John B Casper, M.D.
Addiction Medicine Internal Medicine
John B Casper is an Addiction Medicine Internal Medicine specialist based in Hayden, ID with over 44 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: ADDICTION MEDICINE
Patients across ID can see John B Casper, M.D. in person in Hayden or via virtual visit — no travel required. Trained at University of Washington School of Medicine (class of 1982), he has been practicing for over 44 years. Among his Medicare patients, common conditions include hypertension, arthritis, and high cholesterol (per CMS data).
At a glance
- Uses generic medications more than 89% of reporting doctors in Idaho
- Virtual visits available — no app or travel required
Older · 166dNPPES updated 2025-12-08 · verify NPI on CMS · Verify license at Idaho State Board of Medicine
Contact & Location
Practice Location
9030 N Hess St Ste 474, Hayden, ID 83835-9827
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better96.2%
Idaho avg: 84.8 · US avg: 82.8
✓ Higher than most doctors nationally(+13.4 pts)
Better than 89% of reporting doctors in IdahoHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
59
Unique beneficiaries
Standard volumePrescription Recipients
15
Patients prescribed
Prescriptions Written
314
Total claims
Total Medicare drug cost: $35k
Percentile rankings compared against 179 reporting peers in Idaho.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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, Arthritis, and High Cholesterol.
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
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-2%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+7%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+1%) — 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 (+11%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-5%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$271 received from industry
5 transactions reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to John B Casper's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1982
University of Washington School of Medicine
Board certified · Dec 7, 2025
Self-reported via NPPES
44 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Taxonomy: 207RA0401X
Education & Training
University of Washington School of Medicine (Class of 1982)
Virtual Addiction Medicine Care With John B Casper
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John B Casper for blood pressure monitoring, arthritis follow-ups, cholesterol management — no travel to Hayden required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about John B Casper
Dr. Casper is listed as active in the NPI registry with telehealth listed in Hayden, ID. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (208) 514-0518.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact John B Casper
Practice Location
9030 N Hess St Ste 474, Hayden, ID 83835-9827
Mailing Address
9030 N Hess St Ste 474, Hayden, ID 83835-9827
This is a provider directory. Contact the office directly to schedule appointments.
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