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

John Peter Bretzman, MD

Individual provider Diagnostic Radiology Physician · NPI 1083242564

John Peter Bretzman, MD is an Interventional Radiology in Bismarck, North Dakota. Qualified in 2020, 6 years ago. Practices with Sanford Bismarck, a 561-clinician group and accepts Medicare assignment. Licensed in Minnesota and North Dakota.

Years since qualifying
6
Licensed in
MN, ND
In the registry since
2020
Specialties on file
4
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

300 N 7th St
Bismarck, ND 58501-4439
Phone: (701) 323-6000
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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 PT22873 (ND)
Internal Medicine Physician Taxonomy 207R00000X · Licence 69553 (MN)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 69553 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 30947 (MN)

Record details

NPI number1083242564
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2020
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025
Mailing addressPo Box 5074, Sioux Falls, SD 57117-5074

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL RADIOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Sanford Bismarck — 561 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Bismarck