DR. OLIVER EZEKIEL AREGULLIN (MD) – Adult Congenital Heart Disease Physician, NPI 1275882599
Adult Congenital Heart Disease Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
2,256 PEDIATRIC MEDICINE in TX
Provider Addresses for DR. OLIVER EZEKIEL AREGULLIN (MD)
333 N SANTA ROSA STE 900
SAN ANTONIO, TX 782073108
Phone: (210) 704-8829
Fax: (000) 000-0002
Type: Location
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Phone: (616) 267-9150
Type: Location
333 N Santa Rosa Ste 900
San Antonio, TX 782073108
Phone: (210) 704-8829
Fax: (000) 000-0002
Type: Location
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
9835 N LAKE CREEK PKWY
AUSTIN, TX 787176210
Phone: (737) 229-3500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 47 Open Payments records for all available years, with a total value of $4,126.
Total Amount is formed as General ($4,126) + Research ($0) + Ownership ($0) = $4,126.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Medtronic, Inc. ($3,512).
Total Amount
$4,126
General + Research + Ownership
Payments
47
Total payment records
General Amount
$4,126
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $3,512 |
| Abbott Laboratories | $535 |
| CARDIVA MEDICAL, INC. | $37 |
| B. Braun Interventional Systems Inc. | $26 |
| Actelion Pharmaceuticals US, Inc. | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-02-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20240216000980 | I | Pediatric Medicine | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78207)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | TX | |
| Pediatric Medicine, Allergy/Immunology | TX | |
| Pediatric Medicine, Pulmonary Disease | TX | |
| Physician Assistant | TX | |
| Orthopedic Surgery | TX | |
| - | TX | |
| - | TX | |
| U R O L O G Y | AR | |
| Hematology/Oncology, Pediatric Medicine | TX | |
| - | TX |
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