MARK WARREN NELSON (D.O.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1346496163
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
750 PATHOLOGY in OH
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Provider Addresses for MARK WARREN NELSON (D.O.)
TriPoint Medical Center, 7590, Auburn Road, Lake County, Ohio, 44077, United States
CONCORD TWP, OH 440779176
Phone: (440) 354-4208
Fax: (440) 354-1151
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)
CMS reports 1 Open Payments records for all available years, with a total value of $122.
Total Amount is formed as General ($122) + Research ($0) + Ownership ($0) = $122.
Last reported payment date: 2024-06-21 • Largest payer in this snapshot: Galvanize Therapeutics, Inc ($122).
Total Amount
$122
General + Research + Ownership
Payments
1
Total payment records
General Amount
$122
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Galvanize Therapeutics, Inc | $122 |
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: 2024-07-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20110613000557 | I | Pathology | OH | TBD |
| I20200415001700 | I | Pathology | UT | TBD |
| I20240713000474 | I | Pathology | NV | 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 | 1,074 | 677 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 657 | 171 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 278 | 221 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 171 | 119 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 111 | 101 | $0 |
Insurance plans in this area (ZIP 44077)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | OH | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 105 | 91 |
| PATHOLOGY | OH | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 50 | 44 |
| PATHOLOGY | OH | 88342 | Tissue or cell analysis by immunologic technique | 75 | 74 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | ID | |
| P A T H O L O G Y | AZ | |
| P A T H O L O G Y | NY | |
| P A T H O L O G Y | AZ | |
| P A T H O L O G Y | UT | |
| P A T H O L O G Y | LA | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | AL |
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