About
Dr. John Diggs has practiced internal medicine for over 35 years. He grew up in Pittsburgh, PA and completed his undergraduate education at Haverford College. He earned his medical degree from a medical school in Buffalo, NY, spent several years in California, then completed his Internal Medicine residency at Baystate Hospital in Springfield, MA. He holds the Diplomate credential from the American Board of Internal Medicine and has maintained board certification for 30 years.
Dr. Diggs served the Palmer, Monson, and Wilbraham area since 2005, first as a Wing Memorial Hospital employee and later as the physician behind the largest primary care practice in the Baystate system. He is passionate about holistic medicine, preventive care, and immune system optimization. He combines traditional allopathic medicine with complementary techniques and guides patients with a philosophy he calls Common Sense Medicine. His personal motto, "Primum non nocere" (First, do no harm), informs every clinical decision. Outside medicine, he competes in cycling and has played volleyball at the national level. He serves as a motivational speaker and enjoys training physician's assistants. He lives in Belchertown with his wife, a clinical psychologist, and together they have three daughters living across Massachusetts.
Education & Training
Undergraduate
Haverford College
Medical School
Medical school in Buffalo, NY
Residency
Internal Medicine, Baystate Hospital, Springfield, MA
Certifications
Who is Dr. Diggs right for?
Dr. Diggs is a strong fit for adults 17 and older who want a long-term, personal relationship with a single physician. Patients managing chronic conditions, preventive health goals, or immune health benefit from his holistic internal medicine approach. He works well with individuals who want thorough visits, direct access to their doctor, and care that accounts for the whole person. Patients who prefer to understand their own health deeply will find his interactive, question-driven style a natural fit.
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Frequently Asked Questions
Dr. Diggs specializes in internal medicine and primary care. His clinical interests include holistic medicine, preventive care, and immune system optimization. He combines traditional Western medicine with complementary techniques to address each patient's individual health picture.
Yes. Dr. Diggs holds the Diplomate credential from the American Board of Internal Medicine and has maintained board certification for 30 years.
Dr. Diggs attended Haverford College as an undergraduate and earned his medical degree in Buffalo, NY. He completed his Internal Medicine residency at Baystate Hospital in Springfield, MA, where he later built one of the most active primary care practices in the Baystate Health system.
Yes, always. Every appointment at John Diggs MD LLC is with Dr. Diggs. The practice runs as a true solo practice with no substitute physicians.
Dr. Diggs takes a personal, interactive approach. He asks detailed questions to understand each patient's attitudes, priorities, and health history. He views optimum health as the coordination of body, mind, and spirit, and tailors care accordingly.
Dr. Diggs has served the Palmer, Monson, and Wilbraham area since 2005. He spent 14 years working within the Baystate Health system before opening his independent DPC office in Wilbraham.
Yes. Dr. Diggs offers video visits for well-established patients at his discretion. Patients can choose from Zoom, Skype, WhatsApp, FaceTime, or Google Duo.
Dr. Diggs follows the motto "Primum non nocere" -- First, do no harm. He outlines his approach in a patient guide called Common Sense Medicine. He emphasizes early intervention, immune health, and treating each patient as a unique individual rather than applying one-size-fits-all protocols.
Doctor profile last updated April 10, 2026