Doctor profile · Federal record
Dr. Bartosz Grzywacz, M.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Hematology (Pathology) Physician · Madison, WI
- NPI 1386870251
- Accepts Medicare
- MIPS 78.9 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Uw Hospital and Clinics, 600 Highland Ave, H4/831
Madison, WI 537920001
(608) 263-0572
fax (608) 890-7127
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- April 28, 2014
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- Minnesota #107470
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386870251. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
686
Distinct HCPCS
10
Medicare allowed
$27,678
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 204 | 51 | $27 | |
88189 |
Flow cytometry technique for dna or cell analysis, 16 or more markers | 120 | 111 | $81 | |
88188 |
Flow cytometry technique for dna or cell analysis, 9 to 15 markers | 69 | 60 | $59 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 65 | 46 | $36 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 56 | 51 | $33 | |
85060 |
Blood smear interpretation by physician with written report | 46 | 43 | $23 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 43 | 40 | $12 | |
85097 |
Bone marrow, smear interpretation | 42 | 39 | $46 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 30 | 19 | $12 | |
88187 |
Flow cytometry technique for dna or cell analysis, 2 to 8 markers | 11 | 11 | $34 |
In context: peer comparison
Among 10 peers in Madison Anatomic Pathology & Clinical Pathology Physician, average services per provider: 146. This provider delivers 4.7× the peer median.Frequently asked questions
What is Dr. Bartosz Grzywacz's medical specialty?
Dr. Bartosz Grzywacz practices Anatomic Pathology & Clinical Pathology Physician in Madison, WI.
Where does Dr. Bartosz Grzywacz practice?
Dr. Bartosz Grzywacz practices at Uw Hospital and Clinics, Madison, WI 537920001. Office phone: 6082630572.
What is Dr. Bartosz Grzywacz's NPI?
Dr. Bartosz Grzywacz's National Provider Identifier (NPI) is 1386870251, issued by NPPES.
Does Dr. Bartosz Grzywacz accept Medicare assignment?
Yes. Dr. Bartosz Grzywacz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bartosz Grzywacz commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Flow cytometry technique for dna or cell analysis, 16 or more markers (HCPCS 88189); Flow cytometry technique for dna or cell analysis, 9 to 15 markers (HCPCS 88188). Source: CMS Medicare Physician & Other Practitioners file.