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Andrew J. Sebastyan, MD


St. Joseph Hospital Family Medicine & Specialty Services - Hudson

208 Robinson Road,
Hudson, NH, 03051

Phone: 603-882-6700
Fax: 603-598-6440

Monday - Friday: 8 a.m. to 5 p.m.

Andrew J. Sebastyan, MD



Medical School: University of Ottawa, Ottawa, Ontario, Canada

Residency: Ottawa General Hospital, Ottawa, Ontario, Canada


American Board of Family Medicine – Certified

Additional Information

“Excellent physician associated with St. Joe’s in Greater Nashua. Nice, caring staff, and super clean facility. Always available.” – John

“Dr. Sebastyan is fantastic. He’s patient and listens attentively. He takes a holistic approach to healthcare and treats the person accordingly. He is highly skilled, experienced, and compassionate. He’s been my doctor for 11 years and I am very grateful to have him at the head of my healthcare team.” – Michael

“I am 37 and have had 3 PCPs since I’ve been an adult. Dr. Sebastyan is by far the best doctor I have ever had. He is super easy to talk to, knowledgeable, and it’s actually a pleasure to go see him. Not only that but the staff is always extremely helpful. I’m really glad I found Dr. Sebastyan and the team at St. Joe’s.” – Steve

“Dr. Sebastyan has been my PCP for many years and has been an exceptional, caring, knowledgeable physician who has helped me stay healthy and reach my best years as an octogenarian. His warm smile and welcoming demeanor have seen me through many trials and tribulations. He is and always will be my rock! I trust his judgement completely and will always seek his advice.” – Pauline

“He’s always checking history to see that everything is up to date. And takes time for my questions.” – Joan

“One of the few primary care physicians I’ve had where I actually look forward to my appointments! Strong medical knowledge, honest and open communicator, and great sense of humor. Highly recommend!” – Paul

“Absolutely phenomenal! Could not ask for a better provider! Listens carefully, acknowledges, asks questions and makes it so you are the only priority!”

“Dr. Sebastyan is the best!” – Richard

“Very caring and comforting doctor. He is always wanting to help. The best doctor we have.” – James

“Dr. Sebastyan has consistently shown how he really cares for his patients. My wife and I are very thankful for his attention to care and for our medical needs. Truly appreciate his help and support. His smile along with extensive experience gives us hope and confidence in our care.” – Daniel

“Great service. Love the fact that they have students working side by side, getting the next generation of healthcare professionals ready. Keep up the good work! Dr. Sebastyan is always attentive listening to my concerns and getting my needs taken care of.” – Richard

“Dr. Sebastyan is always there for you when you need him. You can tell that his focus is on you and not some other distractions. He’s very funny and he makes me feel comfortable enough to share anything that is on my mind. Thank you Dr. Sebastyan.” – Deb