Dr. William A. Rollefson, MD
- Medicare services, 2024
- 2,942
- Medicare patients, 2024
- 1,159
- Part D claims, 2024
- 7,117
- Publications
- 8
- MIPS score, 2024
- 75
- Practice address
- 1701 S Shackleford Road, Little Rock, AR 72211
- Practice phone
- Call (501) 219-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rollefson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William A. Rollefson is a cardiologist in Little Rock, Arkansas
Dr. Rollefson practices at Arkansas Heart Hospital in Little Rock, Arkansas, part of Arkansas Heart Hospital.
Dr. Rollefson's NPI, 1366436750, was assigned on August 31, 2005. Dr. Rollefson graduated from University of Arkansas College of Medicine in 1994. Dr. Rollefson holds Arkansas license C8143.
- NPI
- 1366436750NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800790502
- NPI enumeration date
- August 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 219-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William A. Rollefson practices at Arkansas Heart Hospital in Little Rock, Arkansas
Dr. Rollefson's primary practice is Arkansas Heart Hospital, at 1701 S Shackleford Road, Little Rock, AR 72211 in Pulaski County. The practice phone is (501) 219-7000.
- Arkansas Heart Hospital1701 S Shackleford Road, Little Rock, AR 72211 · Pulaski CountyPhone(501) 219-7000
Source: Dmand AI Affiliation Data
Dr. William A. Rollefson is affiliated with 7 sites of care and 3 medical groups
Dr. Rollefson's primary practice is Arkansas Heart Hospital in Little Rock, Arkansas, part of Arkansas Heart Hospital. Dr. Rollefson is also affiliated with Baptist Health Medical Center-Little Rock. The medical group on file is Arkansas Heart Hospital Clinic (Little Rock Clinic). Dmand AI also links Dr. Rollefson to 3 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William A. Rollefson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rollefson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arkansas Heart Hospital | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Arkansas Heart Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William A. Rollefson is one of 126 cardiologists in Arkansas
Cardiovascular disease is Dr. Rollefson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Rollefson is licensed in Arkansas.
Specialties and state licenses
- Cardiovascular disease, ArkansasPrimary
Cardiologists near Dr. Rollefson
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William A. Rollefson billed Medicare for 2,942 services in 2024
CMS data shows 2,942 Medicare services from Dr. Rollefson across 33 procedure codes in 2024, for 1,159 Medicare patients. Medicare paid $183,125 for them.
Dr. Rollefson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,0482024: 1,60747%
- Office and hospital visits
- 2023: 1,4162024: 82342%
- Lab and pathology
- 2023: 4292024: 21350%
- Surgery
- 2023: 2692024: 15742%
- Imaging
- 2023: 3622024: 14261%
Where Dr. Rollefson's Medicare services took place, 2024
- In an office80827%
- In a facility2,13473%
Dr. Rollefson compared with the Arkansas median for cardiologists, 2024
- Dr. Rollefson
- Arkansas median
- Medicare services
- 2,942vs 3,1828% below
- Medicare patients
- 1,159vs 1,201Close to median
- Part D claims
- 6,812vs 3,98071% above
Medians across 128 cardiologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Rollefson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Rollefson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rollefson and other cardiologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William A. Rollefson treated 1,159 Medicare patients in 2024, average age 76
CMS counts 1,159 Medicare patients who saw Dr. Rollefson in 2024. The largest group is 75 to 84, with 501 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rollefson's median patient age at 76, with 48% women.
Dr. Rollefson's Medicare patients by age, 2024
Dr. Rollefson's Medicare patients by sex, 2024
- Women53746%
- Men62254%
Chronic conditions among Dr. Rollefson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease66%
- Arthritis50%
- Diabetes35%
- Atrial fibrillation29%
- Chronic kidney disease27%
- Heart failure22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rollefson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William A. Rollefson wrote 7,117 Medicare Part D claims in 2024
In 2024, Dr. Rollefson wrote 7,117 Medicare Part D claims for 906 patients. 92% of them were for generic drugs. CMS names the drug for 6,812 of them, across 59 drugs with 11 or more claims each, at $537,519 in total drug cost. In 2023, CMS named 6,566 claims across 63 drugs.
Dr. Rollefson's Part D claims by kind of drug, 2024
- Generic6,537 claims92%
- Brand-name580 claims8%
Dr. Rollefson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,5662024: 6,8124%
Drugs named by CMS: 59 in 2024, 63 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William A. Rollefson scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Rollefson for performance year 2024, reported as part of a group. Dr. Rollefson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 42 procedures of coronary angioplasty and stenting by Dr. Rollefson, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Rollefson ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 78th percentile42 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William A. Rollefson has 8 publications on record
Dmand AI links 8 papers to Dr. Rollefson, published from 2013 to 2024. 2018 was the busiest year, with 2. The most frequent topics are Radial Artery, Femoral Artery and Heart Failure. Dr. Rollefson has published most often in Cardiovasc Revasc Med. Dr. Rollefson's most frequent co-authors are David M. Mego, MD, Konstantinos Marmagkiolis, MD and Ian M. Cawich, MD.
Dr. Rollefson's papers by year, 2013 to 2024
Topics Dr. Rollefson writes about most
- Radial Artery
- Femoral Artery
- Heart Failure
- Heparin
- Percutaneous Coronary Intervention
- Peripheral Arterial Disease
Dr. Rollefson's most frequent co-authors
- David M. Mego, MD4 shared papers
- Konstantinos Marmagkiolis, MD3 shared papers
- Ian M. Cawich, MD2 shared papers
Recent publications by Dr. Rollefson
JACC Cardiovasc Interv
Cardiovasc Revasc Med
Cardiovasc Revasc Med
See who Dr. Rollefson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rollefson works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William A. Rollefson received $194,055 in industry payments from 2016 to 2025
CMS Open Payments shows 370 general payments to Dr. Rollefson from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 88% of the total. Terumo Medical Corporation paid the most, $90,662.
General payments to Dr. Rollefson by program year, 2016 to 2025
General payments to Dr. Rollefson by kind, 2016 to 2025
- Consulting fees$170,06388%
- Food and beverage$14,6378%
- Travel and lodging$6,0733%
- Speaker and faculty fees$3,0002%
- Device or supply loans$2820%
Companies that paid Dr. Rollefson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William A. Rollefson graduated from University of Arkansas College of Medicine
Dr. Rollefson graduated from University of Arkansas College of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William A. Rollefson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William A. Rollefson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William A. Rollefson's NPI number?
Dr. William A. Rollefson's NPI number is 1366436750. It was assigned on August 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William A. Rollefson?
Dr. William A. Rollefson is a cardiologist in Little Rock, Arkansas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. William A. Rollefson practice?
Dr. Rollefson practices at 1701 S Shackleford Road, Little Rock, AR 72211. Dr. Rollefson's primary practice is Arkansas Heart Hospital in Little Rock, Arkansas, part of Arkansas Heart Hospital. Dmand AI also links Dr. Rollefson to 3 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. William A. Rollefson's office phone number?
The practice phone on file for Dr. Rollefson is (501) 219-7000.
What is Dr. William A. Rollefson's medical license number?
Dr. Rollefson holds Arkansas license C8143.
Which hospitals is Dr. William A. Rollefson affiliated with?
Dr. Rollefson practices at Arkansas Heart Hospital in Little Rock, Arkansas. Dr. Rollefson is also affiliated with Baptist Health Medical Center-Little Rock. Dmand AI links Dr. Rollefson to 3 more hospitals.
What medical group is Dr. William A. Rollefson part of?
Dr. Rollefson is linked to Arkansas Heart Hospital Clinic (Little Rock Clinic). Dmand AI links Dr. Rollefson to 2 more medical groups.
Does Dr. William A. Rollefson accept Medicare?
Yes. CMS data shows Dr. Rollefson billed Medicare for 2,942 services in 2024, and Dr. Rollefson accepts Medicare assignment.
What is Dr. William A. Rollefson's MIPS score?
Dr. Rollefson's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. William A. Rollefson see?
CMS counts 1,159 Medicare patients who saw Dr. Rollefson in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. William A. Rollefson bill to Medicare?
In 2024, Dr. Rollefson's most billed Medicare services were heart test or procedure (93306), heart test or procedure (93010) and office visit, established patient (99214).
Where did Dr. William A. Rollefson go to medical school?
Dr. Rollefson graduated from University of Arkansas College of Medicine in 1994.
What drugs does Dr. William A. Rollefson prescribe most?
In 2024 Medicare Part D data, Dr. Rollefson's most prescribed drugs by claims were Metoprolol Succinate, Clopidogrel and Atorvastatin Calcium.
Has Dr. William A. Rollefson received payments from drug or device companies?
CMS Open Payments shows $194,055 in general payments to Dr. Rollefson from 25 companies from 2016 to 2025. The largest total came from Terumo Medical Corporation.
How long has Dr. William A. Rollefson been practicing?
Dr. Rollefson graduated from medical school in 1994, 32 years ago.
Does Dr. William A. Rollefson do research?
Dmand AI links 8 publications to Dr. Rollefson, published from 2013 to 2024.
Who does Dr. William A. Rollefson publish with?
Dr. Rollefson's most frequent co-authors are David M. Mego, MD (4 shared papers), Konstantinos Marmagkiolis, MD (3 shared papers) and Ian M. Cawich, MD (2 shared papers).
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