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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:

  • Diplomate – American Board of Radiology

  • Diplomate – American Board of Radiology in Interventional Radiology 

  • American Board of Radiology Certification of Added Qualification (CAQ) in Neuro Radiology

  • Member – Society of Interventional Radiology

  • Member - Member of Society of Neuro Interventional Surgery (SNIS)

Medical Education:

  • Medical School:  Dartmouth Medical School,   Hanover, NH

  • ​Medical: Mt Auburn Hospital, Cambridge, MA

  • Chief Resident: Brigham and Women’s Hospital, Boston, MA

  • Post Residency:  Vascular and IR, USAF Scott Medical Center

  • Fellow of Harvard Medical School and Children’s Hospital Medical Center

  • Fellowship: Neuroradiology, Washington     University Medical Center

Society Memberships:  

  • Radiological Society of North America

  • American College of Radiology

  • New England Society of Interventional Radiology

  • New Hampshire Medical Society

  • 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:

  • Diplomate – American Board of Radiology

  • Member: Society of Cardiovascular and 
    Interventional Radiology

  • Diplomate - American Board of Radiology in Interventional Radiology 

  • American Board of Radiology Certificate of Added Qualification (CAQ) in Cardiovascular and Interventional Radiology

Medical Education:

  • Medical: Tufts University, Boston, MA

  • Residency in Diagnostic Radiology:                 Yale-New Haven Hospital and Yale University School of Medicine

  • Fellowship: Cardiovascular and Interventional Radiology, University of Pennsylvania

  • 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:

  • Diplomate - American Board of Radiology

  • Member: NE Roentgen Ray Society and

  • NH Medical Society

Medical Education:

  • ​Medical: UMass Medical School,          Worcester, MA

  • Chief Resident in Radiology: Brigham              and Women’s Hospital

  • Fellow of Harvard Medical School and  Children’s Hospital Medical Center

  • Fellowship: Musculoskeletal Radiology:  Brigham and Women’s Hospital ​

Matthew Oliff, M.D. — Title


Society Memberships:  ABR, ACR, RSNA

Medical Education:

  • Medical: Columbia University (2009)

  • Internship:  Brockton Hospital/Tuft University (2010)

  • Residency (including dedicated training in Breast Imaging):  Brigham and Women's Hospital (2014)

  • Fellowship is Musculoskeletal Radiology: Brigham and Women's Hospital (2015)

O.Robert Stevens, M.D. — Title

Board Certifications:

  • Diplomate –  American Board of Radiology

Medical Education:

  • Medical: University of Vermont,             Burlington, VT

  • 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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