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

Jeffrey Thomas Maddock, MD

Individual provider Vascular & Interventional Radiology Physician · NPI 1922450790

Jeffrey Thomas Maddock, MD is an Interventional Radiology in Bismarck, North Dakota. Graduated from University of North Dakota School of Medicine in 2016, 10 years ago. Practices with St Alexius Medical Center, a 241-clinician group and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
10
Trained at
University of North Dakota School of Medicine
Licensed in
ND
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

900 E Broadway Ave
Bismarck, ND 58501-4520
Phone: (701) 530-5304
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 18369 (ND)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 18369 (ND)

Record details

NPI number1922450790
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2016
Last updated in NPPESDecember 18, 2023
Certification dateDecember 18, 2023
Mailing address900 E Broadway Ave, Bismarck, ND 58501-4520

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL RADIOLOGY
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice St Alexius Medical Center — 241 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare