DR. WILLIAM R PORTER (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1336382720
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
766 PATHOLOGY in IL
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Provider Addresses for DR. WILLIAM R PORTER (M.D.)
Northwest Community Hospital, 800, West Central Road, Arlington Heights, Wheeling Township, Cook County, Illinois, 60005, United States
DEPARTMENT OF PATHOLOGY
ARLINGTON HEIGHTS, IL 600052349
Phone: (847) 618-6150
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 3 Open Payments records for all available years, with a total value of $56.
Total Amount is formed as General ($56) + Research ($0) + Ownership ($0) = $56.
Last reported payment date: 2024-04-19 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($56).
Total Amount
$56
General + Research + Ownership
Payments
3
Total payment records
General Amount
$56
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $56 |
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: 2014-08-05
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 |
|---|---|---|---|---|
| I20140805002369 | I | Pathology | IL | 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 | 2,565 | 1,090 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 448 | 123 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 280 | 253 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 219 | 195 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 211 | 186 | $0 |
Insurance plans in this area (ZIP 60005)
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Provider's Procedures
Group practice members
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| - | IL | |
| P A T H O L O G Y | IL | |
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