About
Dr. John D. Williams has practiced internal medicine in Stillwater, Oklahoma for over 30 years. He earned his Bachelor of Science from Oklahoma State University in 1975. He then earned his medical degree from the University of Oklahoma Health Science Center in 1980. He completed his Internal Medicine residency at Oklahoma University Tulsa Medical College in 1987. During that residency, he received the Dean's Award for Internal Medicine Research at the University of Oklahoma in 1986.
A Stillwater native, Dr. Williams opened Associates of Medicine in his hometown the same year he finished training. He holds a Diplomate designation from the American Academy of Pain Management. He serves as an active staff member at Stillwater Medical Center, where he held the role of Chief of Medicine in 1997. He has also chaired both the Infectious Disease and Utilization Control Facilities Committees at that center. His research interests span hypertension, diabetes, insomnia, osteoporosis, gastrointestinal conditions, cardiac dysrhythmia, and migraine headaches. He belongs to both the American Medical Association and the Oklahoma State Medical Association.
Education & Training
Undergraduate
Oklahoma State University, B.S., 1975
Medical School
University of Oklahoma Health Science Center, MD, 1980
Residency
Internal Medicine, Oklahoma University Tulsa Medical College, completed 1987
Additional Training
Deans Award for Internal Medicine Research, University of Oklahoma, 1986
Certifications
Conditions Treated
Who is Dr. Williams right for?
Dr. Williams is a strong fit for adults managing chronic conditions like hypertension, diabetes, high cholesterol, or heart disease. Patients dealing with sleep disorders, joint conditions, lung disease, or gastrointestinal concerns also fall squarely within his clinical scope. He suits patients who value long, unhurried appointments and a physician who engages deeply with their health history. Adults in and around Stillwater who want a long-term relationship with a physician rooted in their community will find his approach particularly well-matched to their needs.
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Frequently Asked Questions
Dr. Williams treats a broad range of adult conditions. His clinical focus includes hypertension, diabetes, heart disease, high cholesterol, lung disease, sleep disorders, osteoporosis, gastrointestinal conditions, cardiac dysrhythmia, migraine headaches, joint conditions, and respiratory illness. He also conducts preventive screenings and annual physicals.
Dr. Williams holds a Diplomate designation from the American Academy of Pain Management. He completed his Internal Medicine residency at Oklahoma University Tulsa Medical College in 1987 and has practiced in Stillwater for over 30 years.
Dr. Williams earned his medical degree from the University of Oklahoma Health Science Center in 1980. He completed his Internal Medicine residency at Oklahoma University Tulsa Medical College in 1987. During his residency, he received the Dean's Award for Internal Medicine Research at the University of Oklahoma in 1986.
Dr. Williams has practiced medicine in Stillwater, Oklahoma since 1987. He opened Associates of Medicine in his hometown the same year he completed his residency, giving him more than 30 years of continuous practice in the community.
Yes. Dr. Williams serves as an active staff member at Stillwater Medical Center. He previously served as Chief of Medicine there in 1997 and has chaired both the Infectious Disease Committee and the Utilization Control Facilities Committee at that institution.
Dr. Williams dedicates substantial time to each appointment. Visits average 30 to 45 minutes, and physicals can run up to 90 minutes. He takes time to explain findings in plain language and addresses all patient questions before concluding the visit.
Yes. Dr. Williams handles a significant amount of testing and treatment directly within the practice. This allows patients to address many diagnostic and treatment needs without traveling to outside facilities.
Dr. Williams belongs to the American Medical Association and the Oklahoma State Medical Association. He also holds a Diplomate designation from the American Academy of Pain Management.
Doctor profile last updated September 17, 2026