Asheville Physician Assistant Program
Faculty & Staff

Cathy Bickerton, MS, PA-C
Program Director
[email protected]
Cathy Bickerton, MS, PA-C earned the Bachelor of Science degree in Medical Science from Alderson-Broaddus University in 1986 and the Master of Science degree in Professional Leadership from Carlow University in 2000. She has been involved in physician assistant education as full-time faculty since December 1996.
Ms. Bickerton joined the South College Physician Assistant Program as a Founding Faculty member on September 1, 2020. Mrs. Bickerton’s duties include development and oversight of the program.
Ms. Bickerton is a NC state licensed, NCCPA nationally certified physician assistant with an extensive clinical background of 35 years of experience in internal medicine, emergency medicine and psychiatry. In her spare time, Mrs. Bickerton spends her time as a goat farmer. She has a small herd of dairy goats on her farm in east TN. With her wife’s help, she makes cheese, ice cream, assorted dairy products and soap.
Susan Fowler, MD
Medical Director and Principal Faculty
[email protected]
Susan Fowler, MD is a licensed, board-certified emergency medicine physician with 30 years of clinical experience in both Emergency Medicine and Urgent Care Medicine. She earned a B.A. degree in Chemistry at Bucknell University and a Medical degree at Drexel University College of Medicine (formerly Hahnemann University School of Medicine). She is excited to serve as the Medical Director for the South College Asheville Physician Assistant Program and to be directly involved in educating students.
Prior to joining South College, Dr. Fowler served 7 years on active duty in the Army. She was Chief of the Heidelberg Army Hospital Emergency Department and the Emergency Medical Treatment Section of the 212th MASH in Germany. She was teaching faculty at Brooke Army Medical Center’s Emergency Medicine Residency Program. Dr. Fowler moved to Asheville after 15 years in Colorado Springs, where she worked in several different Emergency Departments and Urgent Cares. She has 4 years of experience supervising Advanced Practice Providers at her last Urgent Care job.
Dr. Fowler’s husband is “retired” but works full-time on their farm. They have a son and a daughter, who both attend UNC at Chapel Hill. Go Tar Heels! In her free time, she enjoys hiking, skiing, tennis, pickleball, and travel.


Timothy Calcagni, MS, PA-C
Associate Director and Principal Faculty
[email protected]
Timothy Calcagni, MS, PA-C earned a Bachelor of Science Degree in Biological Sciences from the University of Rhode Island in Kingston, RI and earned his Master of Science Degree in Physician Assistant Studies from Northeastern University in Boston, MA. As an NCCPA certified Physician Assistant, he has worked in Emergency Medicine, Urgent Care, and Family Medicine settings. In addition to his clinical training, Mr. Calcagni earned an ESME certificate in Medical Education from the Association for Medical Education in Europe.
Mr. Calcagni has experience precepting and mentoring Physician Assistant learners and has particular interest in the clinical application of physiologic and pathophysiologic concepts. He is also a contributor for McGraw Hill PA Exam Prep™. He joined South College in April of 2021.
In his free time, he enjoys mountain biking and trail running through the Blue Ridge Mountains, cooking, and hiking with his wife and their dog, Juna.
Lindsay Lyon, MPA, PA-C
Associate Director and Principal Faculty
[email protected]
Lindsay Lyon, MPA, PA-C earned her Bachelor of Science degree from Russell Sage College in interdisciplinary studies and exercise science. She received her Masters of Physician Assistant degree from Eastern Virginia Medical School in Norfolk, VA in 2010. Upon graduation, she was inducted into the Pi Alpha National Honor Society for Physician Assistants.
Upon graduation from PA school, Ms. Lyon relocated to Asheville, North Carolina and joined the local orthopedic trauma team. She spent the first 9.5 years of her professional career in this specialty. Ms. Lyon also has experience in urgent care and telemedicine. She spent much of her time as a practicing PA devoted to precepting and mentoring PA students. Ms. Lyon transitioned to PA education in late 2019. She joined the South College Asheville PA Program in May of 2021.
Ms. Lyon has contributed to presentations at the PAEA conference and the International Association of Medical Science Educators (IAMSE). She is a contributing author to the newly published textbook, Clinical Medicine for Physician Assistants. She is also a contributor for McGraw Hill PA Exam Prep™.
In her free time, she enjoys spending time with her husband and two children. She enjoys coaching, playing softball, pickleball, hiking and camping.


Carla L. Black, MHS, PA-C
Principal Faculty
[email protected]
Carla L. Black, MHS, PA-C earned a Bachelor of Science degree and officer commission from the U.S. Coast Guard Academy in 2003. She earned her Master of Health Sciences degree in Physician Assistant Studies from Duke University School of Medicine in 2015 and completed the Advanced Practice Fellowship in Hospital Medicine at the University of Colorado Hospital in 2017.
While practicing Hematology Oncology and Bone Marrow Transplant at UCHealth in Aurora, CO, for 5 years, she enjoyed precepting a variety of medical learners including PA students. Carla will provide instruction in numerous Clinical Assessment and Management courses. She looks forward to teaching in small groups and preparing students for the challenges of a PA career.
Mrs. Black served 8 years on active duty, was a reservist for 8 years, and proudly continues her military career as a Lieutenant Colonel in the Air National Guard where she practices Occupational Medicine.
In her free time, she enjoys yoga, following Duke basketball, and exploring Western NC with her husband and two children.
Angela J Lewis, MHS, PA-C
Principal Faculty
[email protected]
Angela J Lewis, MMS, PA-C is a NC licensed, NCCPA certified physician assistant with over 7 years of clinical experience practicing internal medicine within the Hispanic communities in North Carolina and has served on the medical board for LliBott Consultorios Médicos. She is passionate about bridging high-quality, culturally competent healthcare to underserved communities, educating her patients about preventive lifestyle, and mentoring PA students to become culturally competent providers. Angela is a native of Durham, NC and graduated from North Carolina A&T State University with a Bachelor of Science in Electrical Engineering in 1999 and a Master of Medical Science in Physician Assistant Studies from Lincoln Memorial University in 2015.
Prior to her clinical career as a PA, Angela has over 15 years of combined experience as an electrical engineer, math teacher, wellness coach and personal trainer; and has lived in many different areas including Puerto Rico and Texas.
In her spare time, she enjoys learning different cultures, being involved in the arts, spending time outdoors and being active.


Meredith Lytle
Admissions Coordinator
[email protected]
Meredith Lytle graduated from UNC Charlotte with a double major in Psychology and Criminal Justice. She has a background in real estate but recently transitioned to higher education.
Mrs. Lytle joined South College in November 2020 after relocating to the Asheville area. Her duties include helping students navigate the application process from first contact to acceptance.
Mrs. Lytle loves talking to students about the program and believes the personal touch of an Admissions Coordinator is just one of the many things that sets South College apart. During her free time, she loves to travel, hike, or head to the lake.
Zsuzsanna Brooks
Director of Administrative Operations
[email protected]
Zsuzsanna Brooks earned a BA degree in teaching Mathematics and English as a second language from Eszterhazy Karoly Teacher Training College, Eger, Hungary and an MA in English Language and Literature from Eӧtvӧs Loránd University in Budapest, Hungary.
She has more than 25 years of experience in educational administration and in educational project management, serving private, governmental, and non-governmental institutions.
Before joining South College in November 2022, Ms. Brooks worked as the School Academic Curriculum Coordinator at the School of Public Policy at Central European University (CEU) Budapest, Hungary and as a Fellowships Coordinator first at the Collegium Budapest, Institute for Advanced Study and later at the CEU-Institute for Advanced Study.
In her free time, Ms. Brooks enjoys spending time with her family and friends, photographing nature, and playing tennis.
