William Frederick Dresen, M.D.
Clinical Cardiac Electrophysiology Physician · Billings, MT
William Frederick Dresen, M.D. is a clinical cardiac electrophysiology physician with a practice address in Billings, Montana, and NPI 1205152469, issued on Apr 13, 2010. Check the license (Montana MED-PHYS-LIC-62983, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Frederick Dresen
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- MED-PHYS-LIC-62983 MT
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (406) 238-2000
- Enumerated
- Apr 13, 2010
- Record last updated
- Feb 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20180913000008); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 16 in Montana → Look up another NPI →
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kylie Abeson, MD, MPHPediatrics Physician1699334987
- Juan Adams, M.D.Allergy & Immunology Physician1144512096
- Daniel AlmeStudent in an Organized Health Care Education/Training Program1477349165
- Luis Alvarez, MDClinical Cardiac Electrophysiology Physician1417951922
- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify William Frederick Dresen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-62983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
1,328 Medicare Part D claims for 325 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Eliquis317 claims
- Metoprolol Succinate222 claims
- Carvedilol88 claims
- Atorvastatin Calcium82 claims
- Mupirocin68 claims
- Xarelto67 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $980.61
40 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Billings ClinicCody, WY
- Daniels Memorial HospitalBillings, MT · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
William Frederick Dresen among 16 clinical cardiac electrophysiology physician records in Montana
William Frederick Dresen, M.D. is one of 16 clinical cardiac electrophysiology physician records with a practice address in Montana. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 25% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2010 · median 2004 among the 12 with a school on file
- Record last updated2022 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Montana
There are 16 clinical cardiac electrophysiology physician records in Montana.
All 16 in Montana → Every provider in Billings → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Luis Alvarez, MDBillings, MT 591011417951922
- Loren Budge, MDBillings, MT 591011942414594
- Harry Kopelman, MDBillings, MT 591011275532897
- Joseph Muhlestein, M.D.Billings, MT 591011760826978
- Anastasios Saliaris, M.D.Billings, MT 591011982673885
- Alan Thometz, MDBillings, MT 591011992804843
- Edmund Brennan, MDGreat Falls, MT 594051003812660
- Supraja ThunuguntlaGreat Falls, MT 594051467957324
Common questions
What is William Frederick Dresen, M.D.'s NPI number?
William Frederick Dresen, M.D.'s National Provider Identifier (NPI) is 1205152469, issued on Apr 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Frederick Dresen, M.D. located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (406) 238-2000. Providers update this record themselves, so call before visiting.
How can I verify William Frederick Dresen, M.D.'s license?
NPPES lists Montana license number MED-PHYS-LIC-62983, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Frederick Dresen, M.D. prescribe under Medicare Part D?
In 2024, William Frederick Dresen, M.D. had 1,328 Medicare Part D claims for 325 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is William Frederick Dresen, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.