Dr. Ken Berthiaume hails from Massachusetts and has been a licensed Doctor of Chiropractic there for over 35 years. Now relocated and licensed in New hampshire as well, Dr. Ken lives with his wife, Michelle, and step-daughter and has children and grandchildren in Massachusetts and Maine. After earning his Bachelor of Science degree from Stonehill College, Dr. Ken graduated from “The Fountainhead of Chiropractic,” Palmer College, in Davenport, Iowa. He enjoys most sports and was happy to be part of his high school hockey team that was privileged to play 3 games at the old Boston Garden! Chiropractor in Portsmouth-Duke Family Chiropractic -Seacoast Chiropractic, Portsmouth Chiropractor :: Meet the Doctors!

Meet the Doctors!(2)

  • Dr. Duke Lovetere

    Dr. Duke Lovetere was born and raised in Woodbury, CT. He has been treating families since 2009 at his practice in Greenland, NH, which is conveniently located just two miles from Portsmouth, off Interstate 95. He specializes in Pediatric and Family care. As a Chiropractor with over 20 years experience, he promotes the health and well being of his patients. 

    In his leisure time Dr. Duke enjoys traveling, outdoor activities including paddleboarding, fishing, and hunting, and he has a German Shorthaired Pointer named Fritzie.


    Hebron Academy
    Bentley College
    University of Maine
    Doctor of Chiropractic, Cum Laude, Life University


    Certificate of X-Ray theory and competence, Life University
    Chiropractic Biophysics certification
    Completion of parts I, II, III, IV and Physiotherapy, National Board of Chiropractic Examiners
    Chiropractic Pediatric Certification, Detroit Michigan

    Memberships & Associations:

    Initiated and organized the Dave Young Foundation
    Special Olympic Coach and Sponsor 
    Hospital visits in character costumes
    Rotary Club
    Rye Lions Club
    NH Association for the Blind
    The United Way
    Crutches for Africa
    Pennies for Peace
    Jason's Ladder
    Portsmouth Chamber of Commerce

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Office Hours

Our Regular Schedule


8am - 9:30 am & 11:00 am - 12:00 Pm

3:00 pm - 6:00pm



3:00 pm - 6:00pm


8 am - 9:30 am & 11 am - 12:00 pm

3:00 pm - 6:00pm


8 am - 9:30 am & 11 am - 12:00 pm

3:00 pm - 6:00 pm











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Reviews By Our Satisfied Patients

  • "Look what our friends on Facebook have been saying about us!

    "First chiropractic experience and they're AWESOME, after three sessions able to run and not be in pain afterwards. Absolutely worth it!"

    "Super friendly and helpful! I went in for some back pain and Dr. Duke and the team have been working very hard to sort me out! I would recommend their services to anyone!"

    "Duke family chiropractic is excellent. The staff there are super friendly and make you feel welcome. I've been going three months now, twice a week to get adjusted. My back and neck feel a whole lot better and pain free. I would recommend them to anyone who going through any pain."

    Want to see more, visit us on Facebook!

    John Doe / Greenland, NH

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