Dr. Joanna Wiszniewska, MD
- Medicare services, 2024
- 1,171
- Medicare patients, 2024
- 184
- MIPS score, 2024
- 99
- Hospital affiliations
- 3
- Industry payments
- $52
- Practice address
- 3181 SW Sam Jackson Park Road, Portland, OR 97239
- Practice phone
- Call (503) 494-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wiszniewska's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Joanna Wiszniewska is a pathologist in Portland, Oregon
Dr. Wiszniewska practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.
Dr. Wiszniewska's NPI, 1114276060, was assigned on September 6, 2012. Dr. Wiszniewska holds Oregon license MD184268.
- NPI
- 1114276060NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880967546
- NPI enumeration date
- September 6, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 494-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanna Wiszniewska practices at OHSU Hospital in Portland, Oregon
Dr. Wiszniewska's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.
- OHSU Hospital3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000
Source: Dmand AI Affiliation Data
Dr. Joanna Wiszniewska is affiliated with 4 sites of care and 1 medical group
Dr. Wiszniewska's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dr. Wiszniewska is also affiliated with Salem Hospital. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Wiszniewska to 1 more hospital and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joanna Wiszniewska's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wiszniewska practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OHSU Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joanna Wiszniewska is one of 153 pathologists in Oregon
Anatomic pathology and clinical pathology is Dr. Wiszniewska's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Wiszniewska is licensed in Oregon.
Specialties and state licenses
- Anatomic pathology and clinical pathology, OregonPrimary
Pathologists near Dr. Wiszniewska
Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Joanna Wiszniewska billed Medicare for 1,171 services in 2024
CMS data shows 1,171 Medicare services from Dr. Wiszniewska across 13 procedure codes in 2024, for 184 Medicare patients. Medicare paid $37,091 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wiszniewska's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 7582024: 1,06741%
- Other services
- 2023: 1212024: 10414%
Dr. Wiszniewska compared with the Oregon median for pathologists, 2024
- Dr. Wiszniewska
- Oregon median
- Medicare services
- 1,171vs 1,169Close to median
- Medicare patients
- 184vs 28034% below
Medians across 162 pathologists in Oregon with Dmand AI profiles that report each measure.
Dr. Wiszniewska's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joanna Wiszniewska treated 184 Medicare patients in 2024, average age 71
CMS counts 184 Medicare patients who saw Dr. Wiszniewska in 2024. The largest group is 65 to 74, with 96 patients. 68% of them have high blood pressure, and 63% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Wiszniewska's median patient age at 63, with 47% women.
Dr. Wiszniewska's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wiszniewska's Medicare patients by sex, 2024
- Women7541%
- Men10959%
Chronic conditions among Dr. Wiszniewska's Medicare patients, 2024
- High blood pressure68%
- High cholesterol63%
- Arthritis40%
- Anxiety29%
- Mood disorders26%
- Ischemic heart disease25%
- Atrial fibrillation24%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wiszniewska's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joanna Wiszniewska scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Wiszniewska for performance year 2024, reported through an alternative payment model (APM). Dr. Wiszniewska accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Wiszniewska's MIPS scores, performance year 2024
- 99of 100Final score
- 84.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Joanna Wiszniewska received $52 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Wiszniewska from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $40.
General payments to Dr. Wiszniewska by program year, 2016 to 2017
Companies that paid Dr. Wiszniewska the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joanna Wiszniewska's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Joanna Wiszniewska
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joanna Wiszniewska's NPI number?
Dr. Joanna Wiszniewska's NPI number is 1114276060. It was assigned on September 6, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanna Wiszniewska?
Dr. Joanna Wiszniewska is a pathologist in Portland, Oregon. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Joanna Wiszniewska practice?
Dr. Wiszniewska practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Wiszniewska's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Dr. Wiszniewska to 1 hospital and 1 clinical lab.
What is Dr. Joanna Wiszniewska's office phone number?
The practice phone on file for Dr. Wiszniewska is (503) 494-9000.
What is Dr. Joanna Wiszniewska's medical license number?
Dr. Wiszniewska holds Oregon license MD184268.
Which hospitals is Dr. Joanna Wiszniewska affiliated with?
Dr. Wiszniewska practices at OHSU Hospital in Portland, Oregon. Dr. Wiszniewska is also affiliated with Salem Hospital. Dmand AI links Dr. Wiszniewska to 1 more hospital.
What medical group is Dr. Joanna Wiszniewska part of?
Dr. Wiszniewska is linked to Oregon Health & Science University (OHSU).
Does Dr. Joanna Wiszniewska accept Medicare?
Yes. CMS data shows Dr. Wiszniewska billed Medicare for 1,171 services in 2024, and Dr. Wiszniewska accepts Medicare assignment.
What is Dr. Joanna Wiszniewska's MIPS score?
Dr. Wiszniewska's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Joanna Wiszniewska see?
CMS counts 184 Medicare patients who saw Dr. Wiszniewska in 2024, with an average age of 71.
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What services does Dr. Joanna Wiszniewska bill to Medicare?
In 2024, Dr. Wiszniewska's most billed Medicare services were lab and pathology test (88341), lab and pathology test (88305) and medicare service (G0452).
Has Dr. Joanna Wiszniewska received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Wiszniewska from 2 companies from 2016 to 2017. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Joanna Wiszniewska been practicing?
Dr. Wiszniewska graduated from medical school in 2001, 25 years ago.
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