MICHAEL SCOTT MARSHALL (MD, PHD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1356800338
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
799 PATHOLOGY in MA
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Provider Addresses for MICHAEL SCOTT MARSHALL (MD, PHD)
1133 S WABASH AVE APT 205
CHICAGO, IL 606052336
Phone: (314) 409-1180
Type: Mailing
1 NASHUA ST APT 3416
BOSTON, MA 021141644
Phone: (314) 409-1180
Type: Mailing
Massachusetts General Hospital, 55, Fruit Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States
BOSTON, MA 021142621
Phone: (314) 409-1180
Type: Location
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 $22.
Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.
Last reported payment date: 2024-06-04 • Largest payer in this snapshot: Inari Medical, Inc. ($22).
Total Amount
$22
General + Research + Ownership
Payments
1
Total payment records
General Amount
$22
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $22 |
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: 2023-11-07
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 |
|---|---|---|---|---|
| I20230321002014 | I | Pathology | MA | TBD |
| I20231107003175 | 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 |
|---|---|---|---|---|
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 20 | 11 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 12 | 11 | $0 |
Insurance plans in this area (ZIP 60605)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | NJ | |
| P A T H O L O G Y | NY | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | FL | |
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH |
Reviews
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