JOHN OZOLEK (MD) – Pediatric Pathology Physician, NPI 1639144256
Pediatric Pathology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
311 PATHOLOGY in IN
Provider Addresses for JOHN OZOLEK (MD)
550 University Blvd
Indianapolis, IN 462025149
Phone: (317) 948-6400
Type: Location
UPMC Children's Hospital of Pittsburgh, 4401, Penn Avenue, Bloomfield, Pittsburgh, Allegheny County, Pennsylvania, 15224, United States
PITTSBURGH, PA 152241334
Phone: (412) 692-5650
Type: Location
4401 PENN AVE
PITTSBURGH, PA 152241334
Phone: (412) 692-5650
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $765.
Total Amount is formed as General ($765) + Research ($0) + Ownership ($0) = $765.
Last reported payment date: 2024-04-09 • Largest payer in this snapshot: LEICA MICROSYSTEMS INC. ($765).
Total Amount
$765
General + Research + Ownership
Payments
3
Total payment records
General Amount
$765
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| LEICA MICROSYSTEMS INC. | $765 |
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: 2026-01-06
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 |
|---|---|---|---|---|
| I20181121001495 | I | Pathology | WV | TBD |
| I20260106001829 | 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 | 242 | 84 | $0 |
| 88331 | Pathology examination of specimen during surgery, first tissue block | 107 | 40 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 96 | 34 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 85 | 17 | $0 |
| 88332 | Pathology examination of specimen during surgery, each additional tissue block | 41 | 14 | $0 |
Insurance plans in this area (ZIP 46202)
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