Michael S. Oldenburg, MD
Otolaryngology Physician · Green Bay, WI
Michael S. Oldenburg, MD is an otolaryngology physician with a practice address in Green Bay, Wisconsin, and NPI 1770847683, issued on Jun 26, 2012. Check the license (Wisconsin 67254-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael S. Oldenburg
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 67254-20 WI
56672 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1860 Shawano Ave, Green Bay, WI 54303
- Phone
- (920) 496-4700
- Enumerated
- Jun 26, 2012
- Record last updated
- Feb 5, 2024
- Medicaid ID
- 100037584 WI
- Medicare enrollment
- Enrolled (PECOS I20170929002292); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 231 in Wisconsin → Look up another NPI →
Also registered at 1860 Shawano Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwabena Adu-Gyamfi, MDGastroenterology Physician1154677391
- Arpana Aryal Bagale, APNPNurse Practitioner1427874619
- Tracey Aukerman, M.A.,CCC-AAudiologist1568461481
- Alexander Barr, MDOtolaryngology Physician1174015176
- Tara Benson, APNPFamily Nurse Practitioner1124868187
- Kadie Biese, AUDAudiologist1023955341
Verify Michael S. Oldenburg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 67254-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average otolaryngology physician in 2024
274 Medicare Part D claims for 153 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 54 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen48 claims
- Ipratropium Bromide43 claims
- Prednisone26 claims
- Amoxicillin-Clavulanate Potass22 claims
- Ciprofloxacin-Dexamethasone14 claims
- Ofloxacin13 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.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $202.07
3 payments; by number, the most common kind was food and beverage; the largest payer was Cochlear Americas. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael S. Oldenburg among 231 otolaryngology physician records in Wisconsin
Michael S. Oldenburg, MD is one of 231 otolaryngology physician records with a practice address in Wisconsin. 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 2012, is newer than 70% of them.
- NPI issued2012 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2004 among the 147 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Wisconsin
There are 231 otolaryngology physician records in Wisconsin.
All 231 in Wisconsin → Every provider in Green Bay → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Alexander Barr, MDGreen Bay, WI 543031174015176
- Scott Hunt, MDGreen Bay, WI 543031467478255
- Douglas Dawson, MDGreen Bay, WI 543041275519043
- Andrew Vanbruggen, DOGreen Bay, WI 543041003337809
- James Clemens, MDGreen Bay, WI 543011871519900
- Bradley GietmanGreen Bay, WI 543011477088284
- Jennifer Lynch, M.D.Green Bay, WI 543011376686493
- Justin Miller, M.D.Green Bay, WI 543011134142185
Common questions
What is Michael S. Oldenburg, MD's NPI number?
Michael S. Oldenburg, MD's National Provider Identifier (NPI) is 1770847683, issued on Jun 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Oldenburg, MD located?
The NPPES record lists a practice address at 1860 Shawano Ave, Green Bay, WI, 54303. Phone: (920) 496-4700. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Oldenburg, MD's license?
NPPES lists Wisconsin license number 67254-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael S. Oldenburg, MD prescribe under Medicare Part D?
In 2024, Michael S. Oldenburg, MD had 274 Medicare Part D claims for 153 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Michael S. Oldenburg, MD's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.