Our Radiologists

John W. Wright, M.D.

Education:
   1986-1990

   1984-1985

   1980-1984

   1975-1979

Radiology Residency
Baylor College of Medicine
Houston, TX
Surgery Internship
University of Texas
Medical Branch
Galveston, Texas
M.D.
Baylor College of Medicine
Houston, TX
B.A. Plan II
University of Texas
Austin, TX

Licensure:
Wyoming Board of Medicine
Nebraska Board of Medicine

Certification:
American Board of Radiology 1990

Professional Organizations:
   Radiological Society of North America
   American College of Radiology
   Laramie County Medical Society
   Wyoming Medical Society
   Rocky Mountain Radiological Society

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James G. Hubbard, M.D.

Education:
   1989-1990

   1985-1989

   1984-1985

   1980-1984

   1976-1980

   1971-1976

Body Imaging Fellowship
University of Colorado, Denver, CO
Radiology Resident
University of Colorado, Denver, CO
Medical Internship
LDS Hospital, Salt Lake City, UT
Medical School
University of Utah, Salt Lake City, UT
M.S. in Anatomy
University of Utah, Salt Lake City, UT
M.S. in Biology
University of Utah, Salt Lake City, UT

Licensure:
Wyoming Board of Medicine
Nebraska Board of Medicine

Certification:
American Board of Radiology 1989

Professional Organizations:
Wyoming Medical Society
American College of Radiology

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Daniel R. Possehn, D.O.

Education:
   2004=2005

   2000-2004

   1999-2000

   1995-1999

   1990-1994

Neuroradiology Fellowship
University of California, Davis
Sacramento, CA
Diagnostic Radiology Residency
Michigan State University
East Lansing, MI
Internship
Long Beach Medical Center
Long Beach, NY
Doctorate of Osteopathy
Kirksville College of Osteopathic Medicine
Kirksville, MO
BS/BA in Biology
Truman State University
Kirksville, MO

Licensure:
   Wyoming Board of Medicine
   California Board of Medicine
   Michigan Board of Medicine

Certification:
American Osteopathic Board of Radiology 2004
National Board of Osteopathic Medical Examiners 2000

Professional Organizations:
   American Osteopathic College of Radiology
   Radiological Society of North America
   American Roentgen Ray Society
   American Osteopathic Association
   American Medical Association
   American College of Radiology
   American Society of Neuroradiology

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D. Michael Kellam, M.D.

Education:
   1987-1988

   1988-1989

   1984-1987

   1983-1984

   1979-1983

   1975-1979

Interventional/Angiography Fellowship
University of Texas
Health Sciences Center,
San Antonio, TX.
MRI Fellowship
Huntington Mem. Hospital
Pasadena, CA.
Radiology Resident
University of Texas
Health Sciences Center,
San Antonio, TX
Flexible Medical/Surgical Internship
Presbyterian/St. Luke's Hospital
Denver, CO
Creighton University Medical School
Omaha, NE
University of Wyoming
BS in Zoology

Licensure:
   Wyoming State Board of Medicine
   Colorado State Board of Medicine
   Nebraska State Board of Medicine

Certification:
American Board of Radiology 1988

Professional Organizations:
   Radiological Society of North America
   American College of Radiology
   Wyoming Medical Society
   Laramie County Medical Society

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Dr. Scott Hayden

Scott A. Hayden, M.D.

Education:
   1986-1987

   1984-1988

   1980-1984

   1976-1980

MRI Fellowship
University of Colorado
Health Sciences Center,
Denver, CO
Residency Diagnostic Radiology
University of Colorado
Health Sciences Center,
Denver, CO
Medical School
University of Utah
Salt Lake City, UT
BS Zoology
University of Wyoming
Laramie, WY

Licensure:
   Colorado Board of Medicine
   Nebraska Board of Medicine
   Wyoming Board of Medicine

Certification:
American Board of Radiology 1988

Professional Organizations:
   Wyoming Medical Society
   American College of Radiology
   Radiological Society of North America
   Laramie County Medical Society

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William D. Ketcham, M.D.

Dr. William Ketcham

Education:
   1998-2002

   1997-1998

   1996-1997

   1996

   1991

PGY-5, Radiology
Baylor College of Medicine
Houston, TX
PGY-3, Physical Medicine/Rehabilitation
Baylor College of Medicine
Houston, TX
PGY-1, Internal Medicine
University of Nevada Affiliated Hospitals
Reno, NV
M.D.
University of Nevada, School of Medicine
Reno, NV
B.S. - Pre-Med
University of Nevada
Reno, NV

Licensure:
   Colorado Board of Medicine
   Nevada Board of Medicine
   Texas Board of Medicine
   Wyoming Board of Medicine

Certification:
   American Board of Radiology 2000
   BLS/ACLS 2002
   National Board of Medical Examiners

Professional Organizations:
   American Roentgen Ray Society
   Society of Cardiovascular and Interventional Radiology
   Houston Radiologic Society
   Texas Medical Association
   Harris County Medical Association
   American Medical Association
   American Medical Students Association
   American Federation for Clinical Research

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David W. McNaul, M.D.

Education:
   1993-1997

   1991-1993

   1991

   1987

Resident Physician of Radiology
University of Missouri
Columbia Hospital and Clinics
Columbia, MO
Resident Physician of Surgery
University of Missouri
Columbia Hospital and Clinics
Columbia, MO
Doctorate of Medicine
University of California at Irvine
California College of Medicine
B.S.
University of California at Irvine
Irvine Biological Services

Licensure:
   Arkansas Board of Medicine
   Colorado Board of Medicine
   Missouri Board of Medicine
   Nebraska Board of Medicine
   Wyoming Board of Medicine

Certification:
American Board of Radiologists, May 2000

Professional Organizations:
Colorado Medical Society

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Eric R. Hoyer M.D.

Education:
   1995-1996

   1992-1996

   1991-1992

   1987-1991

   1983-1987

Chief Resident
Fitzsimmons Army Hospital
Aurora, CO
Diagnostic Radiology
Fitzsimmons Army Hospital
Aurora, CO
Transitional Internship
Fitzsimmons Army Hospital
Aurora, CO
M.D. with Honors
University of Colorado
Denver, CO
B.A. - Molecular Biology
University of Colorado
Denver, CO

Special Interests & Expertise
Breast Imaging

Licensure:
   Colorado Board of Medicine
   Minnesota Board of Medicine
   Wisconsin Board of Medicine
   Wyoming Board of Medicine

Certification:
American Board of Radiologists, June 1996

Professional Organizations:
   American College of Radiology
   American Roentgen Ray Society
   Radiologic Society of North America
   38th Parallel Medical Society
   Alpha Omega Alpha

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