Meet the providers under our roof!

Primary Care Providers

Nurse Practioner

Mei-Lani Bixby, NP

Mei-Lani (pronounced May-Lawn-ee) Bixby is a proud second-generation Chinese American who is originally from the rural coast of Alaska. She has her Bachelor’s in Biology from the University of Puget Sound, her Bachelor’s in Nursing from the University of Washington, and her Master’s in Nursing from the University of California, San Francisco.  Before becoming a family nurse practitioner, she worked as a nurse across the full spectrum of women’s health, specifically in high-risk pregnancies. In addition, she held many odd jobs varying from housekeeper, barista, US Forest Service Interpreter, Americorps teen health educator, and clinical researcher. She has an interest in health promotion and education, women’s health, and community health. She provides care in English and in Spanish.

In her spare time, Mei-Lani enjoys cooking, biking, hiking, poetry, travel, and exploring dramatic coastlines with her husband, kiddo, and dog, Barb the Barbarian.


Pam Dawson, MD

Dr. Dawson grew up in Virginia and attended the College of William and Mary. She later traveled north to attend McGill University for Medical School and completed her Family Medicine Residency there in 1998. She joined Thomas Chittenden in 1999 and lives in nearby Richmond with her husband Steve and their two children Lauren and Will.

Dr. Dawson is not currently taking new patients.

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Physician Assistant

Rick Dooley, PA-C

Rick grew up in Vermont, completed the Northeastern University Physician Assistant Program in 1996, and joined Thomas Chittenden as a Physician Assistant in 1999. He enjoys providing comprehensive care to patients of all ages, with an emphasis on preventative care. He is also the Quality Improvement Director for Thomas Chittenden, coordinating a myriad of projects and initiatives to continuously improve the patient experience and outcomes.

He is on the teaching faculty for precepting Physician Assistant students from both the Massachusetts College of Pharmacy and Health Sciences and the University of New England. He also works as the Clinical Network Director for HealthFirst, representing independent medical practices across Vermont.

In his spare time, Rick enjoys music, hiking, biking, and any other activity that lets him enjoy the Vermont great outdoors.

Rick is not currently taking new patients.


Jeff Haddock, MD

Dr. Haddock was born and raised in the Chittenden county area. He went to Duke University in North Carolina for undergraduate school, where he got his B.S. in biology. After returning to the University of Vermont for medical school, he went to the Methodist Family Practice Program in Sacramento, California for his residency training. Fleeing California as quickly as possible, he has been practicing at Thomas Chittenden Health Center since 2006. He is married, with 2 sons and an intrepid weiner dog, Kona. He has particular interest in sports medicine and cheese.

Dr. Haddock is not currently taking new patients.

Nurse Practitioner

Anastasiya Lulic, NP

Anastasiya was born and raised in Eastern Europe, and graduated with a Bachelor’s degree in Nursing in 2020 from Southern New Hampshire University. Recognizing the importance of continuous education and professional growth, she further pursued her academic journey and completed Master’s in Nursing from Chamberlain University.

Equipped with a strong foundation in nursing from her undergraduate studies, Anastasiya’s dedication and passion for the field led her to pursue advanced education, which not only expanded her knowledge base but also enhanced her expertise in delivering high-quality patient care. Her commitment to  lifelong learning and professional development reflects her dedication to continuously improving her skills and staying abreast of the latest developments in the field of medicine.

Physician Assistant

Shannon Burns Monell, PA-C

Shannon Burns Monell joined TCHC as a Physician Assistant in 2018. She did her undergraduate degree work in Athletic Training at Castleton University, and then worked at Saint Michael’s College working with the Varsity sports teams as an Athletic Trainer. She attended Franklin Pierce University for her Masters in Physician Assistant Studies and graduated in 2018. Shannon provides Primary Care to patients of all ages, with a special interest in Orthopedics and Sports Medicine from her background in Athletic Training.

Shannon is not currently taking new patients.

Family Nurse Practitioner

Mirsada Nurkanovic, DNP, FNP-C

Mirsada Nurkanovic finished nursing school in Bosnia and Herzegovina in May of 1993. In 2002 she joined her husband in Vermont. They live in Jericho with their two kids and enjoy spending time in the community. She completed her undergraduate studies at Johnson State College in 2014 and immediately after that started the Doctor of Nursing Practice APRN program at UVM. Upon graduation in 2018 she joined Thomas Chittenden Health Center as a Family Nurse Practitioner.

In addition to providing primary care to her patients, she is focused on health promotion/disease management and on improving telehealth services in this clinic. Mirsada provides services in both English and Bosnian.


David Simcoe, DO

David attended Purdue University in Indiana where he graduated in 1995 with a bachelor’s degree in molecular biology. He went to medical school at LECOM in Pennsylvania. He graduated with his medical degree in 1999. In 2002 he completed his residency training in family medicine in Chicago, Il. He worked in Indiana from 2002 until 2008. He then moved to Vermont and has been practicing medicine here since.

His interests include reading, music, philosophy, dogs, and Brazilian Jiu-Jitsu.

Dr. Simcoe is not currently taking new patients.

Family Nurse Practitioner

Lily Stolberg, FNP

Lily grew up in Hinesburg, VT and is so happy to be back in her home community practicing as a nurse practitioner. Lily graduated from UVM with a Bachelors in Psychology prior to completing her degree in nursing at Johns Hopkins University. After practicing as a nurse for 6 years, she completed her degree at Chamberlain University as a Family Nurse Practitioner.

She enjoys working with patients all across the lifespan and is dedicated to health promotion and disease prevention.

In her spare time, she loves spending time with her family and friends, being outside, and being active.

Lily is not currently taking new patients.

Nurse Practioner

Kay Stones, DNP

Before finding her home in Vermont, Kay grew up in Connecticut, attended Hamilton college in New York, and worked with the Peace Corps in West Africa. She then loved getting to know different Vermont communities through work with the Red Cross, UVMMC’s Children’s Specialty Center, home health and long-term care facilities. She completed nursing and doctorate in nursing degrees at the University of Vermont. She is thrilled to join the TCHC team to provide patient-centered care across the lifespan in such a wonderful community.

She spends her spare time with her family, hiking, admiring Lake Champlain, reading lots of books, and pursuing poutine.

Doctor, Medical Director

Adriane Trout, MD

Dr. Adriane Trout returned home to Vermont to join Thomas Chittenden in May 2013, and became Medical Director in 2021. After completing medical school at the University of Vermont in 2003, she went to Rochester, NY where she trained at University of Rochester’s Family Medicine Residency program. Her first three years after residency were spent practicing at a federally qualified inner city health clinic in Rochester. She was then employed at a hospital practice outside the city for another three years before happily relocating to Vermont with her husband and daughter.

In her free time, she enjoys spending as much time as possible outside with her family, reading and cooking made-up recipes.

Dr. Trout is not currently taking new patients.

Family Nurse Practitioner

Jack Visco, FNP

Born and raised in small-town Interior Alaska, Jack came to Vermont in 2012. He graduated from UVM with a Master’s of Science in Nursing and became a family nurse practitioner in 2015. Jack enjoys cycling, gardening, writing, and tending to the beehives in his backyard.

Jack has spent four years practicing at a busy internal medicine clinic in Franklin County prior to joining Thomas Chittenden in 2020. His top priority in the exam room is patient education. Some of his professional interests include nutrition, fitness, and addiction.

Other Clinical Staff

Registered Dietitian Nutritionist/Certified Diabetic Educator

Kristen Bolton, MS, RD, CDCES

Krissy joined our practice in August 2023 to provide nutrition and diabetes education for our patients. She received her undergraduate degree from University of Vermont and graduate degree from University of Maine, Orono. She spent many years at UVMMC Adult Endocrinology practice working in different settings including high risk pregnancy and cystic fibrosis related diabetes. She changed course slightly after leaving the clinic and joined Medtronic where she provided insulin pump and CGM training to customers in VT, NY, NH and MA. Helping patients integrate technology into their diabetes management has been a focus of the education she provides.

She enjoys spending time doing fun things with friends and family, dreaming about winning Powerball, and reading a good book.

Advanced Practice Psychiatric Nurse

Nina Gaby, APRN-PMH

Nina Gaby is an Advanced Practice Psychiatric Nurse with 35 years of experience in almost all levels of psychiatric care including addictions. She did her training at the University of Rochester and has taught in several university systems as well as for the Vermont Department of Health.

Nina is also a writer and a visual artist with her work represented in several important collections including the Renwick Gallery of the Smithsonian. Nina joined the team at TCHC in March of 2018 and could not be happier.

Psychiatric Mental Health Nurse Practitioner

Patty Towle, PMHNP, ANP

Patty received her Bachelor of Science degree in Professional Nursing from UVM in 1985. She earned her Master’s degree in Adult, Ambulatory, Community Care from UMass in 1990 and began work as an Adult Nurse Practitioner in primary care. She has been at TCHC since 2011. Patty earned her post-Master’s certificate as a Psychiatric Nurse Practitioner from UNH in 2019. Since then, she has transitioned her practice from primary care to adult psychiatric care, providing care and psychiatric management for patients who have mental health needs.

In her free time, she enjoys biking, hiking, gardening, and spending time with family and friends.

Medical Social Worker/Therapist

Elizabeth (Liz) W Moss, LICSW

Liz grew up on the East coast, mainly in Vermont and Connecticut. She received her Bachelor of Arts (BA) in Sociology from Wittenburg University, in Springfield, Ohio, in 1993. Following graduation, she moved to Fort Wayne, Indiana, where she worked for 2 ½ years as a caseworker for Child Protective Services for the State of Indiana. She returned to Vermont to attend graduate school at the University of Vermont and received her Master of Social Work (MSW) in 1998; becoming licensed by the State of Vermont in 2002.

Since her graduation, Liz has worked with a variety of populations and in a variety of settings, with a goal to gain a comprehensive knowledge and skill set. Those populations include children and families, adolescents, homeless adults, children and adolescents in psychiatric hospital and residential care, adult men and women struggling with substance use disorders, and incarcerated men. In 2015, Liz was hired as a Medical Social Worker for the Community Health Team (CHT) at the University of Vermont Medical Center (UVMMC), where she worked for a year in multiple UVMMC and community clinics before being chosen by Thomas Chittenden Health Center (TCHC) to provide individual therapy to patients in-house.

When not at work, you can find Liz spending time with her dogs, Tulip and Iris, exploring the Vermont outdoors and spending time with good friends.

Social Work Care Coordinator

Lisa Anderson, LICSW

Lisa is a 6th generation Vermonter who was born and raised in Addison County. Despite her love of Vermont, after graduating from high school, Lisa spent some years in Massachusetts and in the British Isles working toward her Bachelor of Arts Degree in Psychology from Wheaton College in Norton, MA. After graduating, she worked with adults who experience intellectual challenges, just outside of Boston, until she sought her master’s degree in Social Work at Boston College. From there Lisa couldn’t wait to return home and has now worked in the Social Work field in Chittenden County for almost 20 years in various settings including residential and outpatient mental health and addiction treatment, primary care and hospital.

Lisa has been especially passionate about working with those affected by psychological trauma and addiction of all ages.  Lisa joined TCHC in 2018 and appreciates assisting people with meeting their medical and personal goals.

Nurse Care Coordinator

Margaret Pratt, LPN

Margaret grew up in Vermont and trained at Fanny Allen School of Practical Nursing, graduating in 1975. After working at the Fanny Allen on the surgical floor for 15 years, she went to Thomas Chittenden Health Center as the evening nurse for a year and then worked with Dr Joe Haddock for 30 years until his retirement in October 2020.

She transitioned into Care Coordination, helping patients to transition home from the hospital or rehab. She enjoys the challenge of helping patients to maintain their independence through support, guiding them with resources as needed to help alleviate any stressors and to help put a smile on their face.

She enjoys spending time with her family, their cabin in the Adirondacks, gardening, snowshoeing and walking, especially by the lake or the ocean.

Nurse Care Coordinator

Jean Fay, RN

Jean grew up in Chittenden County Vermont, and attained her RN associate degree in nursing at the Fanny Allen School of Nursing.  After graduation, Jean spent the first half of her nursing career in Medical Oncology and Hospice before joining Thomas Chittenden in 2018.  In 2023, Jean transitioned to a new role as Care Coordinator, where she enjoys providing more focused care to help patients meet their personal and medical goals.

In her spare time, Jean enjoys spending time with family and friends, attending horse events of all kinds, helping out with 4-H events, camping, yard work, and watching Hallmark Christmas movies.

Practice Administrator

Practice Administrator

Cheryl McCaffrey

Cheryl was born and raised in Vermont. She has been with Thomas Chittenden Health Center since 2010.

With over 20 years experience in health care management, Cheryl enjoys interacting with patients and working alongside her colleagues. When not working, she enjoys spending time with her family and good friends, having movie nights with her two dogs, playing with her horse, Zeke, reading and gardening.

Retired Providers

Doctor Emeritus

Dan Donnelly, MD

Dan Donnelly’s great-great grandfather was a representative from the Benson, Vermont area, who in about 1870, was one of the first in the country to vote in favor of the right of women to vote. He was out-voted 220 to 1. Dan graduated from Kent State University in 1971, and several years later, from the University of Colorado, with a degree in nursing. After working for 5 years as a nurse, mostly in the Emergency Department at Maine Medical Center in Portland, he went to the University of Vermont College of Medicine. After a residency in Family Medicine at the University of Rochester (NY), he spent 3 years in an underserved area of Maine. He and his wife Nancy, and son Harley, moved back to Vermont after that, and have no plans to move again.

While Dan has retired from medical practice, he is still providing insight and entertainment to the TCHC providers and staff.

Doctor Emeritus

Joe Haddock, MD

Dr. Joe Haddock grew up in rural western Illinois, attended undergraduate and medical school at Northwestern University, did his postgraduate training at the Medical Center Hospital of Vermont, and spent 3 years in the military at Camp LeJeune, N.C. Since 1978 he has practiced family and internal medicine at TCHC, and has been involved in various capacities with UVM, UVMMC, and medical payment reform efforts in the state. Outside interests include raising sheep, guitar, woodworking, and grandchildren.

While Dr. Joe has retired from actively seeing patients, he continues to be an integral part of TCHC business operations with his wisdom and insight.

Get to know us!

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