WILLIAM G III STAHL (M.D.) – Gastroenterology Physician, NPI 1265484760
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
648 GASTROENTEROLOGY in MI
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Provider Addresses for WILLIAM G III STAHL (M.D.)
Eye Associates of Marquette, 1414, West Fair Avenue, Marquette, Marquette County, Michigan, 49855, United States
SUITE 247
MARQUETTE, MI 498552675
Phone: (906) 225-3880
Fax: (906) 225-4523
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 4 Open Payments records for all available years, with a total value of $71.
Total Amount is formed as General ($71) + Research ($0) + Ownership ($0) = $71.
Last reported payment date: 2023-12-06 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($44).
Total Amount
$71
General + Research + Ownership
Payments
4
Total payment records
General Amount
$71
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $44 |
| ABBVIE INC. | $27 |
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: 2004-03-18
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 |
|---|---|---|---|---|
| I20040318000069 | I | Gastroenterology | MI | 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 |
|---|---|---|---|---|
| G0500 | Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 202 | 201 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 93 | 93 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 73 | 73 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 26 | 26 | $0 |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | 17 | 17 | $0 |
Insurance plans in this area (ZIP 49855)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MI | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 42 | 42 |
| GASTROENTEROLOGY | MI | 45378 | Diagnostic examination of large bowel using an endoscope | 42 | 42 |
| GASTROENTEROLOGY | MI | 45385 | Removal of polyps or growths of large bowel using an endoscope | 160 | 153 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MI |
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