John Hamilton Addison, MD
Geriatric Medicine Internal Medicine
John Hamilton Addison is a Geriatric Medicine Internal Medicine specialist based in Mercer Island, WA with over 47 years of clinical experience. Offers virtual telehealth visits.
Patients across WA can see John Hamilton Addison, MD in person in Mercer Island or via virtual visit — no travel required. Trained at University of Washington School of Medicine (class of 1979), he has been practicing for over 47 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Uses generic medications more than 36% of reporting doctors in Washington
- Virtual visits available — no app or travel required
Older · 603dNPPES updated 2024-09-27 · verify NPI on CMS · Verify license at Washington Medical Commission
Contact & Location
Practice Location
9725 Se 36th St Ste 214, Mercer Island, WA 98040-3840
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-6%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+6%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+31%) — a focus area for this doctor
Progressive brain disorders causing memory loss and cognitive decline
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+11%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+19%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1979
University of Washington School of Medicine
Board certified · Sep 26, 2024
Self-reported via NPPES
47 years in practice
Senior practitioner
Geriatricians specialize in healthcare for older adults, managing multiple chronic conditions, medication interactions, cognitive decline, falls prevention, and end-of-life care planning.
Taxonomy: 207RG0300X
Education & Training
University of Washington School of Medicine (Class of 1979)
Mailing address
Po Box 1526, Mercer Island, WA 98040-1526
Differs from practice location
Virtual Geriatric Medicine Care With John Hamilton Addison
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Hamilton Addison for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Mercer Island required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about John Hamilton Addison
Dr. Addison is listed as active in the NPI registry with telehealth listed in Mercer Island, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (206) 275-3588.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact John Hamilton Addison
Practice Location
9725 Se 36th St Ste 214, Mercer Island, WA 98040-3840
Mailing Address
Po Box 1526, Mercer Island, WA 98040-1526
This is a provider directory. Contact the office directly to schedule appointments.
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