DR. LEO ANTHONY NIEMEIER (MD) – Anatomic Pathology Physician, NPI 1033328919
Anatomic Pathology Physician
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Profile Insights
NPPES metrics only — not quality of care.
749 PATHOLOGY in OH
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Provider Addresses for DR. LEO ANTHONY NIEMEIER (MD)
PO BOX 20452
CORPATH CRED
COLUMBUS, OH 432200452
Phone: (614) 257-9010
Fax: (614) 442-2410
Type: Mailing
Riverside Methodist Hospital, 3535, Olentangy River Road, Olentangy West, Columbus, Sharon, Franklin, Ohio, 43214, United States
RMH PATHOLOGY DEPT - CORPATH
COLUMBUS, OH 432143908
Phone: (614) 566-4945
Fax: (614) 263-1056
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $5,134.
Total Amount is formed as General ($5,134) + Research ($0) + Ownership ($0) = $5,134.
Last reported payment date: 2024-04-12 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($2,550).
Total Amount
$5,134
General + Research + Ownership
Payments
8
Total payment records
General Amount
$5,134
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $2,550 |
| Agios Pharmaceuticals, Inc. | $2,125 |
| Astellas Pharma US Inc | $442 |
| Roche Diagnostics Corporation | $17 |
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: 2022-05-09
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 |
|---|---|---|---|---|
| I20100707000436 | I | Pathology | OH | TBD |
| I20220509001532 | 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 | 1,166 | 622 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 292 | 73 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 160 | 85 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 157 | 114 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 86 | 26 | $0 |
Insurance plans in this area (ZIP 43220)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | OH | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 26 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| - | KY | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH |
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