Brenna Sue Ostertag, MD
Internal Medicine Physician · Portland, OR
Brenna Sue Ostertag, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1932894102, issued on Apr 5, 2023. Check the license (Oregon MD230030, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brenna Sue Ostertag
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD230030 OR
Self-reported in NPPES; status is on the state search - Practice location
- 5050 NE Hoyt St Ste 540, Portland, OR 97213
- Phone
- (503) 215-6600
- Enumerated
- Apr 5, 2023
- Record last updated
- Jun 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20260511002099); may accept Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 5050 NE Hoyt St Ste 540
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brenna Sue Ostertag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD230030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
348 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium40 claims
- Duloxetine Hcl18 claims
- Amlodipine Besylate15 claims
- Lantus Solostar14 claims
- Pantoprazole Sodium13 claims
- Tamsulosin Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Brenna Sue Ostertag among 2,116 internal medicine physician records in Oregon
Brenna Sue Ostertag, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2023 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andris Antoniskis, MDPortland, OR 972131528067972
- Shikha Arun, MDPortland, OR 972131306881834
- Christopher BaronePortland, OR 972131831187657
- Ruben Halperin, MDPortland, OR 972131457306763
- Kimberly Herder, MDPortland, OR 972131811975741
- Jeffrey Horacek, MDPortland, OR 972131790721215
- Shannon Jackson, MDPortland, OR 972131558301168
- William Kennedy, DOPortland, OR 972131467431452
Common questions
What is Brenna Sue Ostertag, MD's NPI number?
Brenna Sue Ostertag, MD's National Provider Identifier (NPI) is 1932894102, issued on Apr 5, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Brenna Sue Ostertag, MD located?
The NPPES record lists a practice address at 5050 NE Hoyt St Ste 540, Portland, OR, 97213. Phone: (503) 215-6600. Providers update this record themselves, so call before visiting.
How can I verify Brenna Sue Ostertag, MD's license?
NPPES lists Oregon license number MD230030, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brenna Sue Ostertag, MD prescribe under Medicare Part D?
In 2024, Brenna Sue Ostertag, MD had 348 Medicare Part D claims for 52 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.