WILLIAM HENRY WISMER (DO) – Gastroenterology Physician, NPI 1346292406
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,187 GASTROENTEROLOGY in PA
Provider Addresses for WILLIAM HENRY WISMER (DO)
965 Shamrock Ln
Corry, PA 164079121
Phone: (814) 665-8288
Type: Location
2010 W 38TH ST UPPR LEVEL
ERIE, PA 165082004
Phone: (814) 866-3986
Fax: (814) 866-6837
Type: Location
LECOM Bayfront, 1, Lecom Place, Frontier, Erie, Erie County, Pennsylvania, 16505, United States
ERIE, PA 165052571
Phone:
Fax: (814) 868-2522
Type: Mailing
2010, West 38th Street, Erie Terrace, Erie, Erie County, Pennsylvania, 16508, United States
ERIE, PA 165082004
Phone: (814) 866-3986
Fax: (814) 866-6837
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 209 Open Payments records for all available years, with a total value of $4,263.
Total Amount is formed as General ($4,263) + Research ($0) + Ownership ($0) = $4,263.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($1,768).
Total Amount
$4,263
General + Research + Ownership
Payments
209
Total payment records
General Amount
$4,263
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,768 |
| Janssen Biotech, Inc. | $659 |
| Daiichi Sankyo Inc. | $423 |
| Takeda Pharmaceuticals U.S.A., Inc. | $216 |
| PFIZER INC. | $168 |
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: 2004-05-20
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20040520001127 | I | Gastroenterology | PA | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 94 | 94 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 74 | 61 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 64 | 62 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 45 | 35 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $0 |
Insurance plans in this area (ZIP 16407)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | PA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 23 | 23 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | PA | |
| Neurology, Physical Medicine And Rehabilitation | PA | |
| Orthopedic Surgery | PA | |
| U R O L O G Y | PA | |
| Family Practice | PA | |
| P O D I A T R Y | PA | |
| Internal Medicine | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| Sports Medicine | PA |
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