Physician Profile
William A. Rollefson, MD
Unclaimed ProfileAbout Dr. Rollefson
William A. Rollefson, MD is a healthcare provider in Little Rock, AR specializing in cardiovascular disease. William trained at University of Arkansas College of Medicine, graduating in 1994. According to Medicare claims data, William cared for 2,562 Medicare patients across 2,777 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (501) 664-5860
- Email not available
Practice Locations
7 SHACKLEFORD WEST BLVD
Little Rock, AR 72211
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
2,777 services · 2,562 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
110 | More often than most peers in Cardiovascular Disease |
| Repair of mitral valve through the skin, initial prosthesis | Procedure | 33418 |
17 | As often as other peers in Cardiovascular Disease |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | Imaging | 78431 |
61 | As often as other peers in Cardiovascular Disease |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
40 | As often as other peers in Cardiovascular Disease |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
29 | As often as other peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
538 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
352 | More than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
283 | More than most peers in Cardiovascular Disease |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
104 | More than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
59 | More often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other cardiologists in Little Rock 4
Same specialty, same city.
Trained at University of Arkansas College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Arkansas College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in AR who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Rollefson?
Dr. Rollefson is a cardiologist in Little Rock, AR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
What is Dr. Rollefson's address?
Dr. Rollefson is listed at 7 Shackleford West Blvd, Little Rock, AR 72211. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Rollefson?
The number on file is (501) 664-5860. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Rollefson's NPI number?
Dr. Rollefson's National Provider Identifier is 1366436750. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Rollefson train?
Dr. Rollefson attended University of Arkansas College of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Rollefson been practicing?
Dr. Rollefson has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Rollefson perform?
According to Medicare billing data, Dr. Rollefson performs procedures including insertion of needle into vein for collection of blood sample and repair of mitral valve through the skin, initial prosthesis; reads or performs imaging such as nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan and ultrasonic guidance for blood vessel access; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Rollefson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rollefson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.