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Dr. Louis Kuchnir

Dr. Louis Kuchnir founded Kuchnir Dermatology in 2001 after completing residency at the University of Massachusetts.  He served as president of the Massachusetts Academy of Dermatology from 2009-2015.  He received his medical degree from Washington University in St. Louis. He earned a PhD in physical chemistry at Harvard University and went to college at MIT. He is board-certified by the American Board of Dermatology.

“I love seeing patients side-by-side with such outstanding colleagues. Their diversity of experience and interest is a source of constant stimulation.”

Dr. Kevin Donohue

Dr. Kevin Donohue joined Kuchnir Dermatology in 2006. Dr. Donohue completed residency at the Roger Williams Medical Center. He received his medical degree from Dartmouth University and went to college at the University of Massachusetts. He is board-certified by the American Board of Dermatology.

“Now in my seventeenth year at Kuchnir Dermatology, I am more confident and proud of the service we provide to the MetroWest communities than ever before. The expertise and experience of our clinicians compliments one another and our support staff thoroughly models our dedication to the kind and conscientious practice of dermatology.”

Dr. Carl Schanbacher

Dr. Carl Schanbacher joined Kuchnir Dermatology in 2007. Dr. Schanbacher previously served seven years on the faculty at Harvard Medical School where he was the chief of skin cancer surgery at the Dana Farber/Brigham and Women’s Cancer Center. He completed dermatology residency at the Mayo Clinic and a Mohs surgery fellowship at UCLA. He received his medical degree from the University of Nebraska and went to college at Colorado State University. He is board-certified by the American Board of Dermatology and is a member of the American College of Mohs Surgery.

"We treat the patients and holistically treat the patients’ problem, and also consider the world in which they live. We are inclusive of everyone here. This approach reflects all staff faculty at Kuchnir Dermatology."

Dr. Kathy White

Dr. Kathy White joined Kuchnir Dermatology in 2009. Dr. White completed internal medicine residency at the Lahey Clinic. She received her medical degree from the University of New England and went to college at Brandeis University. She is board certified by the American Board of Internal Medicine and has had extensive dermatology experience at the Lahey Clinic.

"It’s great to be a part of a small group where the providers work together well to promote an environment of collaboration and collegiality. Ultimately our goal is to provide the best care for every patient."

Dr. Thanh-Nga Tran

Dr. Thanh-Nga Tran joined Kuchnir Dermatology in 2013.  Dr. Tran is on faculty at  Harvard University Medical School.  Dr. Tran completed residency at MGH.  She received her medical degree from Harvard University and earned a PhD at MIT. She went to college at the California Institute of Technology.  She is board-certified by the American Board of Dermatology and serves on committees at both the American Academy of Dermatology and the American Society of Laser Medicine and Surgery.


Dr. Tran's main passion is her volunteer work.  She co-founded The Vietnam Vascular Anomalies Center (VVAC), a non-profit organization that provides laser technology and expertise to help children with disfiguring birthmarks in Vietnam.  To see Dr. Tran’s work with VVAC highlighted in the Harvard Medical News, click here.  All of the proceeds from her laser procedures are donated to the Vietnam Vascular Anomalies Center.

Dr. Tran is currently conducting research at MGH to look at treatment to improve the hardening (or fibrosis) of skin associated with chronic radiation.  A link to the study can be found here:  

"I am very honored to be working with a wonderful group of physicians and staff who are truly dedicated to providing the best patient care possible. Our patients are the reason we are happy to come to work every day."

Dr. Karen Mitchell

Dr. Karen Mitchell joined Kuchnir Dermatology in 2015.  Dr. Mitchell provided care for over a decade at the Lahey Clinic and also at US Air Force Medical Centers where she served as Lieutenant Colonel.  Dr. Mitchell completed residency at the Wilford Hall Army AirForce dermatology residency.  She received her medical degree from the US’s Uniformed Services University of the Health Sciences.  She went to Smith College.  She is board-certified in Dermatology and Dermatopathology by the American Board of Dermatology.

"We have only a finite number of days on this earth, so we must make the most of them and live them with passion."

Dr. Ganary Dabiri

Dr. Ganary Dabiri joined Kuchnir Dermatology in 2021. Dr. Dabiri previously served as lead faculty member of the Roger Williams Medical Center Dermatology Residency Program.  She completed her three year dermatology residency and two year wound healing fellowship at Roger Williams Medical Center where she was awarded Chief Resident. She received her MD and earned her PhD at Albany Medical College. Dr. Dabiri has published extensively in top rated dermatology medical journals and has won numerous awards for her cutting-edge research in dermatology. Dr. Dabiri is board-certified by the American Board of Dermatology and is a member of the American Academy of Dermatology, International Peel Society, and American Society of Dermatologic Surgery. 

“My passion is the health of your skin. I am fortunate to be able to work with an amazing group of dermatologists who are supported by an incredible staff, this ensures my ability to provide the best care for my patients.”

Dr. Alison Avram

Dr. Alison Avram joined Kuchnir Dermatology in December 2021. She was a Clinical Instructor at Harvard Medical School and a dermatologist at MGH for 15 years prior to joining KDDS. She completed her dermatology residency at the Hospital of UPenn in 2000 and graduated from Jefferson Medical College of Thomas Jefferson University. She went to Princeton for college and is board-certified by the American Board of Dermatology.

"As a medical dermatologist who spent years practicing in the University hospital setting, I have now found my true home at KDDS. Given the flexibility and support needed to practice as I am most comfortable, I am able to devote the time and energy it takes to give each patient exactly what they need. I am delighted that I now have the opportunity to give individualized quality care without compromise."

Dr. Helena Kuhn

Dr. Kuhn joined Kuchnir Dermatology in 2022. Dr. Kuhn attended college and medical school at Georgetown University in Washington, DC.  She trained in dermatology and served on faculty at Brown University, in Providence, RI where she directed specialty clinics in cosmetics, alopecia, and skin of color.  In her eight years at Brown Dermatology, Dr. Kuhn authored scientific papers, trained dermatology residents and medical students, and facilitated clinical trials.

Barbara Starr, NP

NP Barbara Starr joined Kuchnir Dermatology in 2008. Since 2009 she has been editor-in-chief of the Journal of the Dermatology Nurses’ Association. Ms. Starr received her dermatology training directly from the department chairmen of both the UMass and Harvard Medical Schools. She provided dermatologic care for MIT’s faculty, students, and their families at MIT Medical Dermatology for seven years prior to joining our dermatologists. Ms. Starr received her MSN from the MGH Institute of Health Professions and went to college at the University of Michigan in Ann Arbor.

"To work with and care for my patients, those whose families and friends I’ve treated for years, and those I’ll be meeting for the first time; to bring my twenty years of experience in dermatology to bear to find and treat skin cancers and otherwise address concerns about skin—this is what makes me eager to get to work each day."

Kate Schoch, NP

NP Kate Schoch joined Kuchnir Dermatology in 2018.  Since 2014 she has been an Instructor of Dermatology at the Boston University School of Medicine.  Ms. Schoch received her dermatology training directly from Dr. Kuchnir and from the physician faculty at that medical school. She provided dermatologic care in private and academic practice for seven years prior to joining our dermatologists. Ms. Schoch received her RN and MSN from the University of Massachusetts in Worcester and went to college at Westfield State.

"I love my job. I am constantly inspired by the quality of care, the dedication to our patients, and the collaborative spirit at Kuchnir Dermatology."

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