John Waldron Mccahan, MD
Rheumatology Internal Medicine
John Waldron Mccahan is a Rheumatology Internal Medicine specialist based in Bozeman, MT with over 23 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
John Waldron Mccahan, MD practices as part of a group rheumatologist practice in Bozeman, MT. He graduated from Temple University School of Medicine in 2003 and has 23+ years of clinical experience. Among his Medicare patients, common conditions include arthritis, hypertension, and high cholesterol (per CMS data). CMS MIPS quality score: 80.81/100 (2023).
At a glance
- Uses generic medications more than 42% of reporting doctors in Montana
- Federal MIPS score higher than 21% of MIPS-scored doctors in Montana
- Virtual visits available — no app or travel required
Older · 409dNPPES updated 2025-04-09 · verify NPI on CMS · Verify license at Montana Board of Medical Examiners
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
202380.81/100
Montana avg: 84.7 · US avg: 83.6
⚠ Lower than most doctors nationally(-2.8 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better12.66%
Montana avg: 7.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+7.6 pts)
12.66% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better88.4%
Montana avg: 85 · US avg: 82.8
✓ Higher than most doctors nationally(+5.6 pts)
Typical range among reporting doctors in MontanaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
360
Unique beneficiaries
Standard volumePrescription Recipients
292
Patients prescribed
Prescriptions Written
2,252
Total claims
Total Medicare drug cost: $1.31M
Percentile rankings compared against 214 reporting peers in Montana.
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 Arthritis, Hypertension, and High Cholesterol.
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-12%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-16%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+9%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$96 received from industry
4 transactions reported in 2024 ·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 2024, attributed to John Waldron Mccahan's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2003
Lewis Katz School of Medicine at Temple University
Board certified · Apr 8, 2025
Self-reported via NPPES
23 years in practice
Experienced
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
Temple University School of Medicine (Class of 2003)
Mailing address
915 Highland Blvd, Bozeman, MT 59715-6902
Differs from practice location
Virtual Internal Medicine Care With John Waldron Mccahan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Waldron Mccahan for arthritis follow-ups, blood pressure monitoring, cholesterol management — no travel to Bozeman 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 Waldron Mccahan
NPI records show Dr. Mccahan as active with telehealth listed in Bozeman, MT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (406) 414-5198.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact John Waldron Mccahan
Practice Location
931 Highland Blvd Ste 3260, Bozeman, MT 59715-6907
Mailing Address
915 Highland Blvd, Bozeman, MT 59715-6902
This is a provider directory. Contact the office directly to schedule appointments.
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