BARTOSZ J GRZYWACZ (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1386870251
Anatomic Pathology & Clinical Pathology Physician
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Doctor Profile
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NPPES metrics only — not quality of care.
354 PATHOLOGY in WI
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Provider Addresses for BARTOSZ J GRZYWACZ (M.D.)
Lasting Skin Solutions, 2981, Yarmouth Greenway Drive, Highlands of Seminole, Fitchburg, Dane County, Wisconsin, 53711, United States
600 HIGHLAND AVE, H4/831
MADISON, WI 537920001
Phone:
Fax: (608) 890-7127
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-07-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20140521001554 | I | Pathology | MN | TBD |
| I20240710001134 | I | Pathology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 204 | 51 | $0 |
| 88189 | Flow cytometry technique for dna or cell analysis, 16 or more markers | 120 | 111 | $0 |
| 88188 | Flow cytometry technique for dna or cell analysis, 9 to 15 markers | 69 | 60 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 65 | 46 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 56 | 51 | $0 |
Insurance plans in this area (ZIP 53792)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Emergency Medicine | NC |
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