Oliver Ezekiel Aregullin, MD
Interventional Cardiology Physician · Austin, TX
Oliver Ezekiel Aregullin, MD is an interventional cardiology physician with a practice address in Austin, Texas, and NPI 1275882599, issued on Aug 31, 2012. Check the license (Texas U8939, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Oliver Ezekiel Aregullin
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- U8939 TX
110254 FL
4301112330 MI
Self-reported in NPPES; status is on the state search - Practice location
- 9835 N Lake Creek Pkwy, Austin, TX 78717
- Phone
- (737) 229-3500
- Enumerated
- Aug 31, 2012
- Record last updated
- Dec 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20240216000980); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 9835 N Lake Creek Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi AbrahamEmergency Medicine Physician1548551864
- Mohammed Farhan Ali, MDPediatric Nephrology Physician1548504541
- Aubrey Baker, PT, DPT, PCSPediatric Physical Therapist1326829748
- Allison Bautista, PNPPediatric Nurse Practitioner1134638232
- Sarah Bernstein, M.D.Neonatal-Perinatal Medicine Physician1568858785
- Julia BraticPediatrics Physician1164059812
Verify Oliver Ezekiel Aregullin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U8939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
19 Medicare Part D claims, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,025.89
22 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Texas Childrens Physician GroupAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Interventional Cardiology Physician providers in Texas
There are 724 interventional cardiology physician records in Texas.
Other interventional cardiology physician records in Texas
- Aamer Abbas, MDEl Paso, TX1508975772
- Danish Abbasi, MDPearland, TX1629466610
- John Naeim Nakhla Abdelmalek, MDLubbock, TX1437719127
- Ramy AbdelmaseihGalveston, TX1922569466
- Yasir Abdul Ghaffar, M.D.San Antonio, TX1053674408
- Arif Abdullah, M.D.Conroe, TX1801803069
- Ghassan Abusaid, M.D.San Antonio, TX1487858072
- Ashraf Abusara, MDVictoria, TX1265745715
- John Adan, MDEl Paso, TX1295709665
- Tayo Addo, MDDallas, TX1457328403
Common questions
What is Oliver Ezekiel Aregullin, MD's NPI number?
Oliver Ezekiel Aregullin, MD's National Provider Identifier (NPI) is 1275882599, issued on Aug 31, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Oliver Ezekiel Aregullin, MD located?
The NPPES record lists a practice address at 9835 N Lake Creek Pkwy, Austin, TX, 78717. Phone: (737) 229-3500. Providers update this record themselves, so call before visiting.
How can I verify Oliver Ezekiel Aregullin, MD's license?
NPPES lists Texas license number U8939, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oliver Ezekiel Aregullin, MD prescribe under Medicare Part D?
In 2024, Oliver Ezekiel Aregullin, MD had 19 Medicare Part D claims; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Oliver Ezekiel Aregullin, MD's MIPS final score?
The 2023 MIPS final score is 86.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.