NPPES file of Aug 9, 2026

Michael L. Wollenberg, M.D.

Critical Care Medicine (Anesthesiology) Physician · Portland, OR

Michael L. Wollenberg, M.D. is a critical care medicine (anesthesiology) physician with a practice address in Portland, Oregon, and NPI 1417193632, issued on Dec 17, 2008. Check the license (Oregon MD156369, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417193632
Name
Michael L. Wollenberg
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Anesthesiology) Physician 207LC0200X
License number
MD156369 OR
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-7641
Enumerated
Dec 17, 2008
Record last updated
Apr 25, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130524000620); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3181 SW Sam Jackson Park RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify Michael L. Wollenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD156369    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score94.3
  2. Costout of 100 · 30%46.2
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University Anesthesiology Associates LLCPortland, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Critical Care Medicine (Anesthesiology) Physician providers in Oregon

There are 11 critical care medicine (anesthesiology) physician records in Oregon.

All 11 in Oregon → Every provider in Portland →

Other critical care medicine (anesthesiology) physician records in Oregon

  1. Gregory Blair, M.D.Clackamas, OR1104269117
  2. Margaret Ellis, MDPortland, OR1235456617
  3. Mark Enker, MDBend, OR1477600260
  4. Seth Gunderson, D.O.Springfield, OR1538483292
  5. Marshall Lee, M.D.Portland, OR1750511275
  6. Ross Martini, M.D.Portland, OR1265721351
  7. Sarah Na, MDPortland, OR1073925426
  8. Gregory Pollard-Hermann, CRNAPortland, OR1932251048
  9. Katherine Rog, M.D.Portland, OR1447678842
  10. Kamila Vagnerova, M.D.Portland, OR1306881990

Common questions

What is Michael L. Wollenberg, M.D.'s NPI number?

Michael L. Wollenberg, M.D.'s National Provider Identifier (NPI) is 1417193632, issued on Dec 17, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael L. Wollenberg, M.D. located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-7641. Providers update this record themselves, so call before visiting.

How can I verify Michael L. Wollenberg, M.D.'s license?

NPPES lists Oregon license number MD156369, 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.

What is Michael L. Wollenberg, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 of 100, reported for the practice group. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.