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Providers

Physicians

Edward H. Schultheiss

Edward H. Schultheiss, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

Dr. Schultheiss earned his Medical Degree from the University of Illinois. His Internal Medicine training was at Oregon Health & Sciences University. He completed his Gastroenterology fellowship at the University of Utah in 1989.

Robert J. Ponec

Robert J. Ponec, M.D., F.A.C.P., F.A.C.G.

Board Certified Internal Medicine, Board Certified Gastroenterology

Dr. Ponec graduated from Stanford University and earned his Medical Degree at the University of Southern California. His Internal Medicine training was at UCLA. He completed his Gastroenterology fellowship at the University of Washington in Seattle in 1997.

Lawrence K. Gates

Lawrence K. Gates, Jr., M.D., F.A.C.P., F.A.C.G., A.G.A.F

Board Certified Internal Medicine, Board Certified Gastroenterology, Board Certified Nutrition Support

Dr. Gates graduated from Duke University School of Medicine, where he completed his Internal Medicine internship and residency. He completed a Gastroenterology fellowship at the Mayo Clinic and was an Associate Professor at…

Makkalearn Em

Makkalearn Em, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

Dr. Em is a graduate of Harvard College and the University of Pennsylvania School of Medicine. He did his residency and was chief resident in Internal Medicine at the University of California, Irvine. Em’s specialty is Gastroenterology, with emphasis on…

Patricia C. Kao

Patricia C. Kao, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

Dr. Kao graduated from Virginia Commonwealth University and earned her medical degree from the University of Virginia. She completed her Internal Medicine residency training and Gastroenterology fellowship at the University of Vermont.

Katherine Hoda

Katherine Hoda, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

Dr. Hoda was born and raised in the Willamette Valley, completed her undergraduate studies at Oregon State University, and earned her medical degree at Oregon Health & Sciences University. Following medical school she spent six years at…

Richard Brandes

Richard Brandes, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

A native of Oregon, Dr. Brandes earned a Bachelor of Science in English at Willamette University and earned his Medical Degree at Oregon Health & Sciences University. He spent six years in Albuquerque, New Mexico, where he completed…

Nabil Choueiri

Nabil Choueiri, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

Falguny Bhavan

Falguny Bhavan, M.D.

Board Certified Internal Medicine, Board Certified Gastroenterology

Physicians Assistants

Daniel C. Butler

Daniel C. Butler, PA-C, M.S., M.P.A.S.

National Certification as a Physician Assistant

Daniel C. Butler PA-C is a graduate of University of Iowa College of Medicine Physician Assistant Program, where he completed both his physician assistant certification and a Master of Physician Assistant Studies degree. Prior to admission…

Amy Ditzel

Amy Ditzel, PA-C

National Certification as a Physician Assistant

Amy Ditzel, PA-C is a graduate of the Seton Hall University, where she studied…

Mindy Glivinski

Mindy Glivinski, PA-C, M.P.A.S.

National Certification as a Physician Assistant

Mindy Glivinski, PA-C is a graduate of the Oregon Health & Science University School of Medicine Physician Assistant Program, where she earned…

Michael Slabaugh

Michael Slabaugh, PA-C

National Certification as a Physician Assistant

Michael Slabaugh, PA-C is a graduate of Rosalind Franklin University of Medicine and Science, where he earned…

Dietician

Denise Cedar

Denise Cedar, RD, LD, CDE

Registered Dietitian, Certified Diabetes Educator

Denise is a Registered Dietitian and Certified Diabetes Educator with 23 years’ experience in Medical Nutrition Therapy. She earned a Bachelor of Science in Dietetics at California State University, Fresno, in 1988; completed her dietetic internship at…

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