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Internal Medicine

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Rebecca Bernstein, MD Rebecca Bernstein, MD
Internal Medicine Faculty: Hospital

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Indiana University
Medical School: New York Medical College
Residency: Montefiore Medical Center, Primary Care and Social Medicine

Dr. Rebecca Bernstein has worked in WNC as an internal medicine hospitalist for the past 12 years. She previously served as medical director of the inpatient diabetes program, leading a unique team of providers caring for patients with inpatient hyperglycemia and diabetes. Her medical interests include closing the gap in health outcomes for our most vulnerable populations and helping future generations understand that racial equity is a key part of our community’s health. Dr. Bernstein's current practice site includes the Mission Hospital.


Tiangela “Ti” Brock, DNP, RN, FNP-BC Tiangela “Ti” Brock, DNP, RN, FNP-BC
Nurse Practitioner

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Ti is a Family Nurse Practitioner, whose clinical practice has focused on adult medicine. She is a native of WNC and has served the patients of WNC for over 20 years in a variety of nursing roles. She is passionate about increasing access to care for underserved populations. Ti works in the same-day Access Clinic. Her interests include spending time with family, church women’s ministry activities, reading, and relaxing.


Stephanie Call, MD, MSPH Stephanie Call, MD, MSPH
Internal Medicine Faculty: Hospital and Primary Care; Department Chair

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: University of North Carolina, Chapel Hill
Medical School: University of Maryland at Baltimore
Internship: Internal Medicine, University of Alabama at Birmingham
Residency: Internal Medicine, University of Alabama at Birmingham
Chief Resident: Internal Medicine, University of Alabama at Birmingham
Fellowship: General Internal Medicine, University of Alabama at Birmingham
Past faculty appointments: University of Alabama at Birmingham (Associate Program Director), University of Louisville (Associate Program Director), Virginia Commonwealth University (Program Director, Associate Chair)

Dr. Stephanie Call was recruited to start the MAHEC Department of Internal Medicine and the Internal Medicine Training Program in the fall of 2019. She brings with her a passion for General Internal Medicine, both in the office and in the hospital, and a wealth of clinical and educational experience. Her clinical interests include primary care for patients infected with HIV, behavioral health, health coaching for the management of chronic disease and promotion of healthy lifestyle, and health screening. Dr. Call is a nationally recognized educator, recently receiving the national Associate of Program Directors in Internal Medicine Distinguished Medical Educator Award. She was also a recipient of the Parker J. Palmer Courage to Teach Award - one of the highest honors bestowed by the medical education national community. Dr. Call was also recognized as Working Mother of the Year in 2012 for demonstrating that you don’t have to choose between a fulfilling career and a wonderful personal life (And, her three daughters Alex, Katie and Emma agree!).


Anna Dill, MD, MPH Anna Dill, MD, MPH
Pronouns: she/hers/hers
Internal Medicine Faculty: Hospital and Primary Care

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: North Carolina State University
Medical School: George Washington University School of Medicine
Master’s in Public Health: University of North Carolina, Chapel Hill
Residency: Internal Medicine - Primary Care, Yale University

Originally from Western North Carolina, Dr. Dill completed her medical training at Yale New Haven Hospital in New Haven, CT after she completed her M.D. at George Washington University. She is interested in medical humanities, community care in under-resourced areas, and issues in rural health. She worked as a hospitalist and primary care provider in rural Central New York prior to joining MAHEC Internal Medicine. Dr. Dill is passionate about a humanistic approach to care and advocacy in navigating our complex medical system.


Keelan Dorn, MSN, RN, FNP-BC Keelan Dorn, MSN, RN, FNP-BC
Internal Medicine Faculty: Primary Care

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Keelan is a Family Nurse Practitioner and has worked with patients in multiple nursing roles across Tennessee and North Carolina. She works in the same-day Access Clinic and the Medication-Assisted Treatment Clinic. Keelan’s clinical passions are centered around providing affordable and accessible medical care to every patient population and educating patients on preventative care.


Taylor Fie, MD, MPH Taylor Fie, MD, MPH
Internal Medicine Faculty: Hospital and Primary Care

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Western Carolina University
Medical School: University of North Carolina, Chapel Hill
Master’s in Public Health: University of North Carolina, Chapel Hill
Residency: Internal Medicine, University of Virginia

Dr. Taylor Fie is originally from Clyde, NC, and graduated with her English Literature degree from Western Carolina University. After completing her residency at the University of Virginia in Charlottesville, she moved back to Western North Carolina to practice as a primary care physician and to help train the next generation of doctors. She serves as the Internal Medicine site director for the UNC School of Medicine Asheville campus and has a special interest in rural health, medical education, and resident procedure training.


Ritch Greene, LCSW Ritch Greene, LCSW
Pronouns: he/him/his
Collaborative Care Manager

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Ritch came to MAHEC from Los Angeles where he led the gender care program for Kaiser in his service area. He has a background in community mental health, addiction medicine, and outdoor education. Ritch spent most of the 90s in Asheville working for North Carolina Outward Bound, using experiential education to provide healing experiences for his students. He and his husband are mountain bikers and rock climbers. They moved back to the area to enjoy their outdoor pursuits and start a fiber farm.


Kelsey Hines, PA-C Kelsey Hines, PA-C
Physician Assistant

MAHEC at Givens map
2360 Sweeten Creek Road
Asheville, NC 28803
phone (828) 271-6946

Kelsey earned a Bachelor of Science at Northwestern University. She completed Physician Assistant training at Duke University Medical School where she earned a Masters in Health Sciences. Kelsey has been part of the Givens care team since 2022 and will continue providing care in all three settings. She is a proactive, forward-thinking, and inclusive physician assistant with nine years’ experience with adult and geriatric populations including in skilled nursing facilities. She has directed and delivered outstanding comprehensive patient care as the primary care provider across three skilled nursing facilities encompassing primary care, urgent care, post-acute care, palliative care, and end of life comfort care.


Nancy Kubiak, MD, FACP Nancy Kubiak, MD, FACP
Internal Medicine Faculty: Primary Care; Medical Director

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Texas A&M University
Medical School: Baylor University College of Medicine
Internship: Internal Medicine, Primary Care, University of Coloradol
Residency: Internal Medicine, University of Mississippi
Chief Resident: Internal Medicine, University of Mississippi
Past faculty appointments: University of Louisville (Associate Program Director, Medical Director)

Dr. Nancy Kubiak moved to western North Carolina to direct the MAHEC Internal Medicine practice as it grows to train the next generation of great general internal medicine specialists for the area. Her clinical interests include quality improvement and endocrinology in primary care.


Carissa Lau-Julien, MD Carissa Lau-Julien, MD
Medical Director, Givens Estates
Internal Medicine Faculty: Hospital and Geriatrics

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Walla Walla University
Medical School: Loma Linda University
Residency: Internal Medicine, University of Alabama at Birmingham
Fellowship: Geriatrics, University of North Carolina at Chapel Hill

Dr. Lau-Julien moved to Asheville to become a clinical educator and to practice geriatrics in a variety of settings. Her clinical interests include whole-person care, complex medical-psychosocial situations, care transitions, and collaborative interprofessional care. Current practice sites include: Givens Estates Health Center, Givens Estates Clinic, MAHEC Home-Based Primary Care and Mission Hospital.


Schuyler Livingston, MD Schuyler Livingston, MD
Internal Medicine Faculty: Primary Care

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Amherst College
Medical School: Emory University School of Medicine
Residency: University of Colorado Internal Medicine Residency, Primary Care Track
Past Faculty Appointments: Assistant Professor, Emory University School of Medicine at Grady Memorial Hospital and the Grady Infectious Disease Program (IDP)

Dr. Livingston has spent his career providing high-quality, comprehensive care in communities that are often overlooked by our healthcare system. He enjoyed outstanding educational opportunities at Emory University and the University of Colorado. After residency, he returned to Atlanta to become a clinician-educator in the Grady Health System, Georgia’s premier safety-net hospital. He focused on providing care for people living with HIV at the Grady Ponce Center for Infectious Disease. At Grady, he honed his skills as a physician and teacher, serving as a clinical mentor to medical students and residents. More recently, he served as a primary care physician for low-income seniors in Atlanta. He provided HIV and hepatitis C care within his clinic system, effectively expanding access to needed specialty care. Dr. Livingston believes in meeting patients where they are, becoming their partner in navigating illness and promoting health. He believes in going the extra mile to reach out to patients when they face a health crisis. He is fluent in Spanish and greatly enjoys providing cross-cultural care.


Jorgen Madsen, MD Jorgen Madsen, MD
Internal Medicine Faculty: Primary Care

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Utah State University
Medical School: University of Utah
Residency: Internal Medicine/Pediatrics at University of Cincinnati

Dr. Madsen completed a residency in Internal Medicine and Pediatrics at the University of Cincinnati and Cincinnati Children's Hospital. He has been recognized for his focus in providing compassionate care and advocating for underserved populations. He is passionate about providing comprehensive LGBTQ Health and has been focusing on building medical education surrounding LGBTQ care. Having grown up in a rural community himself, Jorgen believes that everyone should have access to quality care regardless of where they live or how they identify. He believes in patient centered care with shared decision making, empowering patients to make an informed decision about their own care.


Caroline Mueller, MD, MEd, FACP, FAAP Caroline Mueller, MD, MEd, FACP, FAAP
Internal Medicine Faculty: Primary Care

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: University of Illinois
Medical School: University of Cincinnati, College of Medicine
Residency: Internal Medicine-Pediatrics, University of Cincinnati
Past faculty appointments: University of Cincinnati, (Program Director of the Cincinnati Hospital Group Combined Internal Medicine-Pediatrics Residency)

Dr. Mueller has been a primary care doctor since she finished residency in 1994. She trained as both an internist and pediatrician at the University of Cincinnati and Cincinnati Children’s Hospital Medical Center. She has a special interest in patient wellbeing as well as complex medical care, chronic care management, shared decision making with patients, and genetics. With more than 30 years in clinical practice, she is considered a master clinician/diagnostician. In the management of chronic disorders such as chronic insomnia and chronic pain, she believes in the integrative approach which focuses on exercise, nutrition and mental health and minimizes medicinal interventions. While these approaches require maximum patient engagement, they are also the most rewarding in pursuing our greatest health potential!


Nathan “Nate” Spell, MD Nathan “Nate” Spell, MD
Chair, Internal Medicine

MAHEC Internal Medicine map
123-A Hendersonville Road
Asheville, NC 28803
phone (828) 771-3500

Undergraduate: Davidson College
Medical School: Harvard
Residency: Brigham and Women’s Hospital, Boston, MA
Professor Emeritus: Emory University School of Medicine

Dr. Nathan Spell served 4 years in the U.S. Air Force Medical Corps immediately after residency and then joined the department of medicine at Emory University as a general internist. In his 25 years at Emory, he held several education leadership roles—resident clinic director in his ambulatory practice, then associate program director, and ultimately associate dean for education and professional development, including oversight of CME (Continuing Medical Education). He held administrative positions as medical director of his practice and 10 years as Chief Quality Officer for Emory University Hospital, including starting the Emory Quality Academy for professional development in quality improvement. He joined MAHEC in August 2023 as department chair.

My professional passions are in the growth and development of physicians, interprofessional education, quality and safety, and addressing professional and health disparities. I was attracted to MAHEC because of how well the role of chair fits my experience and because of the infectious passion for the mission among everyone I’ve met here. My outlets are mountain trail running and spending weekends planning, shopping, and cooking meals for family and friends.

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