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Katherine R. Tuttle, MD
Executive DirectorBio SHot KR Tuttle MD for Research
Dr. Tuttle's research interests are in the areas of diabetic kidney disease, hypertension, renal vascular disease and nutrition. She is associate editor of the American Journal of Kidney Diseases. Dr. Tuttle is co-chair of the National Kidney Foundation, Kidney Disease Outcomes Quality Initiative Workgroup for Diabetes and Chronic Kidney Disease and the chair of the Healthcare Provider Workgroup for the National Diabetes Education Program (National Institutes of Health). She is also co-chair of the Institutional Review Board-Spokane, which oversees the protection of human subjects in clinical research. She serves on the boards of the Washington Technology Center and the College of Sciences at Washington State University.

Dr. Tuttle has received the Outstanding Clinical Faculty award and is a Clinical Professor of Medicine at the University of Washington School of Medicine. She has a dual appointment as professor of Basic Medical Sciences in the WWAMI program of Washington State University. Dr. Tuttle holds fellowships in the American College of Physicians and the American Society of Nephrology. She also is currently a member of the Scientific Evaluation Board for the National Kidney Disease Education Program.

Read more about Katherine Tuttle in this article from Sacred Heart Medical Center's HeartBeat publication.
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Primary Investigators

The following physicians represent a number of specialties as primary investigators, including nephrology, oncology, cardiology, neuro-radiology, psychiatry and endocrinology, plus the pediatric focus of many of those genres.

  1. Chris Anderson, MD Pediatric Cardiology
    Charles Christian ("Chris") Anderson, MD attended Texas A&M University where he received his B.A. in Biology. He then attended Baylor College of Medicine in Houston, TX, receiving his M.D. in 1993. After completing a surgical internship in Houston, he spent a year on sabbatical, performing research in preclinical gene therapy studies and working in the emergency room. In 1995 he started his Pediatrics training at Baylor College of Medicine affiliated hospitals, which he completed in 1998. He moved to Los Angeles and was trained in Pediatric Cardiology at the Mattel Children's Hospital at UCLA from 1998 to 2001. He then went on to further subspecialize in Pediatric Electrophysiology at Children's Memorial Hospital in Chicago from 2001 to 2002. Chris' clinical interests include arrhythmia management, Wolff-Parkinson-White syndrome, congenital Long QT syndrome, and management of cardiomyopathy. Dr. Anderson is board certified in both Pediatrics and Pediatric Cardiology.

  2. Jayson S. Brower, MD    Diagnostic Radiology and Interventional & Vascular Radiology  
    Dr. Brower attended medical school at St. Louis University School of Medicine and completed his internship at the University of California.  He completed his residency at the University of California - Davis and a Vascular & Interventional Radiology Fellowship at Bringham and Women's Hospital.  Dr. Brower is board certified in Diagnostic Radiology and Vascular & Interventional Radiology.

    Pamela Burg, MD  Pediatric Cardiology
    Dr. Burg is active in both outpatient and inpatient practice of pediatric cardiology, including the care of postoperative pediatric cardiac patients in the intensive care unit. While she enjoys all aspects of general pediatric cardiology, she has continued her emphasis on echocardiography. She is currently establishing fetal echocardiographic and consulting services for the Inland Northwest.

    Richard W.Carson, MD Nephrology
    Dr. Carson received his medical degree from the Medical College of Georgia and completed his residency at the University of Texas Medical Branch. His special interests include kidney and pancreas transplantation and medical care of multi-organ transplant patients. He is board certified in Internal Medicine and Nephrology.

    Stuart Cavalieri, MD  Cardiology
    Dr. Cavalieri received his medical degree from the University of Chicago and completed his residency at Oregon Health Sciences University. His other areas of special interest include Peripheral Vascular. Dr. Cavalieri is board certified in Internal Medicine, Cardiovascular Disease and Interventional Cardiology.

    Arvind Chaudry, MD  Hematology/Oncology
    Dr. Chaudhry received his medical degree from Christian Medical College in Punjab, India in 1989.and completed his Doctoral thesis in neuroendocrine tumors from Uppsala University, Uppsala, Sweden. He then completed a residency at S.U.N.Y. Health Sciences Center in Syracuse, New York. and a fellowship at the National Cancer Institute in Bethesda, Maryland in 1998. 

    N. Roger Cooke, MD Neurology
    Dr. Cooke received his medical degree from Yale University and completed his residency at the Mayo Clinic in Rochester, MN. His clinical interests include all types of neurological problems: nerve conduction tests, electromyography, electroencephalography. Dr. Cooke is board certified in Neurology and is the Neurologist  for the  Providence Holy Family Multiple Sclerosis Center.

    Joseph A. Davis, M.D.   Specialty: Vascular Surgery
    Dr. Davis attended college at Southwest Missouri State University and Medical School at the University of Kansas School of Medicine. He completed his residency in General Surgery at the University of Kansas School of Medicine and Fellowship in Vascular Surgery at the University of Arkansas. Dr. Davis is Board Certified in General Vascular Surgery.

    Judy Felgenhauer, MD Pediatric Hematology/Oncology
    Dr. Felgenhauer participates in many research studies on a national level, ensuring the most up-to-date care available for her patients.

    Angelo Ferraro, MD  Cardiology
    Dr. Ferraro received his medical degree from Georgetown University and completed his residency at St. Francis/University of Connecticut. He is board certified in Interventional and Nuclear Cardiology.

    Carl Garabedian, MD  Pediatric Cardiology
    Dr. Carl Garabedian has focused on bringing new techniques to the cardiac catheterization laboratory. These techniques allow children to avoid heart surgery for common conditions such as atrial septal defects, patent ductus arteriosus, coarctation of the aorta and patent foramen ovale associated with stroke. Other techniques such as coil embolization of vessels, angioplasty and stenting of narrowed vessels allow children and adults with congenital heart disease to minimize the number of operations required. He is dedicated to caring for all children with congenital heart disease and frequently travels on medical missions with Heart Care International.

    Madeline Geraghty, MD  Neurology
    Dr. Geraghty completed her medical school training at the University of California, San Francisco.  Moving to colder climates, she completed her residency in General Neurology at the University of Wisconsin Hospital and Clinics where she also served as the Chief Resident during her final year.  She has completed a fellowship in Vascular Neurology and is board certified in both General and Vascular Neurology.  Dr. Geraghty currently works at Providence Sacred Heart Medical Center & Children's Hospital, serving as the Medical Director of the Comprehensive Stroke Center. 

    Michael Gillum, MD Infectious Diseases
    Dr. Gillum obtained his medical degree from the University of Washinton in 1983 and completed his residency in Internal Medicine at Main Medical Center. He also completed a clinical and research fellowship in Infectious Disease at the University of Wisconsin Hospital and Clinics. Dr. Gillum is board certified in Internal Medicine and Infectious Disease. He is also an associate clinical professor of medicine for the University of Washington.


  3. Joel Hernandez, MD Pediatric Nephrology
    Dr. Hernandez (Or "Dr. Bananas" as he is known to his pediatric patients) received his medical degree from the University of the Philippines. He completed his Residency at the  Children's Hospital of Michigan and Fellowship at Mattel Children's Hospital, Los Angeles, California.

    Timothy Icenogle, MD  Cardiovascular/Thoracic Surgery
    Dr. Icenogle received his medical degree from the University of New Mexico School of Medicine and his residency at the University of Arizona, Tucson. Dr. Icenogle's other area of specialization is mechanical hearts. He is board certified in Cardiothoracic and Transplant Surgery.

    Christopher Kishiyama, MD Pediatric Endocrinology
    Dr. Kishiyama received his medical degree from the University of Colorado School of Medicine. He completed his residency at Children's Memorial Hospital (Northwestern University) and fellowship at The Children's Hospital at Denver where he served as a Principal or Co-Investigator on several research studies in the area of Type 1 Diabetes. 

  4. Timothy Lessmeier, MD  Cardiology
    Dr. Lessmeier received his degree in medicine from the University of Iowa School of Medicine in 1985. His Internal Medicine Residency was completed at Sacred Heart Medical Center in Spokane. He completed a three-year Cardiology Fellowship and a one-year Electrophysiology Fellowship at Wayne State University in Detroit, Michigan. Dr. Lessmeier is also Board Certified in Clinical Cardiac Electrophysiology.


  5. M. Shane McNevin, MD     Colon and Rectal Surgery
    Dr. McNevin is a graduate of Wayne State University School of Medicine, Detroit, MI. He completed his residency at Barnes-Jewish Hospital and a fellowship in Colon and Rectal Surgery at the University of Minnesota. His clinical interests include colorectal and anal tumors, inflammatory bowel disease and pelvic floor disorders. Dr. McNevin is board certified in General Surgery/Colon and Rectal Surgery.

    Stephen Murray, MD  Vascular Surgery
    Dr. Murray attended Oral Roberts University, Tulsa, Oklahoma and Oral Roberts University School of Medicine. He completed his residency at Letterman Army Medical Center, Presidio of San Francisco, CA and a fellowship in Peripheral Vascular Surgery, at the University of California, San Francisco, CA. Dr. Murray is  Board Certified in General Vascular Surgery

    Thomas Pellow, MD Vascular Surgery
    Dr. Pellow attended Walla Walla College, College Place, WA and
    Medical School at Loma Linda University, Loma Linda, CA. He completed his residency at Loma Linda University Medical Center, Loma Linda, CA
    He completed a fellowship in Vascular Surgery at  Loma Linda University Medical Center, Loma Linda, CA. Dr. Pellow is Board Certified in General Vascular Surgery .

    Rodney Raabe, MD   Interventional Radiology/ Neuroradiology
    Dr. Raabe attended medical school at the University of Oregon. He completed his residency at the University of Utah. He then completed fellowships in Ultra Sound /CT and Angiographic & Interventional Radiology at the University of Utah. Dr. Raabe chaired the national "Legs for Life" program to promote screening and awareness for peripheral vascular disease. He has also been a Primary Invstigator or involved in the leadership of several national multi-center trials.

    Michael Ring, MD  Cardiology
    Dr. Ring received his undergraduate degree at UCLA and graduated from Vanderbilt Medical School in 1982. He completed his Internal Medicine Residency and Cardiology Fellowship at the University of Arizona followed by an Interventional Cardiology Fellowship at Boston University in 1989. Dr. Ring has practiced in Spokane since 1990 with the exception of one year spent teaching at the University of Connecticut in 2005. He is a past president of the Spokane County Medical Society and currently serves as Medical Director of the Cardiac Services Line and Cardiac Catheterization Laboratories at Sacred Heart Medical Center. Dr. Ring is board certified in Cardiology and Interventional Cardiology. His clinical interests include interventional cardiology and peripheral vascular disease.

    David Sandler, MD  Cardiovascular/Thoracic Surgery
    Dr. Sandler received his medical degree from First Leningrad Medical School and residencies at Boston University and the University of Western Ontario. His other areas of specialization include TMR/Mechanical Hearts. Dr. Sandler is board certified in Cardiothoracic and Transplant Surgery.

    Leland Siwek, MD  Cardiovascular/Thoracic Surgery
    Dr. Siwek received his medical degree from Harvard MedicalSchool and residencies at Harvard's Massachusetts General Hospital. He completed additional Fellowships at the National Institutes of Health, and was the Cardiac Surgery Chief Resident at Boston Children's Hospital. His areas of particular interest include Congenital Heart Disease, Mitral Valve Repair, Complex Aortic Valve Surgery and Minimally invasive (especially Robotic) heart surgery.

    Carla Smith, MD, PhD    Orthopaedic Surgery and Orthopedic Trauma
    Dr. Smith earned her medical degree and PhD at Baylor College of Medicine in Houston, Texas. She completed her internship in Surgery and residency in Orthopedics at the University of Washington.  Her fellowships include Orthopedic Trauma at the University of Zurich and at Harborview Medical Center in Seattle, Washington.  She began her international experience with a fellowship through the Orthopedic Research and Education Foundation in Thimphu, Bhutan.  She is a board member and volunteer surgeon with the Surgical Implant Generation Network, Richland, Washington, and supports and coordinates the seven affiliated hospital programs in Nepal.  Her research interests include the care of the fragility fracture patient, outcomes after medullary nailing of long bones in the austere environment, and the care of the trauma patient.  She is an active clinician, providing care for trauma and fracture patients in Spokane and travels regularly to teach and promote fracture care throughout the world.

    Sandy L. Tidwell, RN, MN, ARNP  Wound Care
    Sandra attended college at Pacific Lutheran University, earning a B.S. in Nursing. She also completed a Master of Nursing at the University of Washington and obtained her ARNP degree at Seattle Pacific University. Sandra is a nurse practitioner at Inland Vascular Institute and Providence Sacred Heart Wound clinic. She is a member of the American Heart Association/Washington Affiliate, AHA Council on Cardiovascular Nursing, American Association of Critical Care Nurses, and Sigma Theta Tau.   

    Jorge Enrique Tolosa, MD, MSCE    Perinatology, Obstetrics and Gynecology
    Dr. Tolosa earned his medical degree at Pontificia Universidad Javeriana (PUJ) in Bogotá, Colombia and his MSCE at the University of Pennsylvania.  He completed residencies in OB/GYN at the PUJ and the Pennsylvania Hospital (PH) in Philadelphia and fellowship in Maternal Fetal Medicine at PH.  Dr. Tolosa has a special interest in preterm birth (PTB), medical complications of pregnancy, prenatal diagnosis and ultrasound.  His research interests include prevention of PTB and low birth weight, exposures in pregnancy (tobacco and pesticides) and ultrasound use in pregnancy.  He founded and coordinates the Global Network for Perinatal and Reproductive Health (GNPRH) (http://www.gnprh.org/), to improve the health of mothers and babies in low and middle income countries.  He is the principal investigator for the Maternal Fetal Medicine Units Network of the NICHD-NIH, at Oregon Health & Science University in Portland, Oregon.  He established a site of this network at Providence Sacred Heart Medical Center & Children's Hospital.

    Angela D. Trobaugh-Lotrario, MD    Pediatrics/Pediatric Hematology-Oncology
    Dr. Trobaugh-Lotrario earned her medical degree at the Northwestern University Medical School in Chicago, Illinois.  She completed her Pediatric residency and Pediatric Hematology/Oncology fellowship at the University of Colorado Health Sciences Center.  She is board certified in Pediatrics and Pediatric Hematology/Oncology.  She participates in various clinical research studies and is a member of the Rhabdoid Tumor Working Group and the Liver Tumor Subcommittee of the Rare Tumors Committee with the Children's Oncology Group.  Her interests are in rare tumors, especially liver tumors.

    Kathleen S. Webb, MD Neonatology
    Dr. Webb received her medical degree from the University of Washington School of Medicine. She completed a Pediatrics residency at Suny Health Science Center and a Fellowship in Neonatology. Dr. Webb is board certified in Pediatrics and Neonatal-Perinatal Medicine.

    Neil Worrall, MD  Cardiovascular/Thoracic Surgery
    Dr. Worrall earned his medical degree at Washington University in St. Louis, Missouri. He completed a general surgery internship, residency and research fellowship at Barnes Jewish Hospital/Washington University in St. Louis and a cardiothoracic surgery residency at Brigham and Women's Hospital in Boston residency. His areas of interest are congenital heart and acquired cardiovascular diseases and he performs valve repair, coronary bypass grafting and aortic root and thoracic aortic surgery.

    Christopher Zylak, MD  Neurointerventional Radiology/Interventional Radiology/Neuroradiology
    Dr. Zylak attended medical school at Queen's University at Kingston  and  completed his internship at Tucson Hospital's Medical Education Program. He completed his residency at the University of Arizona and an Interventional Radiology Fellowship at The Miami Cardiac & Vascular Institute; and a fellowship in Neurointerventional Radiology at Oregon Health and Sciences University



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