Associates of Medicine
Quick Facts
| Membership Price Range | $1,500/yr |
| Practice Type | Concierge |
| Location | Stillwater, Perkins |
| Doctors | John Williams MD, Internal Medicine |
| Year Founded | 1987 |
| Insurance Accepted | Aetna, Anthem, Blue Cross and Blue Shield, CIGNA, Coventry Health Care, Humana, Medicare, Tricare, United Healthcare |
About
At Associates of Medicine, Dr. John D. Williams has served the Stillwater community as a concierge internist since 1987. A native of Stillwater, he built his practice in his hometown and has remained a fixture of its medical community for over 30 years. He partners with SignatureMD to deliver his Personalized Care Program, which keeps panel size limited so each patient receives his full attention.
Dr. Williams schedules visits averaging 30 to 45 minutes, with physicals running up to 90 minutes. He reaches members by phone, text, or email around the clock. The practice handles a wide range of adult health needs, from preventive screenings and chronic disease management to conditions like hypertension, diabetes, cardiac dysrhythmia, and sleep disorders. His in-house testing and treatment capabilities let patients address many concerns without leaving the office. Patients can typically secure a same-day or next-business-day appointment.
Details
Address
608 S Hester St., Stillwater, OK 74074
Phone
(405) 377-8000Website
Visit websiteMembership
$1,500/annual
Membership Details
Annual membership rate of $1,500.00. Family plan available with ability to add/remove members. Discounts applied when membership cost is calculated.
Typical Appointment
37 minutes
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Frequently Asked Questions
The annual membership rate at Associates of Medicine is $1,500. The practice also offers a family plan that allows members to add or remove individuals. Discounts apply when the practice calculates the total membership cost for a group.
Yes. Associates of Medicine offers same-day appointments for members. When same-day availability is not possible, the practice schedules appointments for the next business day.
Visits at Associates of Medicine average 30 to 45 minutes. Annual physicals can run up to 90 minutes. Dr. Williams uses that time to discuss findings thoroughly and answer all patient questions.
Members can reach Dr. Williams by phone, text, or email 24 hours a day, seven days a week. This direct access allows members to get timely answers whether they are managing a chronic condition or handling an unexpected concern.
Associates of Medicine accepts several major insurance plans, including Aetna, Anthem, Blue Cross and Blue Shield, CIGNA, Coventry Health Care, Humana, Medicare, Tricare, and United. The annual membership fee is separate from insurance billing. Patients should contact their insurance provider to verify in-network participation.
8000. The practice also welcomes consultation appointments for those who want to meet Dr. Williams before enrolling.
Yes. The practice offers a patient portal where members can manage their care online. Dr. Williams also stays available by phone, text, and email for ongoing communication between visits.
Associates of Medicine focuses on adult patients. Dr. Williams specializes in internal medicine, which centers on diagnosing and treating conditions in adults and adolescents over 18 years of age.
The practice covers a wide scope of adult primary care. Services include annual physicals, preventive screenings, chronic disease management, and treatment of conditions such as hypertension, diabetes, heart disease, high cholesterol, lung disease, sleep disorders, joint conditions, and respiratory illness.
Practice last updated September 17, 2026