Medical Directors/Physicians

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Chief Medical Officer

Dr. Mary Dittrich

Dr. Dittrich is Chief Medical Officer and Executive Vice President of U.S. Renal Care as well as Co-Founder and Partner of Boise Kidney & Hypertension Institute. Dr. Dittrich earned her medical degree from the University of Colorado Health Sciences Center in Denver, Colorado. She completed a residency at the University of Washington Hospital, where she also served as Chief Resident. She went on to complete fellowship training in Nephrology at the University of Washington, where she also worked in the area of transplantation.

Board certified: Internal Medicine and Nephrology

Medical Director

Dr. Jeremy Gitomer

Dr. Gitomer has been in practice in Anchorage since 2002. He received his MD from University of Texas Medical School, where he also completed his Residency and Fellowship. He is currently Medical Director of the Liberty Dimond Dialysis, Liberty Denali Dialysis, Providence Renal Care Unit, and Alaska Regional Renal Unit. You will often see him speaking at various venues. He appreciates the long term connections he develops with his patients through managing their illness. He enjoys family, traveling, and riding his fat tire bike.

Board certified: Internal Medicine, Pediatric Nephrology and Adult Nephrology

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Medical Director

Dr. David Lefler

After graduating from the West Virginia School of Osteopathic Medicine (WVSOM), Dr. Lefler completed residency, and a nephrology fellowship at Medical University of South Carolina (MUSC). Dr. Lefler remained at MUSC where he served as clinical faculty active in both clinical and basic science research. He then transitioned to private practice in 2003.
As a nephrology provider, Dr. Lefler is a fellow of the American College of Physicians (FACP) and the American Society of Nephrology (FASN). He is also certified by the American Society of Diagnostic and Interventional Nephrology (ASDIN).

Board certified: Internal Medicine and Nephrology

Medical Director

Dr. Stefano Emili

Dr. Emili graduated from The Pennsylvania State University College of Medicine in 1991. He completed an internship and residency in internal medicine in 1995 and his fellowship in Nephrology at the Medical University of South Carolina in 1997. His professional career has spanned three states: South Carolina, Ohio, and Alaska. Dr. Emili started his current practice, Aurora Kidney in Anchorage, Alaska in the summer of 2006. Dr. Emili is board certified in nephrology and specializes in diseases of the kidneys and hypertension. It has been a lifelong dream of his to reside and practice in Alaska.

Board certified: Internal Medicine and Nephrology

Physician

Dr. Trang Ngo

Dr. Trang Ngo is a Nephrology Specialist in Anchorage, Alaska. She graduated with honors in 2009. She received her nephrology training at the University of Texas in Houston and completed her internal medicine residency in Norwalk, Connecticut. Prior to becoming a doctor, she was a board-certified nurse practitioner. She enjoys traveling and going to national parks. She and her husband relocated to Alaska from Idaho in 2018.

Board certified: Internal Medicine and Nephrology

Medical Director

Dr. Shuang Bao

Dr. Sarah Bao is a board-certified Nephrologist in Anchorage, Alaska with over twenty years of experience in the field. She graduated with honors from the China Medical University and completed nephrology training at the New York-Presbyterian Hospital-Weill Cornell Medical Center in 2014. Before calling Alaska home, Dr. Bao practiced in Oregon and Montana. Dr. Bao is fluent in Chinese and enjoys spending her downtime with her husband and family. Her daughter is currently attending medical school.

Board certified: Internal Medicine and Nephrology

Physician

Dr. Lisa Roberts

Dr. Lisa Roberts graduated with high honors from Ross University School of Medicine in 2017, completing her residency in Internal Medicine at Mt. Sinai Hospital in Chicago, IL, and her Nephrology fellowship at the University of Rochester in 2022. Dr. Roberts genuinely cares about her patients and goes out of her way to ensure they have the best patient experience. Dr. Roberts enjoys spending time with her husband, Randy, and their golden retriever puppy.

Physician

Dr. Ryan McDonald

Ryan McDonald is a board-certified nephrologist, completing his undergraduate degree at Brigham Young University and his nephrology training at LSU. He specializes in the treatment of high blood pressure and takes a special interest in keeping people with advanced kidney disease off dialysis. He is passionate about patient care and optimizing outcomes, with an emphasis on the treatment of kidney disease by improving healthy lifestyle choices.

Board certified: Internal Medicine and Nephrology

Physician

Dr. Mark Smith

Dr. Smith received his Bachelor’s Degree and Degree in Medicine from The Ohio State University in Columbus. He began his post-graduate training in Augusta at The Medical College of Georgia and, after finishing his Internal Medicine training, completed a two-year Fellowship in Nephrology. He is Board Certified in both Internal Medicine and Nephrology. Previously practicing in South Carolina and Georgia, Dr. Smith brings nearly 30 years of nephrology experience to Alaska.

Dr. Smith enjoys connecting with his patients and working with them to achieve their health goals. His calm demeanor and gracious approach make him a favorite amongst patients, colleagues, and staff alike.

Board certified: Internal Medicine and Nephrology

Advanced Nurse Practitioners

ARNP

Stephanie McQuillin

Stephanie is a born & raised Alaskan who grew up in the Mat-Su Valley. She graduated with a Bachelor’s of Nursing from the University of Alaska Anchorage in 2014, finding her love for nephrology working in the renal care unit at Providence Alaska Medical Center. She completed her Master’s in Nursing in 2018 and transitioned to the Internal Medicine setting before returning to Nephrology in 2020. When she is not at work, she enjoys spending time with her husband Jake and their two springer spaniels appreciating all the wonderful outdoor activities Alaska has to offer.

ARNP

Shannon Yoder

Shannon worked as a cardiac and ICU nurse practitioner for 12 years before deciding to advance her career in nephrology. Nephrology has allowed Shannon to dive into the multitude of illnesses and complexities that can lead to kidney disease, and she appreciates the opportunity to work with her patients to achieve optimal outcomes. She finds the specialty of nephrology to be very rewarding and is proud of the rapport, trust, and longevity she has with her patients. Outside of work, Shannon enjoys spending time with her son and adventuring around our great state. She has a passion for the Alaskan outdoors and can be found hiking, biking, skiing, or fishing with her Boxer, Eddie.

“KHC is a great place to work. I’m blessed to work with amazing and experienced nurse practitioners, doctors, and staff. I truly enjoy going to work!”

ARNP

Catherine Flannigan

Catherine recently relocated to Alaska from Texas. She graduated from the University of Texas at Tyler in 1996 with a Bachelor of Science in Nursing. Catherine spent 24 years in Dallas specializing in trauma surgery and transplant surgery as a First Assist. Continuing her career, she obtained a Master’s in Nursing in 2020 and transitioned to primary care and most recently, nephrology. Outside of work, Catherine enjoys baking and exploring Alaska with her husband, 10-year-old twins, and their Great Dane mix. Catherine is passionate about medicine and provides exceptional care to her patients.

Senior Leadership Team

Ana Silveira

Division President, Operational Excellence

Ana brings over 25 years’ experience in the dialysis industry, with a strong clinical background and a proven track record of driving results focused on operational excellence, including culture and retention. Prior to joining USRC she was General Manager of the Western Group at Fresenius Kidney Care with oversight of 320 facilities including Standalone Home Programs and Inpatient Services. Most recently, Ana has added Alaska Dialysis as part of the West Division.

Email: Ana.Silveira@USRenalCare.com

Jocelyn Saccamago

Vice President, Operational Excellence

Jocelyn was born in the Philippines. She holds a Bachelor of Science in Commerce with a major in Banking, Finance and Accounting from Far Eastern University, Manila. With a career spanning 17 years in Philadelphia & Delaware, acting as Accounting Supervisor, Administrator and then Regional Manager at Fresenius Kidney Care. Jocelyn's journey extended to Asia Pacific, where she served as Business Director, envisioning the integration of products and services in Manila, Philippines. In 2010, She took the role of Director of Operations in Houston, Texas overseeing both in-center and Acute operations for 3 years. Beginning in July 2013, she served as a Regional Vice President for dialysis clinics in Hawaii and acquired Guam facilities in 2020. She served as RVP for 10 years. As of February 2024, Jocelyn started a new journey with US Renal Care and Satellite and most recently, Alaska Dialysis.

Email: JocelynS@LibertyAdminServices.com

Debbie Lachance

Director of Human Resources

Debbie brings over 30 years of extensive experience in human resources, recruiting, payroll, and HRIS to her role as Director of Human Resources at Liberty Administrative Services, LLC. In this capacity, she collaborates with Alaska Dialysis and various nephrology practices nationwide.

Before joining Liberty Dialysis in 2009, Debbie gained valuable experience across diverse industries including hospitality, manufacturing, and the non-profit sector. Besides her professional endeavors, she enjoys reading, watching movies, and volunteering with the local animal shelter.

Email: DebbieL@LibertyAdminServices.com

Cassie Fees

Director of Operations

Cassie is a Board-Certified Nurse Executive. She completed her undergraduate and graduate studies in Nursing at Nebraska Methodist College and her Doctorate in Nursing Practice at Baylor University. Cassie began her career in dialysis in 2008. She has held various roles within the dialysis industry ranging from Patient Care Technician, Registered Nurse, Charge Nurse, Clinical Manager, Area Manager and Director of Operations. Cassie has a passion for caring for patients with chronic kidney disease. Outside of work she enjoys spending time outdoors in the boat or on the snow machine with her husband and son.

Email: CassieF@LibertyAdminServices.com

Julie Lee

Director of Operations

Julie has spent 16 of her 17 years of nursing in dialysis. The bulk of these years in Home Dialysis. She found it easy to quickly falling in love with the care and population of dialysis patients. Providing these patients with necessary skills, knowledge, confidence, and support to return to their homes, communities, and families and perform their life-sustaining treatment was the nursing care she dreamed of providing. Over the years she has moved into many leadership roles, Charge RN, Home Therapies Manager and now Director of Operations, but her passion has remained, to provide exceptional care to our patients and our staff.

Email: JulieL@AlaskaDialysis.com