Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Frederick Dresen III, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1205152469

Dr. William Frederick Dresen III, MD is a Cardiac Electrophysiology in Billings, Montana. Graduated from University of Miami, Lm Miller School of Medicine in 2010, 16 years ago. Practices with Billings Clinic, a 805-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
16
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
MT
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

801 N 29th St
Billings, MT 59101
Phone: (406) 238-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence MED-PHYS-LIC-62983 (MT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1205152469
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2010
Last updated in NPPESFebruary 7, 2022
Certification dateFebruary 7, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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