Internal Medicine Residency Program

Program leadership

Program Director

Daniel J. Gilden, M.D. 

Dr. Gilden is originally from St. Louis, Missouri. He earned a Bachelor of Science at Stanford University and went on to complete his MD at University of Missouri-Columbia. He then returned to California to complete an internal medicine residency at Stanford University. After residency, Dr. Gilden worked as a Primary Care Provider at Santa Clara Valley Medical Center. He began working at Legacy in 1990, where he continued his outpatient medicine career and eventually ran the Emanuel Resident Clinic. After working in outpatient medicine for 10 years, he made a transition to Inpatient Medicine and began as a Legacy Hospitalist in 1998. He became the program director of the Internal Medicine Residency Program in 2011.

Dr. Gilden’s interests include treatment of those with substance use disorder (specifically opiates), diagnostic medicine, system-based quality improvement, and evidence based medicine with review of peer reviewed journal articles which he incorporates into the curriculum for the residents and medical students.

Outside of work, Dr. Gilden is a crossword enthusiast and an avid cyclist. He has ridden most of the famous European mountains. In April 2017, Dr. Gilden completed a cycling trip across the United States.

Associate Program Directors

Elizabeth Estabrook, M.D. 

Dr. Elizabeth Estabrook was born and raised in Buckinghamshire, England, where she did most of her undergraduate and post graduate education. She attended Medical School at University of Southampton. She completed a 2 year Foundation Residency in Southampton University Hospital, England prior to moving to the USA to complete Internal Medicine Residency at Legacy Health. Dr. Estabrook was the Chief Medical Resident of the Legacy Internal Medicine Residency Program in 2013. Dr. Estabrook now works as a Teaching Hospitalist at Legacy and in April 2017, became an Associate Program Director of the Residency Program. Dr. Estabrook has consistently been involved in medical student and resident education. She acts as the Medical Student Education Coordinator for Internal Medicine at Legacy.  Her teaching interests include bedside examination, clinical reasoning and student curriculum development.  In her spare time Dr. Estabrook enjoys travel and spending time with her husband and children.

Paula Folger, M.D. 

Dr. Paula Folger is from Nebraska, were she did her undergraduate education at Midland University, and medical school at the University of Nebraska Medical Center, graduating in 2004.  She moved to Portland for her Internal Medicine Residency training at Legacy Health, and was chief medical resident in 2008.  She completed a Geriatric Medicine fellowship at Oregon Health and Sciences University in 2009, and following that returned to Legacy as a Long Term Care Geriatrician.  Dr. Folger has been an Associate Program Director of the Internal Medicine Residency Program since 2012. She works to develop residency curriculum and manages subspecialty rotations and electives for residents.  Dr. Folger is Medical Director of Marquis Piedmont and Marquis Mt. Tabor Post-Acute Rehab Facilities. Residents rotate with her in the nursing home as part of their geriatric curriculum.  Her clinical and teaching interests include care transitions and health care systems, with a focus on geriatric care.  Dr. Folger is the mother of two young boys, so her spare time currently includes breaking up fights over toys, nagging small children to put their shoes on, and learning all she can about rocks, sharks, and snakes.

Leonard Mankin, M.D.

Dr. Lenny Mankin is originally from Los Angeles, California. He earned a Bachelor of Science at UCLA and went on to complete his MD at Dartmouth, in New Hampshire. He then returned to California to complete Internal Medicine Residency at UCLA/Olive View. Dr. Mankin was the Chief Medical Resident of Internal Medicine and then became an Associate Professor at UCLA. He worked in both the inpatient and outpatient setting for ten years at UCLA before moving to Portland, Oregon. In Portland, worked primarily in outpatient internal medicine and taught at OHSU as an Associate Professor. He began at Legacy Health in 2007, when he became an Associate Program Director of the Internal Medicine Residency Program at Good Samaritan and Emanuel Hospitals. His academic interests include hypertension, hyperlipidemia and diabetes. He is a Fellow of the American College of Physicians and presents nationally on these topics.  His residency interests include evidence based teaching, outpatient medicine education and resident well-being. Outside of work, Dr. Mankin is a trivia guru. He competes locally and also hosts trivia night at the Oregon Chapter of the American College of Physicians.  In addition, Dr. Mankin enjoys playing soccer, exploring the outdoors and spending time with his family.

Karen Weis, D.O.

Dr. Karen Weis was born in Newark, New Jersey and raised in San Diego, California. She earned her bachelor's degree at the University of California, at Berkeley, in Molecular and Cell Biology, and went on to receive her medical degree at Western University College of Osteopathic Medicine of the Pacific in Pomona, California. She relocated to the great Pacific Northwest in 2010 to complete her residency in Internal Medicine here at Legacy Emanuel and Good Samaritan Medical Centers. She was a chief medical resident with Dr. Elizabeth Estabrook, and joined the hospitalist teaching faculty in 2014. With Dr. Gilden, she published a Clinical Problem Solving case she had in residency in the New England Journal of Medicine. She became an Associate Program Director in 2019 and is working hard to revamp the resident educational curriculum across the board. Dr. Weis manages the subspecialty rotations and electives, is the preceptor for the Evidence Based Medicine (EBM) elective, and is the faculty lead for resident journal club. Her clinical and teaching interests extend beyond curricular development and include motivational interviewing and communication, end-of-life care, and well-being of residents and peers. Outside the hospital and office, she fills her time hiking, camping, going rogue with recipes, sending inspirational pages and texts, spending time with her colleagues and napping. She enjoys raising her family with her husband in the beauty of Portland and all this great region has to offer.