JOANNA WISZNIEWSKA M.D.
NPI 1114276060
Pathology - Anatomic Pathology & Clinical Pathology in Portland, OR
About Joanna Wiszniewska M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA WISZNIEWSKA M.D. (NPI 1114276060) is an individual anatomic pathology & clinical pathology provider in Portland, Oregon, licensed in Oregon (MD184268) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joanna Wiszniewska M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Joanna Wiszniewska reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORSalem Hospital
Acute Care Hospitals · Salem, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joanna Wiszniewska's NPI number?
The NPI number for Joanna Wiszniewska is 1114276060. It was assigned to this individual provider in the NPPES registry on September 6, 2012.
Where is Joanna Wiszniewska located?
Joanna Wiszniewska practices at 3181 SW Sam Jackson Park Rd # L103, Portland, OR 97239. The listed phone number is (503) 494-7703.
What is Joanna Wiszniewska's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Joanna Wiszniewska enrolled in Medicare?
Yes. Joanna Wiszniewska is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Joanna Wiszniewska's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Wiszniewska reassigns Medicare benefits to University Professional Services (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joanna Wiszniewska's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joanna Wiszniewska affiliated with any hospitals?
According to CMS data, Joanna Wiszniewska is affiliated with Ohsu Hospital And Clinics and Salem Hospital.
When was this NPI record last updated?
The NPPES record for Joanna Wiszniewska was last updated on August 31, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Joanna Wiszniewska, M.D. · NPI 1114276060
Anatomic Pathology & Clinical Pathology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since September 6, 2012.
## Identity
- **NPI:** 1114276060 (Entity type: Individual)
- **Enumerated:** September 6, 2012
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** MD184268 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD # L103, Portland, OR 97239-3011
- **Phone:** (503) 494-7703
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Professional Services (NPI 1376709535, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** August 31, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1114276060) · Data from the CMS NPPES public registry.