William A. Rollefson, MD
NPI 1366436750ActiveIndividual· Internal Medicine, Cardiovascular Disease· Little Rock, AR
Internal Medicine, Cardiovascular Disease (MD) in Little Rock, Arkansas, trained at University of Arkansas College of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $573,905 for 7,117 claims, against $212,333 paid for services in 2024. Endologix LLC was the largest of 7 companies reporting payments in 2025, $1,672 in all, mostly food and beverage.
Overview
| NPI | 1366436750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Mar 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | C8143 | AR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,159 |
|---|---|
| Services billed | 3,240 across 91 procedure codes |
| Paid by Medicare | $212,333 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,117 · 14,468 30-day fills |
|---|---|
| Patients | 906 |
| Total drug cost | $573,905 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Arkansas Heart Hospital LLCLittle Rock, AR · 90 clinicians
- Arkansas Heart Hospital Rural Health Services, LLCLittle Rock, AR · 54 clinicians
Hospital affiliations
- Arkansas Heart Hospital, LLCLittle Rock, AR
- Arkansas Heart Hospital-EncoreBryant, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Conway Regional Medical Center, IncConway, AR
- University of Arkansas Medical SciencesLittle Rock, AR
Industry payments (Open Payments)
- 2025$1,672 · 33 payments from 7 companies
- 2024$5,274 · 30 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $600.00 | 1 |
| Abbott Laboratories | $512.09 | 17 |
| Shockwave Medical, Inc | $337.77 | 3 |
| Pfizer Inc. | $101.04 | 6 |
| Boston Scientific Corporation | $66.02 | 3 |
What the 2025 payments were for
- Food and Beverage$1,072 · 32 payments
- Consulting Fee$600.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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