About
Dr. Myhanh Nguyen, known to her patients as Dr. Winn, is a board-certified internist with over 17 years of practice in the seacoast New Hampshire area. She earned her BS in Biology from the University of Kansas before spending two years as a researcher at the University of Kansas Medical Center. There, she focused on Alzheimer's and Parkinson's diseases. She then attended the University of Kansas Medical School, graduating in 2004. She completed her Internal Medicine residency at Maine Medical Center in 2007.
Dr. Nguyen holds board certification in both Internal Medicine and Clinical Informatics, the latter since 2017. She earned an Executive MBA in Healthcare from Auburn University in 2019. Her leadership career includes roles as Chief Medical Information Officer at Wentworth Douglass Hospital and Regional Medical Director at Portsmouth Regional Hospital and Parkland Medical Center, where she oversaw hospitalist, emergency, and psychiatric service lines. She is passionate about chronic disease management, including heart disease, hypertension, diabetes, high cholesterol, and COPD. Born in Vietnam, she moved to Kansas City at age 16. Outside the office, she spends time with her husband and two daughters, cooks, knits, photographs landscapes, and has explored 26 national parks. She volunteers as a board member for the Ragged Mountain Alpine Racing Program.
Education & Training
Undergraduate
BS in Biology, University of Kansas
Medical School
University of Kansas Medical School (graduated 2004)
Residency
Internal Medicine, Maine Medical Center (completed 2007)
Additional Training
Executive MBA in Healthcare, Auburn University (2019)
Certifications
Conditions Treated
Who is Dr. Nguyen right for?
Dr. Nguyen is a strong fit for adults managing chronic conditions such as hypertension, diabetes, heart disease, or COPD. Patients who want a consistent, long-term relationship with their physician will benefit from her small panel. Her background in clinical informatics makes her especially capable with patients navigating complex care transitions or multiple providers. People who value direct communication and same-day access will find her practice model well-suited to their needs.
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Frequently Asked Questions
Dr. Nguyen focuses on chronic disease management, including heart disease, hypertension, diabetes, high cholesterol, and COPD. She also handles acute non-emergency care, post-hospitalization follow-up, and preventive wellness. Her internal medicine background gives her a broad foundation for managing adult health across many conditions.
Yes. Dr. Nguyen holds board certification in both Internal Medicine and Clinical Informatics. She earned her Clinical Informatics certification in 2017, making her one of a relatively small number of primary care physicians with formal credentials in that field.
Dr. Nguyen graduated from the University of Kansas Medical School in 2004. She then completed her Internal Medicine residency at Maine Medical Center in 2007. She later earned an Executive MBA in Healthcare from Auburn University in 2019.
Dr. Nguyen previously served as Chief Medical Information Officer at Wentworth Douglass Hospital. She also held the role of Regional Medical Director at Portsmouth Regional Hospital and Parkland Medical Center, where she oversaw hospitalist, emergency, and psychiatric service lines.
Yes. Dr. Nguyen offers both telehealth appointments and house calls for her patients. Members can also reach her directly by phone, text, or email, making it easy to get timely guidance without always coming into the office.
Dr. Nguyen takes a proactive, relationship-driven approach to managing chronic conditions. She dedicates 60-minute appointments to each visit, which gives her time to review the full picture of a patient's health. She also provides life and health coaching and nutritional consultation alongside medical management.
Yes. Dr. Nguyen incorporates life and health coaching into her care model. She also offers nutritional consultation for patients looking to address lifestyle factors alongside their medical treatment.
Dr. Nguyen was born in Vietnam and moved to Kansas City at age 16. Patients interested in language accommodations should contact the practice directly to discuss their needs.
Doctor profile last updated March 21, 2026