DR. MARZENA WIACEK MULLER (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1518167410
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
311 PATHOLOGY in IN
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Provider Addresses for DR. MARZENA WIACEK MULLER (M.D.)
Parkview Plaza Drive, Fort Wayne, Allen County, Indiana, 46845, United States
FORT WAYNE, IN 468451701
Phone: (260) 424-2195
Fax: (260) 266-1679
Type: Location
5700, Southwyck Boulevard, Southwyck, Toledo, Lucas County, Ohio, 43614, United States
TOLEDO, OH 436141509
Phone: (800) 288-8325
Fax: (419) 866-5453
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $39.
Total Amount is formed as General ($39) + Research ($0) + Ownership ($0) = $39.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Tempus AI, Inc ($39).
Total Amount
$39
General + Research + Ownership
Payments
2
Total payment records
General Amount
$39
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Tempus AI, Inc | $39 |
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: 2011-07-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20110720000155 | I | Pathology | IN | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 1,309 | 699 | $0 |
| 84165 | Protein measurement, serum | 597 | 454 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 539 | 127 | $0 |
| 86334 | Immunologic analysis technique on serum (immunofixation) | 306 | 238 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 193 | 160 | $0 |
Insurance plans in this area (ZIP 46845)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | FL | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | TX | |
| - | IN | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | MI | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | IN |
Reviews
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