chief Resident: Brigham and Women’s Hospital, Boston, MA
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Post Residency: Vascular and IR, USAF Scott Medical Center
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Fellow of Harvard Medical School and Children’s Hospital Medical Center
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Fellowship: Neuroradiology, Washington University Medical Center
Society Memberships:
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Radiological Society of North America
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American College of Radiology
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New England Society of Interventional Radiology
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New Hampshire Medical Society
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Portsmouth Medical Society

John G. Pierce, M.D. — Interventional Oncology Radiologist
Dr. Pierce's clinical interests are SIRT tumor ablation, angiography, kyphoplasty, pelvic congestion syndrome, venous disease including thrombolysis,varicosity ablation, variicocele embolization.
Board Certifications:
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Diplomate – American Board of Radiology
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Member: Society of Cardiovascular and
Interventional Radiology -
Diplomate - American Board of Radiology in Interventional Radiology
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American Board of Radiology Certificate of Added Qualification (CAQ) in Cardiovascular and Interventional Radiology
Medical Education:
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Medical: Tufts University, Boston, MA
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Residency in Diagnostic Radiology: Yale-New Haven Hospital and Yale University School of Medicine
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Fellowship: Cardiovascular and Interventional Radiology, University of Pennsylvania
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Medical Center and Children’s Hospital of Philadelphia, PA

Jesse B. Smith M.D. — Musculoskeletal Radiologist
Dr. Smith’s clinical interests are joint injections, MRI arthrography, stereotactic and MRI
guided breast biopsies.
Board Certifications:
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Diplomate - American Board of Radiology
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Member: NE Roentgen Ray Society and
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NH Medical Society
Medical Education:
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Medical: UMass Medical School, Worcester, MA
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Chief Resident in Radiology: Brigham and Women’s Hospital
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Fellow of Harvard Medical School and Children’s Hospital Medical Center
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Fellowship: Musculoskeletal Radiology: Brigham and Women’s Hospital

Matthew Oliff, M.D. — Title
Society Memberships: ABR, ACR, RSNA
Medical Education:
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Medical: Columbia University (2009)
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Internship: Brockton Hospital/Tuft University (2010)
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Residency (including dedicated training in Breast Imaging): Brigham and Women's Hospital (2014)
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Fellowship is Musculoskeletal Radiology: Brigham and Women's Hospital (2015)

O.Robert Stevens, M.D. — Title
Board Certifications:
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Diplomate – American Board of Radiology
Medical Education:
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Medical: University of Vermont, Burlington, VT
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Residency in Radiology: Dartmouth-Hitchcock Medical Center, Hanover, NH and Children’s Hospital Medical Center, Boston, MA

Diane Langlois — Interventional Radiology Patient Navigator
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