Quick answers
- Does Brett A. Oestreich accept Medicare assignment?
- Yes. Medicare's clinician data says Brett A. Oestreich accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brett A. Oestreich see?
- In 2024, CMS data shows 1,259 Original Medicare patients and 1,694 services for Brett A. Oestreich. This counts Original Medicare only and measures volume, not quality.
- What is Brett A. Oestreich's NPI number?
- 1023384211. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brett A. Oestreich, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,259 |
|---|---|
| Services billed to Medicare | 1,694 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,104 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)85 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)66 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)38 services
- Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (93458)36 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol70%
- Arthritis42%
- Ischemic heart disease42%
- Anxiety34%
- Atrial fibrillation34%
Hospitals where Brett A. Oestreich works
Medicare's Facility Affiliation Data lists Brett A. Oestreich at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Amery Hospital & ClinicAmery, WI · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 521308
- Hudson HospitalHudson, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521335
- Lakeview Memorial HospitalStillwater, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240066
- Regions HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240106
- Westfields Hospital and ClinicNew Richmond, WI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 521345
Practice locations
Addresses where Brett A. Oestreich is enrolled with Medicare (CMS data updated October 2, 2026).
- 640 Jackson StSaint Paul, MN 55101 (651) 254‑4786
Group practices
Medicare enrollment lists Brett A. Oestreich as a member of this group (CMS data updated October 2, 2026).
- Group Health Inc1,638 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saint Paul
Clinicians with the same Medicare primary specialty in Saint Paul, MN — not a recommendation.
Other clinicians in Group Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023384211 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians