Life Line Screening prides itself on providing accurate and clinically relevant health information to our customers. We have a dedicated team of healthcare providers with excellent credentials. The Clinical Management Team works hard to ensure the highest level of quality control throughout our process. Our board-certified, licensed Reviewing Physicians then review the results before they are sent to participants.
Clinical Management Team
Karen Rená Law, BS, RDMS, RVT, RDCS
Director of Clinical Operations
Registered Vascular Technologist
Registered Diagnostic Cardiac Sonographer
Registered Diagnostic Medical Sonographer with the American Registry of Diagnostic Medical Sonographers
BS in Diagnostic Medical Sonography
Terri Burdette, BS, RDMS, RVT
Clinical Manager
Registered Vascular Technologist
Diagnostic Medical Sonographer with the American Registry of Diagnostic Medical Sonographers
BS in Diagnostic Medical Sonography
Betty Layton, AS, RN, RVT
Clinical Manager
Registered Nurse
Registered Vascular Technologist with the American Registry of Diagnostic Medical Sonographers
AS in Nursing
Reviewing Physicians
Andrew Manganaro, MD, FACS, FACC
Years practicing: 36 years; 27 years as vascular and cardiothoracic surgeon; 12 years reviewing at Life Line Screening
Current positions: Chief Medical Officer at Life Line Screening, Governing Board of the Kettering Cardiovascular Institute of Kettering Medical Center
Education: BA from Fordham University; MD from New York University School of Medicine
State licenses: Delaware, Iowa, Illinois, Indiana, Kansas, Kentucky, Maryland, Michigan, North Dakota, New Hampshire, New Jersey, New Mexico, New York, Ohio, Virginia, Wisconsin
John Douglas Frusha, MD, FACS, RVT
Years practicing: 24 years; 5 years reviewing at Life Line Screening
Current positions: Vascular Surgeon
Education: Louisiana State Medical Center
Professional organizations: Vascular Surgery Associates
State licenses: Kansas, Louisiana, Missouri, Mississippi, Texas
George K. Massing, MD
Years practicing: 36 years; 8 years reviewing for Life Line Screening
Education: Case-Western Reserve University
Professional organizations: Mobile Infirmary Medical Center
State licenses: Alabama, Mississippi, Texas
Lisa Marie Sheppard, MD
Years practicing: 15 years; 11 years reviewing for Life Line Screening
Current positions: Reader of all imaging modalities (including MRI, CT, ultrasound, densitometry, mammography, and x-ray) for several imaging centers
Education: BS in Physics from St. Joseph’s University; MD from the Jefferson Medical College; Certificate of Added Qualifications (CAQ) in Neuroradiology; Certificate in Densitometry
Professional organizations: American College of Radiology, American Society of Neuroradiology, American Roentgen Ray Society, Radiologic Society of North America, International Society for Clinical Densitometry
State licenses: Connecticut, Delaware, Florida, Idaho, Indiana, Maine, Maryland, Massachusetts, Michigan, Montana, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, West Virginia
Kenneth C. Shull, MD, RVT
Years practicing: 29 years; 3 years reviewing for Life Line Screening
Current positions: Private practitioner
Education: BS and MD from the University of South Carolina
Professional organizations: American Board of Surgery, American Registry of Diagnostic Medical Sonographers, American College of Surgeons, American Medical Association, Guilford County Medical Association, International Society for Endovascular Surgery, North Carolina Medical Society
State licenses: Alabama; Washington, DC; Iowa; Maryland; North Carolina; South Carolina
Overseas experience: Argentina, Zambia, Haiti, Sierra Leonne
J. Robert Thompson, MD
Years practicing: 35 years; 8 years reviewing for Life Line Screening
Current positions: Radiology consultant at Evans Army Community Hospital in Colorado Springs
Education: BA from Northwestern University; MD from Northwestern University Medical School
Professional organizations: Evans Army Community Hospital
State licenses: Colorado, California, Oklahoma, Oregon, Washington, Wyoming
Stephen D. Torpy, MD
Years practicing: 29 years; 7 years reviewing for Life Line Screening
Current positions: Private practitioner
Education: BS in Medicine; MD from the University of Nebraska
Professional organizations: American Board of Surgery, Alpha Omega Alpha Medical Honor Society, Fellow American College of Surgeons, Midwest Clinical Society, American College of Phlebology
State licenses: Nebraska, Wisconsin, Iowa, Minnesota
Michael Allen Fox, MD
Years practicing: 14 years; 8 years reviewing for Life Line Screening
Current positions: Practitioner with the Colorado Springs Health Partners;Clinical Instructor of Radiology at the University of Colorado
Education: BS in Electrical Engineering from the University of Colorado; MS in Electrical Engineering from Stanford University; MD from Thomas Jefferson University
Professional organizations: Certified with the American Board of Radiology with a Special Competency in Nuclear Medicine
State licenses: California, Colorado, Oklahoma, Oregon, Nevada, Washington
Glenn Pierce Gardner, MD, RVT, FACS
Years practicing: 15 years; 2 years reviewing for Life Line Screening
Current positions: Practitioner with the University of Missouri Health Care in the Department of Surgery; Board-certified in both general surgery and vascular surgery
Education: BA in Biology; MD from Indiana University
Professional organizations: Society for Vascular Surgery, American Association for Vascular Surgery, Midwestern Vascular Surgery Society, Peripheral Vascular Surgical Society
State licenses: Kentucky, Missouri, Mississippi, Pennsylvania, West Virginia
Guy G. Lemire, MD, FRCS (C), FACS (THOR)
Years practicing: 33 years; 2 years reviewing for Life Line Screening
Current positions: Practitioner with Prospect Medical Group, Monarch Medical Group, Healthcare Partners, CHOC, Kaiser, Prime Partners Medical Group, Accountable Health
Education: MD from Laval University
Professional organizations: Royal College of Physicians of Canada, American College of Surgeons, American Medical Association, California Medical Association, Los Angeles Medical Association
State licenses: Arkansas, California, Connecticut, Indiana, Maine, Utah
William M. Blackshear, Jr., MD
Years practicing: 29 years; 8 years reviewing for Life Line Screening
Current positions: Attending surgeon at Tampa General Hospital, Suncoast Hospital, Northside Hospital in Florida
Education: BS in Chemistry from Duke University; MD from Tulane University School of Medicine
Professional organizations: American Board of Surgery, National Board of Medical Examiners, Louisiana State Board of Medical Examiners
State licenses: Florida, Louisiana, Washington, Georgia, Nebraska, Arizona, Minnesota, Iowa, Alabama, Pennsylvania
