Doctor profile · Federal record
Dr. Joanna Wiszniewska, M.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Portland, OR
- NPI 1114276060
- Accepts Medicare
- MIPS 90.5 / 100 · 2023
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3181 Sw Sam Jackson Park RD # L103
Portland, OR 972393011
(503) 494-7703 - Mailing address
-
3181 Sw Sam Jackson Park Road L103
Portland, OR 97239
Credentials & registration
- NPI registered
- September 2012 — 14 yrs on file
- Profile last updated
- August 31, 2017
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- Oregon #MD184268
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114276060. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
879
Distinct HCPCS
10
Medicare allowed
$35,786
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 228 | 40 | $29 | |
G0452 |
Molecular pathology procedure; physician interpretation and report | 121 | 95 | $48 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 87 | 44 | $38 | |
88360 |
Microscopic genetic analysis of tumor, manual | 81 | 37 | $42 | |
88189 |
Flow cytometry technique for dna or cell analysis, 16 or more markers | 75 | 67 | $85 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 53 | 42 | $35 | |
88291 |
Interpretation and report of genetic testing | 46 | 42 | $34 | |
88365 |
Genetic sequencing localization, initial procedure | 42 | 30 | $44 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 40 | 37 | $13 | |
85097 |
Bone marrow, smear interpretation | 39 | 36 | $49 |
In context: peer comparison
Among 30 peers in Portland Anatomic Pathology & Clinical Pathology Physician, average services per provider: 95. This provider delivers 9.3× the peer median.Frequently asked questions
What is Dr. Joanna Wiszniewska's medical specialty?
Dr. Joanna Wiszniewska practices Anatomic Pathology & Clinical Pathology Physician in Portland, OR.
Where does Dr. Joanna Wiszniewska practice?
Dr. Joanna Wiszniewska practices at 3181 Sw Sam Jackson Park RD # L103, Portland, OR 972393011. Office phone: 5034947703.
What is Dr. Joanna Wiszniewska's NPI?
Dr. Joanna Wiszniewska's National Provider Identifier (NPI) is 1114276060, issued by NPPES.
Does Dr. Joanna Wiszniewska accept Medicare assignment?
Yes. Dr. Joanna Wiszniewska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Wiszniewska commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Molecular pathology procedure; physician interpretation and report (HCPCS G0452); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.