William J. Kaiser, MD
NPI 1003883612ActiveIndividual· Surgery, Vascular Surgery· Pensacola, FL
Surgery, Vascular Surgery (MD) in Pensacola, Florida, trained at New York Medical College (class of 1987). 434 Medicare patients in 2024, $95,478 paid; nearly all of their 127 Part D prescriptions were generic (90%). Penumbra, Inc. was the largest of 13 companies reporting payments in 2025, $2,948 in all, mostly food and beverage.
Overview
| NPI | 1003883612 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | May 13, 2021 |
| Certified by provider | May 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | ME146721 | FL |
| Surgery, Vascular Surgery | 2086S0129X | 034166 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Vascular Surgery (FL); Practitioner - General Surgery (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 434 |
|---|---|
| Services billed | 1,676 across 90 procedure codes |
| Paid by Medicare | $95,478 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 146 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $4,594 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | General Surgery |
| Secondary specialties | Vascular Surgery |
Medical group
- Tift Regional Health System IncTifton, GA · 296 clinicians
Hospital affiliations
- Southwell Medical, A Campus of TrmcAdel, GA
- Tift Regional Medical CenterTifton, GA
Industry payments (Open Payments)
- 2025$2,948 · 47 payments from 13 companies
- 2024$502.54 · 19 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $2,381 | 17 |
| Shockwave Medical, Inc | $199.00 | 13 |
| Stryker Corporation | $114.91 | 4 |
| Vertex Pharmaceuticals Incorporated | $56.24 | 3 |
| Medtronic, Inc. | $37.81 | 2 |
What the 2025 payments were for
- Food and Beverage$1,615 · 45 payments
- Travel and Lodging$1,333 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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