Chockalingam Arun Narayanan, M.D.
NPI 1508276296ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Galveston, TX
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) with Utmb Faculty Group Practice, practicing in Galveston, Texas. Their prescriptions cost Medicare Part D more than their services did: $424,433 for 1,328 claims, against $135,847 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $8,769 in all, mostly speaking and faculty fees. Lists Chi St Luke's Health Brazosport and 1 other hospital as hospital affiliations.
Overview
| NPI | 1508276296 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 2, 2014 |
| Last updated in NPPES | Aug 5, 2026 |
| Certified by provider | Aug 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 49218 | TX |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | 47721 | TX |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | 48808 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 513 |
|---|---|
| Services billed | 1,661 across 59 procedure codes |
| Paid by Medicare | $135,847 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,328 · 2,602 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $424,433 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
Medical group
- Utmb Faculty Group PracticeGalveston, TX · 1,101 clinicians
Hospital affiliations
- Chi St Luke's Health BrazosportLake Jackson, TX
- University of Texas Medical Branch GalvestonGalveston, TX
Industry payments (Open Payments)
- 2025$8,769 · 50 payments from 2 companies
- 2024$7,818 · 102 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $8,702 | 48 |
| Biosense Webster, Inc. | $66.42 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,800 · 9 payments
- Food and Beverage$968.73 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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