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Residency Team

Meet our residency team for the Champlain Valley Medicine Residency Program in Plattsburgh, NY - part of the UVM Health Network.

Meet our Residency Team



Marianna Worczak, MDPortrait of Dr. Marianna Worczak, Primary Care Physician                                                            
Program Director and DIO

Marianna is a native of Western New York. She has been a fan of the North Country and Adirondacks since her undergraduate studies at Clarkson University. She received her medical degree from the University of Miami and completed her residency at UVM. Following residency she practiced in Olean, NY before being recruited as faculty and later becoming PD. So far she has loved teaching and helping to grow the residency program in Plattsburgh. Her professional interests include both inpatient and outpatient medicine, women’s health, and addiction medicine. She is a competitive runner enjoying distances from 5K’s to Marathons. She also enjoys being active in the Adirondacks, baking, keeping active in her Catholic faith, and spending time with her husband and family!

Maegan Cabrera, MDPortrait of Dr. Maegan Cabrera, Primary Care Physician                                                            
Associate Program Director 

Maegan is a North Country native, having been raised in Champlain, N.Y. She studied Physiology and received her undergraduate degree from McGill University in Montreal. She spent time in both Syracuse and Binghamton while obtaining her medical education from SUNY Upstate Medical School. Most recently, she completed her residency in Family Medicine at Albany Medical Center.

She is grateful for the opportunity to live and work back in her hometown, and especially enjoys outdoor activities with her family throughout all 4 seasons. Clinical interests include nutrition, obesity medicine, motivational interviewing, and women's health.

Aubrey Wheeler, MDPortrait of Dr. Aubrey Wheeler, Primary Care Physician                                                            
Associate Program Director

Aubrey is a Texas native, moving to Plattsburgh in 2020 from Germany after serving 12 years in the United States Air Force as a Family Physician. She completed her undergraduate degree in Biology and Psychology at Wilfrid Laurier University in Waterloo, Ontario, earned her medical degree from the University of Texas Southwestern Medical School in Dallas, and completed her training in Family Medicine at the St Louis University School of Medicine Family Medicine Residency in Belleville, Illinois. She loves the strong physician-patient/community connections and breadth of family medicine and is especially interested in preventive medicine, nutrition, and migraine care. She is honored to have the opportunity to be involved in medical education and learns as much from the residents as she teaches. Her interests outside of medicine include spending time with her family (husband and 3 young children), cooking (plant-based recipes mostly, but also baking to satisfy a strong sweet tooth), watercolor, gardening, and skiing (downhill and cross country).


Julia Marsala, MDPortrait of Dr. Julia Marsala
Core Faculty

Julia is joining the CVPH residency as an FM-OB provider. While originally from Trenton, Ontario, she grew up in State College, Pennsylvania. She received a Bachelor’s degree in Life Sciences and Global Development Studies at Queen’s University, then attended Penn State for medical school. She completed her family medicine residency training at UVM in Burlington, VT, and then spent a year in Greensboro, NC doing a surgical obstetrics fellowship. She is thrilled to return north again and to be close to family and friends. In her spare time, she enjoys cooking, hiking, watching/playing hockey (go Leafs!), skiing, and trying her hand at gardening.

Lindsey Wilhelm, DOPortrait of Dr. Lindsey Wilhelm, Primary Care Physician, MPH                                                            

Lindsey graduated from the University of New England College of Osteopathic Medicine where she earned her medical degree as well as a Masters in Public Health. She completed her family medicine residency training at Albany Medical Center. She directs both the Osteopathic Medicine Curriculum and the Wilderness Medicine Elective. 

She has a special interest in women’s health, family planning, preventative medicine, osteopathic manipulation, pediatrics, dermatology, nutrition, physician wellness and wilderness medicine. In her free time she enjoys spending time with her husband and 2 children, exploring the Adirondack Mountains, gardening and trying to keep up with her kids while skiing at Whiteface Mountain.

John G. King, MD, MPHPortrait of John G. King, MD

Associate Dean for Continuing Interprofessional Medical Education at the University of Vermont Larner College of Medicine

John is a Professor of Family Medicine and was involved in the development of the Family Medicine Residency Program at UVMHN Champlain Valley Physicians Hospital.  He previously held the position of Residency Program Director at the UVMMC Department of Family Medicine. John grew up in Manlius, NY outside of Syracuse. After attending college at the SUNY College of Environmental Science and Forestry and Medical School at the University Of Rochester School Of Medicine, he completed his Family Medicine Residency at Duke University.He later completed a Masters of Public Health in Epidemiology from the University of North Carolina, Chapel Hill. He spent several years practicing in rural upstate NY and was Associate Residency Director at the Virginia Commonwealth University Hanover program before settling in Vermont. John’s academic interests include evidence informed care, risk communication and shared decision making and population health. He holds certificates of added qualification in Geriatric and Sports Medicine and remains active in hospital medicine. John is married with three children and enjoys anything that slides on snow or has two wheels, with particular fondness for telemark skiing and off-road triathlon.

Aura Cernii, MDPortrait of Dr. Aura Cernii
Core Faculty

Dr. Cernii is board certified in Internal medicine. She has a passion for inpatient medicine and after being a hospitalist for several years at CVPH, she was pleased to join the family medicine residency program as one of the core-teaching faculty on the inpatient service. She is honored to have the ability to contribute to the creation of an excellent service and make a difference where it matters the most.

Letitia Lim, MDPortrait of Letitia Lim, MD
Core Faculty

The Family Medicine Residency at CVPH was what convinced Dr. Lim to take a position with the hospitalist team here. She is board certified in Internal Medicine and after completing her residency, she was aiming for a career in hospitalist medicine at a center with educational programs. We welcomed her into our faculty in April of this year as one of our full-time inpatient attendings. Beyond the walls of the hospital, she enjoys travelling and experiencing different cultures and cuisine. She also enjoys a variety of outdoor activities. After all her travels, she believes that Lake Champlain is one of the more naturally beautiful places to live.

Kathleen Freeman, C-TAGME, CRA, RDCS, FASE, RTPortrait of Kathleen Freeman, CVPH Family Medicine Residency Program Administrator
Residency Program Administrator

Kathleen is a driven individual with a rich background in Healthcare Administration, particularly in Radiology and Cardiology. Her expertise has been pivotal in launching numerous successful projects, including establishing several Echo Labs, directing a multi-million dollar Imaging Center and in 2015 shifting gears to help CVPH launch their Family Medicine Residency Program. She's also dedicated to philanthropic efforts, notably founding the "Ride to Remember" Alzheimer’s Benefit in honor of her late mother, now in its 17th year.

Born and raised in Cadyville, NY, Kathleen values family deeply. After a stint in Southern California, she returned to her roots to be closer to her loved ones. Married to Pat for nearly 27 years, they share the joys of family with their two grown children, Shauna and Jordan, and granddaughter Addy.

Outside of her professional pursuits, Kathleen finds joy in spending quality time with family and friends, indulging in occasional shopping trips, nurturing her garden, and hitting the open road on her Harley.

Heather Lacey
Residency CoordinatorPortrait of Heather Lacey, CVPH Family Medicine Residency Coordinator

Heather is a native of Plattsburgh NY and has worked for CVPH for 24 years. Throughout her career at CVPH she has had many accomplishments which include her various roles in the Dialysis Unit as the Coordinator for a National Research Project for Dialysis Outcomes and Practice Patterns a vital role in the Diabetes Center at CVPH since its inception in 2008, and managing the Diabetes Support Group.  For the past 5 years, Heather has worked at the Family Medicine Center as Office Coordinator. Heather has always had a passion for helping people and for finding solutions.  Her proven ability to manage many tasks led her to accept the position of Coordinator for the Family Medicine Residency Program.

Although Heather is passionate about her career her biggest accomplishment is her family. She has been married to her high school sweetheart, Jason for 20 years and their 2 children: Jace 19 and Jaelynn 16. When she isn’t watching her kids hockey, baseball or gymnastics you can find her working on home improvements and spending valuable time with her family.

Kellie Lathrop
Residency CoordinatorPortrait of Heather Lacey, CVPH Family Medicine Residency Coordinator

Meet Kellie, a proud native of the North Country, raised in the picturesque town of Peru, NY. With a diverse professional background spanning elementary education, finance, and HR, Kellie's journey has been as varied as it has been enriching. Recently seizing the opportunity to embrace a new challenge, Kellie eagerly stepped into the role of Residency Program Coordinator, marking the beginning of an exciting adventure in graduate medical education with a focus on Family Medicine residents.

While Kellie finds fulfillment in her career, her heart truly belongs to her family. As a devoted mother to two vibrant daughters, aged 18 and 15, she finds joy in cheering them on at dance competitions, recitals, and sporting events. Beyond her bustling family life, Kellie nurtures her passion for exploration through travel, always anticipating her next adventure with enthusiasm and wanderlust.