Radiology Team

Meet Our Physicians

Benchmark Radiology has assembled a team of wonderful physicians to provide our patients with the best care radiology has to offer. 
John H. Bliznak, MD
President
Grady Yoder
Grady Yoder, MD
Vice President
Clark Wiginton, MD
Secretary
Venkata Amilineni, MD
Jon Anderson, MD
Michel Dumas, MD
Tracy Hines, FNP-BC
Jason Kimball, MD
Kimberly Kirschner, MD
Kimberly Kirschner, MD
Steven Nitke, MD
Steven Nitke, MD
Ashish Patel, MD
John H. Bliznak, MD
President
Specialty: Neuroradiology
Diagnostic Radiology
Fellowship: University of Arizona, 2009
Residency: Tulane University, 2008
Internship: Tulane University, 2004
Medical School: Tulane University, 2003
Certification: American Board of Radiology
Certification in Neuroradiology
Grady Yoder
Grady Yoder, MD
Vice President
Specialty: Interventional Radiology,
Diagnostic Radiology
Fellowship: University of South Florida, 2006
Residency: Louisiana State University, 2005
Internship: University of Texas HSC, 2001
Medical School: University of Texas HSC, 2000
Certification: American Board of Radiology
Clark Wiginton, MD
Secretary
Specialty: Musculoskeletal Radiology,
Diagnostic Radiology
Fellowship: Univ. of Texas Southwestern, 2010
Residency: UT Medical Branch, 2009
Internship: Carilion Memorial Hospital, 2005
Medical School: UT Medical Branch, 2004
Certification: American Board of Radiology
Venkata Amilineni, MD
Specialty: Mammography, Body Imaging, Diagnostic Radiology
Fellowship: Johns Hopkins Hospital, 2002
Residency: University of Pittsburg, 2001
Internship: Beth Israel Medical Center, 1996
Medical School: Osmania Medical College, 1985
Certification: American Board of Radiology
Jon Anderson, MD
Specialty: Musculoskeletal Radiology
Diagnostic Radiology
Fellowship: University of Nebraska, 2008
Residency: University of Nebraska, 2007
Internship: UT at Houston, 2003
Medical School: UT at Houston, 2002
Certification: American Board of Radiology
Michel Dumas, MD
Specialty: Cross Sectional Imaging 
Diagnostic Radiology
Fellowship: University of Michigan, 1996
Residency: Univ. of Western Ontario, 1995
Internship: Univ. of Western Ontario, 1991
Medical School: University of Ottawa, 1990
Certification: American Board of Radiology
FRCP of Canada Radio
Tracy Hines, FNP-BC
Family Nurse Practitioner
PHD Nursing: University of Texas, 2015
Masters: University of Texas, 1999
Certification: American Nursing Credentialing Center, American Association of Critical Care Nurses
Certification: American Board of Radiology
Jason Kimball, MD
Specialty:  Abdominal Imaging
Diagnostic Radiology
Fellowship:  University of Colorado, 2013
 Residency: John Peter Smith Hospital, 2012 
Internship: Wm. Beaumont Army Med., 2003 
Medical School – Kansas City University, 2002 
Certification: American Osteopathic Board of Radiology
Kimberly Kirschner, MD
Kimberly Kirschner, MD
Specialty: Body Imaging 
Diagnostic Radiology
Fellowship: UT Houston MD Anderson, 2010
Residency: UT Medical Branch, 2009
Internship: UT Medical Branch, 2005
Medical School: UT Medical Branch, 2004
Certification: American Board of Radiology
Steven Nitke, MD
Steven Nitke, MD
Specialty: Nuclear Medicine
Diagnostic Radiology
Fellowship: Med. Univ. of South Carolina, 1998
Residency: University of New Mexico, 1997
Medical School: University of Minnesota, 1993
Certification: American Board of Radiology
American Board of Nuclear Medicine
Certification: American Board of Radiology
Ashish Patel, MD
Specialty: Neuroradiology 
Diagnostic Radiology
Fellowship: Univ.  of Southern California 2000
Residency: Univ. of Southern California, 1998
Internship: Univ. of Southern California, 1994
Medical School: Wayne State University 1993
Certification: American Board of Radiology
Certification in Neuroradiology