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Interventional Cardiology

William A. Rollefson, MD

Works at hospitals in Bryant, AR · Little Rock, AR · Conway, AR · Arkansas

Summary

William A. Rollefson, MD (Interventional Cardiology) is listed by Medicare at 5 hospitals in Bryant, AR, Little Rock, AR and Conway, AR. NPI 1366436750. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William A. Rollefson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Interventional CardiologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of Arkansas College Of MedicineMedical school
MaleGender (as listed)
Arkansas Heart Hospital LLCGroup practice (+1 more)

Quick answers

Which hospitals does William A. Rollefson work at?
Medicare's official clinician data lists William A. Rollefson at 5 hospitals: Arkansas Heart Hospital-Encore, Arkansas Heart Hospital, LLC, Baptist Health Medical Center-Little Rock, Conway Regional Medical Center, Inc and University of Arkansas Medical Sciences. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William A. Rollefson see patients?
Medicare's clinician data lists 5 practice locations, including Hot Springs, AR, Batesville, AR and Searcy, AR. Call before your visit to confirm the address.
What is William A. Rollefson's specialty?
Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
Does William A. Rollefson accept Medicare assignment?
Yes. Medicare's clinician data says William A. Rollefson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for William A. Rollefson?
(501) 664-5860, as listed in official Medicare / NPI Registry data.
What is William A. Rollefson's NPI number?
1366436750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William A. Rollefson works

Medicare's Facility Affiliation Data lists William A. Rollefson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William A. Rollefson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William A. Rollefson as a member of these groups (CMS data updated 2026-10-02).

  • Arkansas Heart Hospital LLC90 clinicians in the group
  • Arkansas Heart Hospital Rural Health Services, LLC54 clinicians in the group

Specialties

Find other Interventional Cardiology doctors in Arkansas →

Other interventional cardiologists in Hot Springs

Clinicians with the same Medicare primary specialty in Hot Springs, AR — not a recommendation.

All interventional cardiologists in Hot Springs →

Clinician information

CredentialMD
Medical schoolUniversity Of Arkansas College Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366436750
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians