Physicians

Charles Zachem III, DO, FASN

  • DO: Ohio University College of Osteopathic Medicine, Athens, OH
  • Residency: Maine Medical Center, Portland, ME
  • Fellowship: University of Washington, Seattle, WA
  • Board Certification: Internal Medicine, Nephrology, Fellow American Society of Nephrology
  • Patient Care Emphasis: Acute Renal Failure, Critical Care Nephrology, Glomerulonephritis and Transplantation

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William Gutheim, MD

  • MD: Medical College of Virginia, Richmond, VA
  • Residency: Brook Army Medical Center, Fort Sam Houston, TX
  • Fellowship: Medical College of Georgia, Augusta, GA
  • Board Certification: Internal Medicine, Nephrology, Clinical Hypertension
  • Patient Care Emphasis: Hypertension, General Nephrology

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Robert Hartley, MD

  • MD: Temple University School of Medicine, Philadelphia, PA
  • Residency: University of Utah School of Medicine, Salt Lake City, UT
  • Fellowship: University of Utah School of Medicine, Salt Lake City, UT
  • Board Certification: Internal Medicine, Nephrology
  • Patient Care Emphasis: Hypertension, General Nephrology, Electrolyte Abnormalities

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Mary Labib, MD

  • MD: University of Washington, School of Medicine, Seattle WA
  • Residency: University of Washington, Department of Internal Medicine, Seattle, WA
  • Fellowship: Oregon Health Sciences University, Division of Nephrology and Hypertension, Portland, OR
  • Board Certification: Internal Medicine, Nephrology
  • Patient Care Emphasis: General Nephrology, Glomerulonephritis, Critical and Acute Care

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Ramesh Marahatta, MD

  • MD: Tribhuvan University, School of Medicine, Kathmandu Nepal
  • Residency: Weill Cornell Medical College, Wyckoff Heights Medical Center, Brooklyn NY
  • Fellowship: Louisiana State University, Department of Internal Medicine
  • Board Certification: Internal Medicine, Nephrology
  • Patient Care Emphasis: Hypertension, General Nephrology

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Shalin Sanghvi, MD

  • MD: Michigan State College of Medicine, East Lansing, MI
  • Residency: University of Wisconsin Hospital and Clinics, Madison, WI
  • Fellowship: University of Wisconsin Hospital and Clinics, Madison, WI
  • Board Certification: Internal Medicine, Nephrology
  • Patient Care Emphasis: Hypertension, General Nephrology, Interventional Nephrology

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Mike Mallea, MD

  • MD: University of Utah School of Medicine Salt Lake City UT
  • Residency: University of Washington Seattle WA
  • Fellowship: University of Washington, Seattle WA
  • Board Certification: Internal Medicine, Nephrology
  • Patient Care Focus: Hypertension, General Nephrology

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Advanced Care Clinicians

Lucy Barton, PA-C

  • Physician Assistant Program: University of South Carolina, Columbia, SC
  • Patient Care Emphasis: Dialysis, Dialysis Education, and General Nephrology

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Lindsay Brooks, PA-C

  • Masters in Health Sciences: Duke University, Durham, NC
  • Physician Assistant Program: Duke University School of Medicine, Durham, NC
  • Patient Care Emphasis: Dialysis, Dialysis Education, and General Nephrology

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Jennifer Mckinney, PA-C

  • Physician Assistant Program: Clarkson University, Potsdam, NY
  • Patient Care Emphasis: Chronic Kidney Disease, Hypertension, and General Nephrology

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Lynn Wood, PA-C

  • Physician Assistant Program: St. John’s University, NY, NY
  • Patient Care Emphasis: Dialysis, Dialysis Education, and General Nephrology

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Founders and Partners Emeritus (Retired)

Dr. Emily B. Fergus, MD

  • Education: University of Pittsburgh School of Medicine
  • Internship: Presbyterian Hospital, Pittsburgh, PA
  • Residencies: Presbyterian Hospital, Pittsburgh, PA, King County Hospital, Seattle, WA
  • Fellowship: University of Pittsburgh School of Medicine, Pittsburgh, PA

Dr. Mattox L. Purvis Jr., MD

  • Education: Emory University School of Medicine, Atlanta, GA
  • Internship: Grady Memorial Hospital, Atlanta, GA
  • Residency: Grady Memorial Hospital, Atlanta, GA
  • Fellowship: Emory University School of Medicine, Atlanta, GA

Dr. James V. Walker Jr., MD

  • Education: Case Western Reserve University School of Medicine, Cleveland, OH
  • Internship: University Hospital, Cleveland, OH
  • Residencies: University Hospital, Cleveland, OH, Strong Memorial Hospital, Rochester, NY

Dr. Reed F. Kratka, MD

  • Education: University of Southern California School of Medicine, Los Angeles, CA
  • Internship: Oregon Health & Science University, Portland, OR
  • Residency: Oregon Health & Science University, Portland, OR