William Frederick Dresen, M.D.
Clinical Cardiac Electrophysiology
William Frederick Dresen is a Clinical Cardiac Electrophysiology specialist based in Billings, MT with over 16 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
William Frederick Dresen, M.D. specializes in internal medicine, serving patients in Billings, MT in group practice. A University of Miami, Lm Miller School of Medicine graduate since 2010, he brings 16+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and afib (per CMS claims data).
Older · 1566dNPPES updated 2022-02-07 · verify NPI on CMS · Verify license at Montana Board of Medical Examiners
How Does This Doctor Compare?
MIPS Score
202346.94/100
Montana avg: 84.7 · US avg: 83.6
⚠ Lower than most doctors nationally(-36.7 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better64.8%
Montana avg: 85 · US avg: 82.8
⚠ Lower than most doctors nationally(-18 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
2,398
Unique beneficiaries
Very high volumePrescription Recipients
246
Patients prescribed
Prescriptions Written
995
Total claims
Total Medicare drug cost: $339k
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 Hypertension, High Cholesterol, and Atrial Fibrillation.
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 (-4%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+35%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+13%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+22%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-6%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-2%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$981 received from industry
40 transactions reported in 2024 ·Moderate 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 William Frederick Dresen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2010
University of Miami Miller School of Medicine
Board certified · Feb 6, 2022
Self-reported via NPPES
16 years in practice
Experienced
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Taxonomy: 207RC0001X
Education & Training
University of Miami, Lm Miller School of Medicine (Class of 2010)
Mailing address
Po Box 35100, Billings, MT 59107-5100
Differs from practice location
Virtual Clinical Cardiac Electrophysiology Care With William Frederick Dresen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William Frederick Dresen for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Billings 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 William Frederick Dresen
Dr. Dresen is listed as active in the NPI registry with telehealth listed in Billings, MT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (406) 238-2000.
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 William Frederick Dresen
Practice Location
801 N 29th St, Billings, MT 59101
Mailing Address
Po Box 35100, Billings, MT 59107-5100
This is a provider directory. Contact the office directly to schedule appointments.
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