Contact Information
Residency Program Director
Donald von Borstel, D.O.
744 West 9th St.
Tulsa, OK 74127
918-599-4626
Residency Program Coordinator
Christa Arnold
744 West 9th St.
Tulsa, OK 74127
918-599-4626
christa@diarads.net
Resident Program Ambassador
Dr. Marshall Harris (Chief Resident)
- View List of Faculty
Bo Yon Choi, D.O.
- Osteopathic Medical Degree: College of Osteopathic Medicine, Michigan State University
- Internship / Residency: Botsford Hospital
- Fellowship: Henry Ford Hospital, Body Imaging
- Certification(s) / Memberships: ACR, ARRS, AOCR, RSNA
- Practicing Since: 2013
While at Michigan State University, Dr. Choi worked in the Clinical Faculty Department. She recently completed her fellowship at Henry Ford Hospital in Detroit, Michigan. She is licensed to prctice in Michigan, New Mexico, Oklahoma and Pennsylvania.
Brooke White, D.O.
- Osteopathic Medical Degree: Oklahoma State University College of Osteopathic Medicine
- Internship / Residency: Oklahoma State University College of Osteopathic Medicine
- Certification(s) / Memberships: American Osteopathic Association, American College of Radiology, Radiological Society of North America
- Practicing Since: 2014
Dr. White recently completed her residency program as Oklahoma State University Medical Center and is currently in a mammography fellowship at OU Breast Institute. She is interested in research and presented a poster at the AOCR conference in 2013, titled "Hysterosalpingogram Evaluation of Transcervical Sterilization Devices Including Adiana and Essure Tubal Occlusive Devices For Permanent Birth Control Methods." She is licensed to practice in Arkansas, Kansas, New Mexico, Oklahoma and Pennsylvania.
Christos E. Vassiliou, D.O.
- Osteopathic Medical Degree: University of North Texas Health Science Center
- Internship / Residency: Oklahoma State University Medical Center
- Certification(s) / Memberships: American Osteopathic Association, Texas Osteopathic Medical Association, American Osteopathic College of Radiology
- Practicing Since: 2010
Dr. Vassiliou served in the United States Navy. He was a Hospital Corpsman and a Fleet Marine Corps combat medic. He performed his undergraduate work at Angelo State University, attaining his B.S. in Biology. While attending Angelo State, he worked with the U.S. Fish and Wildlife Service at Big Bend National Park. Dr. Vassiliou continues to be interested in a variety of subjects and still mentors medical students at Oklahoma State University. He is licensed to practice in Arkansas, Kansas, New Mexico, Oklahoma and Pennsylvania.
Damon L. Brooks, D.O.
- Medical Degree: University of North Texas Health Science Center
- Internship / Residency: Tulsa Regional Medical Center/Oklahoma State University Medical Center
- Certification(s) / Memberships: American Osteopathic Board of Radiology
- Practicing Since: 2009
Dr. Brooks started his academic career at Stephen F, Austin State University in Nacogdoches, Texas. He moved to Tulsa, Oklahoma, for his internship and residency. He then moved back to Houston, Texas, for a specialized Body Imaging Fellowship at The University of Texas MD Anderson Cancer Center. He is a member of the American College of Radiology, the American Osteopathic College of Radiology and the Texas Medical Association. He is licensed to practie in Kansas, New Mexico, Oklahoma and Texas.
Dean R. Fullingim, D.O., F.A.O.C.R., F.A.C.R.
- Osteopathic Medical Degree: Kansas City College of Osteopathic Medicine & Surgery
- Internship / Residency: Radiology: Oklahoma Osteopathic Hospital, Fellowship: Nuclear Medicine-Donner Laboratories, University of California, Berkeley
- Certification(s) / Memberships: American Board of Nuclear Medicine, American Osteopathic Board of Nuclear Medicine, American Osteopathic Board of Radiology Fellow, American Osteopathic College of Radiology and American College of Radiology
- Practicing Since: 1975
Dr. Fullingim’s career in radiology and nuclear medicine spans nearly four decades. He is the President of Diagnostic Imaging Associates and the visionary behind teleradiology in Oklahoma. He has lived by the guiding principal of the practice of good medicine. In 2004, he was named Tulsa Osteopathic Foundation Outstanding Physician of the year. He remains active in academia by serving as a Clinical Professor of Radiology at Oklahoma State University College of Osteopathic Medicine. He is licensed to practice in Arkansas, Oklahoma, Missouri, Kansas, Colorado and New Mexico.
Donald von Borstel, D.O.
- Medical Degree: Lake Erie College of Osteopathic Medicine
- Internship / Residency: Oklahoma State University Medical Center
- Fellowship: Musculoskeletal radiology; University of California Irvine
Dr. von Borstel completed a Musculoskeletal/Orthopedic radiology fellowship at the University of California, Irvine. He is specifically interested in sports injuries and wrist/hand imaging. He is a member of the Society of Skeletal Radiology and has a passion for teaching. He has instructed courses for medical students at Lake Erie College of Osteopathic Medicine and Oklahoma State Universtiy School of Medicine, as well as continuing to teach radiology residents musculoskeletal imaging. He looks forward to teaching throughout his career. He is married to his high school sweet heart and has two children. He is licensed to practice in California, Kansas, Oklahoma and New Mexico.
Felino A. Pascual, D.O.
- Osteopathic Medical Degree: Michigan State University
- Internship / Residency: Oakland General Hospital / Michigan State University, Botsford General Hospital / Michigan State University
- Fellowship: Lehigh Valley Hospital
- Certification(s) / Memberships: AOBR, AOA, CAQ Vascular / Interventional Radiology
- Practicing Since: 1994
Dr. Pascual has the advantage of breadth of experience due to his vascular/interventional radiology fellowship at Lehigh Valley Hospital. The fellowship taught a wide range of vascular and non-vascular interventional/diagnostic techniques including angioplasty, renal, extracranial embolization, stent placement, TIPS, thromboylis, IVC filter placement, venous access device placement, vasopressin therapy and foreign body removal, just to list a few. Dr. Pascual currently mentors physicians in training through consultation and teaching basic radiological practice. He is licensed to practice in California, Kansas, Michigan, Oklahoma and New Mexico.
George E. Polanco, D.O.
- Medical Degree: Michigan State University, College of Osteopathic Medicine
- Internship / Residency: Detroit Osteopathic Health Corporation / Michigan State University
- Fellowship: Vascular and Interventional Radiology; Wayne State University
Dr. Polanco is licensed to practice in Alaska, Florida, Hawaii, Michigan, Oklahoma, New Jersey and New Zealand. He is passionate about traveling and participates in medical missions. He is a member of the American Osteopathic Association, American Medical Association, American Osteopathic College of Radiology, American College of Radiology and the Michigan Association of Physicians and Surgeons. He is licensed to practice in Alaska, Hawaii, Michigan, New Mexico and Oklahoma.
James Pham, D.O.
- Osteopathic Medical Degree: A.T. Still University, Kirksville College of Osteopathic Medicine
- Internship / Residency: Northside Hospital & Tampa Bay Heart Institute, Oklahoma State University Medical Center
- Certification(s) / Memberships: American Osteopathic Association, American Osteopathic College of Radiology, American College of Radiology, and Radiologic Society of North America
- Practicing Since: 2013
Dr. Pham is passionate for establishing and developing rapport with referring physicians, patients and staff. He works to provide education for Residents and medical students. He enjoys the technical and procedural aspects of radiology. He is licensed to practice in Kansas, New Mexico, Oklahoma and Pennsylvania.
Jeremy Fullingim, D.O.
- Osteopathic Medical Degree: Oklahoma State University Medical Center for Health Sciences
- Internship / Residency: Residency at Oklahoma State University Medical Center and fellowship at The Children’s Mercy Hospitals & Clinics
- Certification(s): Board Certified in Diagnostic Radiology and CAQ in Pediatric Radiology
- Memberships: American Osteopathic Association, American Osteopathic Board of Radiology, American College of Radiology, American Roentgen Ray Society, and Society of Pediatric Radiology
- Practicing Since: 2008
Dr. Fullingim completed his undergraduate degree at Arkansas Tech University where he received a B.S. in Biology. He then moved to Oklahoma to complete his medical training at Oklahoma State University Health and Sciences Center. He then finalized his training with a pediatric fellowship in Kansas City. Dr. Fullingim entered private practice with DIA in 2009 after completing his fellowship. He became the Program Director of the Diagnostic Radiology Residency Program at OSUMC in 2013, in addition to continuing private practice with DIA. He is licensed to practice in Arkansas, Kansas, Missouri, New Mexico and Oklahoma.
John S. Dennis, D.O.
- Osteopathic Medical Degree: Chicago College of Osteopathic Medicine
- Internship / Residency: Internship - Chicago College of Osteopathic Medicine
- Residency: Chicago College of Osteopathic Medicine and Fellowship at Michael Reese Medical Center & Harper Hospital-Detroit Medical Center
- Certification(s) / Memberships: Radiology – American Osteopathic Board of Radiology Certification, American College of Radiology, American Osteopathic College of Radiology, Radiologic Society of North America, American Roentgen Ray Society, and American Society of Neuroradiology
- Practicing Since: 1982
Dr. Dennis graduated with a bachelor’s degree in zoology from the University of Wisconsin then attended Chicago College of Osteopathic Medicine, where he obtained his doctorate in osteopathic medicine. He completed a fellowship in nuclear medicine at Michael Reese Medical Center and in neuroradiology at Harper Hospital-Detroit Medical Center, in Michigan. Dr. Dennis is the current Medical Director for Diagnostic Imaging Associates. He is licensed to practice in New Mexico and Oklahoma.
Jonathon Kirkland, D.O.
- Osteopathic Medical Degree: Oklahoma State University College of Osteopathic Medicine
- Internship / Residency: Midwestern University-Chicago College of Osteopathic Medicine and Interventional Radiology Fellowship-University of Minnesota
- Certification(s) / Memberships: American Osteopathic College of Radiology, Radiological Society of North America, and Society of Interventional Radiology
- Practicing Since: 2012
Dr. Kirkland, an Oklahoma native, graduated magna cum laude from University of Central Oklahoma with a BS in biology. Dr. Kirkland has special interest in interventional oncology and arterial interventions. An avid football fan, off time is often spent with his wife and two young children. He is licensed to practice in Arkansas, New Mexico and Oklahoma.
Judith Wolfstein, M.D.
- Medical Degree: Sackler School of Medicine
- Internship / Residency: General Surgery: University Hospitals of Cleveland, Diagnostic Radiology: Metrohealth medical Center Case Western Reserve University, and Fellowship Neuroradiology: Thomas Jefferson University Hospital
- Certification(s) / Memberships: American Board of Radiology Certification, CAQ Neuroradiology, and American Society of Radiology
- Practicing Since: 1998
Dr. Wolfstein graduated M.D. Magna Cum Laude. She continues to work mentoring medical residents at Oklahoma State University.
Dr. Wolfstein is licensed to practice in Kansas, Oklahoma, New Jersey, New Mexico and Pennsylvania.L. Danielle See, D.O.
- Osteopathic Medical Degree: Pikeville College of Osteopathic Medicine
- Internship / Residency: Oklahoma State University Medical Center
- Certification(s) / Memberships: American Osteopathic Association, American Osteopathic College of Radiology, and Radiological Society of North America
- Practicing Since: 2012
Dr. See received her B.S. in Biochemistry from Western Kentucky University. Dr. See has served as a representative for the medical community by attending D.O. Day on the Hill in Washington D.C. and was a S.O.M.A. Convention Delegate. Dr. See is licensed to practice in Arknsas, New Mexico, Oklahoma, Pennsylvania and Tennessee.
Michelle M. Ponder, M.D.
- Medical Degree: University of Oklahoma College of Medicine
- Internship / Residency: University of Oklahoma and Pediatrics-University of Oklahoma Children’s Hospital
- Certification(s) / Memberships: American College of Radiology, Radiological Sciences of North America, Radiologic Clinics of North America, Oklahoma State radiological Society
- Practicing Since: 2007
Dr. Ponder is a Board Certified Radiologist. She maintains academic appointment at both Oklahoma State University College of Osteopathic medicine and at Oklahoma University Medical Center as an adjunct professor. She is interested in women’s health issues. She is licensed to practice in New Mexico and Oklahoma.
Nicholas G. Bull, D.O.
- Osteopathic Medical Degree: Kansas City University of Medicine and Biosciences
- Internship / Residency: Oklahoma State University Medical Center
- Certification(s) / Memberships: Oklahoma Medical License
Dr. Bull is a recent graduate of Oklahoma State University Medical Centers 5 year categorical residency program in diagnostic radiology and currently is an adjunct clinical professor of radiology at Oklahoma State University Medical Center. Currently, his practice is a balanced mix of "interventional light", minimally invasive image guided procedures, performed at Woodward Regional Hospital in western Oklahoma; and general diagnostic radiology at many Oklahoma hospitals serviced by DIA. He is licensed to practice in New Mexico and Oklahoma.
Patrick O'Hayre, D.O.
- Osteopathic Medical Degree: Touro University College of Osteopathic Medicine
- Internship / Residency: Oklahoma State University Medical Center
- Certification(s) / Memberships: American Osteopathic Association, American College of Radiology, Radiological Society of North America
- Practicing Since: 2012
Dr. O’Hayre began his educational career at the University of Colorado at Boulder majoring in Biology. He then moved to Regis University in Denver, where he obtained his B.S. in Biology, graduating Cum Laude. Dr. O’Hayre currently works in general radiology handling with high volume radiological studies. He is licensed to practice in Colorado, New Mexico, Oklahoma and Pennsylvania.
Peter J. Mostert, D.O.
- Osteopathic Medical Degree: Oklahoma State University College of Osteopathic Medicine
- Internship / Residency: Oklahoma State University Medical Center and fellowship at Musculoskeletal Radiology, University of California Irvine
- Certification(s) / Memberships: American College of Radiology, Radiologic Society of North America, and American Roentgen Ray Society
- Practicing Since: 2013
Dr. Mostert received his general radiology training at Oklahoma State University Medical Center and then went on to receive additional training in orthopedic (musculoskeletal) imaging interpretation and procedures at University of California Irvine. He has strong interests in teaching and has served as a clinical instructor for radiology residents at both Oklahoma State University and University of California Irvine medical centers. He is licensed to practice in Arkansas, California, New Mexico and Oklahoma.
Ralph Noah, M.D.
- Medical Degree: The Medical College of Pennsylvania
- Internship / Residency: The Medical College of Pennsylvania
- Certification(s) / Memberships: American Board of Radiology, National Board of Medical Examiners, and Level II Reader Cardiac CTA
- Practicing Since: 1995
Dr. Noah has worked in private practice as well as in a teaching environment. He was an Instructor and Assistant Professor at Allegheny University Hospitals in Philadelphia, Pennsylvania. He currently serves as an Adjunct Clinical Assistant Professor of Radiology at the Oklahoma State University Center for Health Sciences. He is licensed to practice in Delaware, Kansas, New Jersey, New Mexico, Maryland, Oklahoma and Pennsylvania.
Sheila M. Taber, D.O.
- Osteopathic Medical Degree: Oklahoma State University
- Internship / Residency: Family Medicine Special Emphasis, Tulsa Regional Medical Center
- Certification(s) / Memberships: American Osteopathic Association, American Osteopathic College of Radiology, and American Roentgen Ray Society
- Practicing Since: 2002
Dr. Taber is the director of a telemammography program which began in 2007 with 3 analog sites. The program now includes over 40 telemammography sites that provide screening, diagnostic and breast ultrasound services in Oklahoma and New Mexico. Dr. Taber served on the Board of Directors for Oklahoma Project Woman, a non-profit organization that provides funding for mammograms, breast ultrasounds and assists patients in obtaining funding for all aspects of cancer therapy, to patients who cannot afford such services. She is licensed to practice in Kansas, New Mexico and Oklahoma.
Stephan A. Back, D.O.
- Osteopathic Medical Degree: Oklahoma State University Center for Health Sciences
- Internship / Residency: Oklahoma State University Medical Center
- Certification(s) / Memberships: American Osteopathic Association, American Osteopathic College of Radiology, American College of Radiology, Radiological Society of North America, Oklahoma Osteopathic Association, and Osteopathic Founders Foundation
- Practicing Since: 2011
After graduating college from Loyola University in New Orleans, LA, Dr. Back worked for Big Brothers and Sisters before attending medical school. While in medical school he worked as a library assistant and pharmacology researcher, co-authoring two editions of pharmacology flash cards with Elsevier publishing. He also served as chief of his intern class and earned intern of the year award. He served as the chief resident of the chief residency council during his fourth year of post graduate training. Dr. Back completed an ACR Mini-Fellowship in Musculoskeletal MRI: Commonly Imaged Joints and awarded Certificate of Proficiency. He is married and has a son. He and his wife are active in the Parent Child Center of Tulsa Toyland Ball and the Tulsa Zoo Waltz on the Wild. He is also a member of the Adult Congenital Heart Association. Dr. Back is licensed to practice in Kansas, New Mexico, Oklahoma and Pennsylvania.
Timothy McCay, D.O.
- Osteopathic Medical Degree: College of Osteopathic Medicine at Oklahoma State University
- Internship / Residency: Oklahoma State University Medical Center
- Certification(s) / Memberships: National Board of Osteopathic Medical Examiners
- Practicing Since: 2005
Dr. McCay received his medical degree from the College of Osteopathic Medicine at Oklahoma State University. Prior to that, he completed two undergraduate degrees—one in nuclear medicine at the University of Oklahoma Health Sciences Center and the other in chemistry. While working on a second bachelor’s of science degree, Dr. McCay conducted research on nuclear medicine cardiovascular imaging. Dr. McCay completed his residency in radiology at Oklahoma State University Medical Center where he also served as Chief Intern. He is licensed to practice in New Mexico and Oklahoma.