Dr. John Peter Bretzman, MD

  • Rochester, MN
  • Interventional radiologist
NPI1083242564PAC ID3971927385
Part D claims, 2024
36
Publications
6
Hospital affiliations
3
Industry payments
$85
Medical groups
2
Practice address
1216 Second Street Southwest, Rochester, MN 55902
Practice phone
Call (507) 255-5123
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Hospital, Saint Marys Campus

Hospital · Rochester, Minnesota

See all 6 affiliations

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Dr. John Peter Bretzman is an interventional radiologist in Rochester, Minnesota

Dr. Bretzman practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.

Dr. Bretzman's NPI, 1083242564, was assigned on March 30, 2020. Dr. Bretzman graduated from Rush Medical College in 2020. Dr. Bretzman holds Minnesota license 69553.

NPI and contact details
Medicare PAC ID
3971927385
NPI enumeration date
March 30, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(507) 255-5123
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Peter Bretzman practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota

Dr. Bretzman's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.

Source: Dmand AI Affiliation Data

Dr. John Peter Bretzman is affiliated with 4 sites of care and 2 medical groups

Dr. Bretzman's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dr. Bretzman is also affiliated with Sanford Bismarck Medical Center. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Bretzman to 1 more hospital, 1 hospice and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Bretzman

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Peter Bretzman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bretzman practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Hospital, Saint Marys CampusAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Peter Bretzman is one of 72 interventional radiologists in Minnesota

Vascular and interventional radiology is Dr. Bretzman's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Bretzman is board certified in internal medicine by the American Board of Internal Medicine. Dr. Bretzman is licensed in Minnesota.

Specialties and state licenses

  • Vascular and interventional radiology, MinnesotaPrimaryLicense 69553 · 2021 to 2026 · taxonomy 2085R0204X

Interventional radiologists near Dr. Bretzman

Counts of interventional radiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Peter Bretzman's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. Bretzman's median patient age at 67, with 55% women.

Dr. Bretzman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women55%
  • Men45%

Source: Dmand AI Patient Panel Data

Dr. John Peter Bretzman wrote 36 Medicare Part D claims in 2024

In 2024, Dr. Bretzman wrote 36 Medicare Part D claims for 17 patients. 89% of them were for generic drugs. They cover 11 drugs, with $20,344 in total drug cost. In 2022, CMS named 289 claims across 17 drugs.

Part D claims, 202436
Drugs named by CMS11
Total drug cost$20,344
Part D patients17

Dr. Bretzman's Part D claims by kind of drug, 2024

  • Generic32 claims89%
  • Brand-name and other4 claims11%

Dr. Bretzman's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 2892023: 20429%

Drugs named by CMS: 11 in 2023, 17 in 2022.

See all prescribing by Dr. Bretzman

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. John Peter Bretzman takes part in Medicare

Dr. Bretzman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John Peter Bretzman has 6 publications on record

Dmand AI links 6 papers to Dr. Bretzman, published from 2021 to 2024. 2022 was the busiest year, with 2. The most frequent topics are Atrial Fibrillation and Stroke. Dr. Bretzman's most frequent co-authors are Samuel J. Asirvatham, MD, Christopher V. Desimone and Rekha Mankad, MD.

Papers6
Years published2021 to 2024

Dr. Bretzman's papers by year, 2021 to 2024

Topics Dr. Bretzman writes about most

  • Atrial Fibrillation
  • Stroke

Dr. Bretzman's most frequent co-authors

Recent publications by Dr. Bretzman

See all 6 publications and co-authors

See who Dr. Bretzman researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bretzman works with, so you can find a warm path to the right interventional radiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Peter Bretzman received $85 in industry payments in 2025

CMS Open Payments shows 2 general payments to Dr. Bretzman from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. TriSalus Life Sciences, Inc. paid the most, $67.

Companies that paid Dr. Bretzman the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bretzman

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Peter Bretzman graduated from Rush Medical College

Dr. Bretzman graduated from Rush Medical College in 2020.

  1. Medical schoolRush Medical College
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John Peter Bretzman accepts plans from 2 insurance carriers

Dr. Bretzman is in network with 2 carriers, including CMS Medicare and WI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare
  • WI State Medicaid

Plan types Dr. Bretzman accepts, by number of carriers

  1. Medicaid1
  2. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Peter Bretzman's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Peter Bretzman

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Peter Bretzman's NPI number?

Dr. John Peter Bretzman's NPI number is 1083242564. It was assigned on March 30, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. John Peter Bretzman?

Dr. John Peter Bretzman is an interventional radiologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).

Where does Dr. John Peter Bretzman practice?

Dr. Bretzman practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Bretzman's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Bretzman to 1 hospital, 1 hospice and 1 medical group.

What is Dr. John Peter Bretzman's office phone number?

The practice phone on file for Dr. Bretzman is (507) 255-5123.

What is Dr. John Peter Bretzman's medical license number?

Dr. Bretzman holds Minnesota license 69553.

Which hospitals is Dr. John Peter Bretzman affiliated with?

Dr. Bretzman practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota. Dr. Bretzman is also affiliated with Sanford Bismarck Medical Center. Dmand AI links Dr. Bretzman to 1 more hospital.

What medical group is Dr. John Peter Bretzman part of?

Dr. Bretzman is linked to Mayo Clinic. Dmand AI links Dr. Bretzman to 1 more medical group.

Does Dr. John Peter Bretzman accept Medicare?

Yes. CMS lists Dr. Bretzman as accepting Medicare assignment.

Is Dr. John Peter Bretzman board certified?

Yes. Dr. Bretzman is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. John Peter Bretzman go to medical school?

Dr. Bretzman graduated from Rush Medical College in 2020.

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What drugs does Dr. John Peter Bretzman prescribe most?

In 2023 Medicare Part D data, Dr. Bretzman's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Sertraline HCl.

Has Dr. John Peter Bretzman received payments from drug or device companies?

CMS Open Payments shows $85 in general payments to Dr. Bretzman from 2 companies from 2025 to 2025. The largest total came from TriSalus Life Sciences, Inc.

How long has Dr. John Peter Bretzman been practicing?

Dr. Bretzman graduated from medical school in 2020, 6 years ago.

Does Dr. John Peter Bretzman do research?

Dmand AI links 6 publications to Dr. Bretzman, published from 2021 to 2024.

Who does Dr. John Peter Bretzman publish with?

Dr. Bretzman's most frequent co-authors are Samuel J. Asirvatham, MD (2 shared papers), Christopher V. Desimone (2 shared papers) and Rekha Mankad, MD (2 shared papers).

What insurance does Dr. John Peter Bretzman accept?

Dr. Bretzman is in network with 2 carriers, including CMS Medicare and WI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

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