William Henry Parker Vi, MD
NPI 1558921189ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Iowa City, IA
Internal Medicine, Clinical Cardiac Electrophysiology (MD) in Iowa City, Iowa, licensed in OH and IA, with an NPI issued in June 2019. Part D covered 59 prescriptions written in 2024, 78% of them generic. Biosense Webster, Inc. was the largest of 3 companies reporting payments in 2025, $233.80 in all, mostly food and beverage.
Overview
| NPI | 1558921189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 17, 2019 |
| Last updated in NPPES | May 29, 2025 |
| Certified by provider | May 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 35.153818 | OH |
| Internal Medicine | 207R00000X | 57.248517 | OH |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | R-12596 | IA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD-51967 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 152 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $18,737 |
| Generic share | 78% of claims |
Industry payments (Open Payments)
- 2025$233.80 · 4 payments from 3 companies
- 2024$411.07 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $183.86 | 2 |
| Boston Scientific Corporation | $30.06 | 1 |
| Cardiva Medical, Inc. | $19.88 | 1 |
What the 2025 payments were for
- Food and Beverage$233.80 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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