Joanna Wiszniewska, M.D.
Anatomic Pathology & Clinical Pathology Physician · Portland, OR
Joanna Wiszniewska, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Portland, Oregon, and NPI 1114276060, issued on Sep 6, 2012. Check the license (Oregon MD184268, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joanna Wiszniewska
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- MD184268 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD # L103, Portland, OR 97239
- Phone
- (503) 494-7703
- Enumerated
- Sep 6, 2012
- Record last updated
- Aug 31, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170831002962); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 195 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD # L103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sophie MeansGenetic Counselor (M.S.)1730755703
- Puneet Rai, MS, CGCGenetic Counselor (M.S.)1326522715
- Laura Voss, MS, LCGCGenetic Counselor (M.S.)1366169484
Verify Joanna Wiszniewska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD184268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.8 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).
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Wiszniewska among 195 anatomic pathology & clinical pathology physician records in Oregon
Joanna Wiszniewska, M.D. is one of 195 anatomic pathology & clinical pathology physician records with a practice address in Oregon. 56% 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 76% of them.
- NPI issued2012 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2001 · median 2006 among the 102 with a school on file
- Record last updated2017 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Oregon
There are 195 anatomic pathology & clinical pathology physician records in Oregon.
All 195 in Oregon → Every provider in Portland → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Rita Braziel, MDPortland, OR 972391265447759
- Patricia Fenderson, M.D.Portland, OR 972391093712424
- Ken Gatter, MDPortland, OR 972391649286246
- Eric Goranson, M.D.Portland, OR 972391477754760
- Maylee Hsu, MDPortland, OR 972391467588111
- James Maclowry, MDPortland, OR 972391740295245
- Rosemary Makar, MBBCHPortland, OR 972391164518981
- Craig Midgen, M.D.Portland, OR 972391235350653
Common questions
What is Joanna Wiszniewska, M.D.'s NPI number?
Joanna Wiszniewska, M.D.'s National Provider Identifier (NPI) is 1114276060, issued on Sep 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Wiszniewska, M.D. located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD # L103, Portland, OR, 97239. Phone: (503) 494-7703. Providers update this record themselves, so call before visiting.
How can I verify Joanna Wiszniewska, M.D.'s license?
NPPES lists Oregon license number MD184268, 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 Joanna Wiszniewska, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.8 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.