About
Dr. Daniel H. Kallmerten brings more than 40 years of medical experience to Lakes Region Internal Medicine. He studied biology at Harvard University before pursuing medicine. He initially considered orthopedic surgery, then chose Internal Medicine instead. He has practiced in New Hampshire's Lakes Region since 1987. His career included 35 years in Emergency Medicine, overlapping with Internal Medicine for the final decade before he left the ER in 2022.
Dr. Kallmerten holds board certification in Internal Medicine. His clinical focus covers chronic disease management, including diabetes, hypertension, and high cholesterol, along with preventive screenings and acute care assessment. He has a deep interest in Lyme disease, a significant health concern in the region. Outside medicine, he and his wife stay active in the Gilford community, with particular involvement in local sports. He founded Lakes Region Internal Medicine in 2025 as a former Division 1 lacrosse player at Harvard turned longtime community physician.
Education & Training
Undergraduate
Harvard University, Biology
Additional Training
35 years Emergency Medicine experience; Internal Medicine practice in Lakes Region since 1987
Certifications
Conditions Treated
Who is Dr. Kallmerten right for?
Dr. Kallmerten works well with adults managing ongoing conditions like diabetes, hypertension, high cholesterol, or asthma. His emergency medicine background makes him a strong fit for patients who want rapid, experienced triage for acute illness or injury. Adults seeking thorough preventive screenings, especially those over 45, benefit from his longitudinal approach. Patients throughout the Lakes Region who want direct access to their physician, including by phone and text, find his model a natural fit.
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Frequently Asked Questions
Dr. Kallmerten treats a wide range of adult conditions. These include diabetes, hypertension, high cholesterol, obesity, asthma, COPD, osteoporosis, and arthritis. He also manages acute illness, acute injury, and Lyme disease. His emergency medicine background adds depth to his acute care assessments.
Yes. Dr. Kallmerten holds board certification in Internal Medicine. He also brings more than 40 years of combined Internal Medicine and Emergency Medicine experience to his practice.
Dr. Kallmerten graduated from Harvard University with a degree in biology. He went on to complete his medical training and has practiced Internal Medicine in the Lakes Region of New Hampshire since 1987.
Dr. Kallmerten has practiced medicine in the Lakes Region since 1987. That includes 35 years working in Emergency Medicine and an overlapping period in Internal Medicine before he left the ER in 2022 to focus fully on direct primary care.
Dr. Kallmerten develops individualized care plans for patients with chronic conditions. He monitors progress over time and keeps patients actively involved in their health goals. His approach includes regular communication, lifestyle guidance, and adjustments as health needs change.
Yes. Dr. Kallmerten draws on 35 years of emergency medicine experience to assess acute illness and injury quickly. He evaluates urgent concerns by phone, telehealth, or in-person visits. His goal is to help members avoid unnecessary urgent care or emergency room visits when possible.
Yes, preventive care is a core part of Dr. Kallmerten's practice. He recommends adult preventive screenings starting at age 45, or earlier based on exam findings, family history, and genetics. He also provides cancer screenings, annual exams, and personalized lifestyle guidance.
Yes. Lyme disease is a significant concern in New Hampshire's Lakes Region, and Dr. Kallmerten actively focuses on its prevention and treatment. His deep familiarity with local tick-borne illness makes him well-suited to assess and manage Lyme disease in adult patients.
Dr. Kallmerten performs a range of in-office procedures. These include EKGs, cryotherapy, joint aspirations and injections, excisions, laceration repair, and punch biopsies. He also processes lab specimens and interprets pathology in-house.
Yes. Dr. Kallmerten incorporates nutrition counseling, exercise guidance, sleep coaching, and mental health and stress management coaching into his care. He builds lifestyle plans tailored to each patient's goals and health history.
Doctor profile last updated June 11, 2026