Justin Arunthamakun, M.D
NPI 1679936074ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· McKinney, TX
Internal Medicine, Clinical Cardiac Electrophysiology (M.D) in McKinney, Texas, trained at University of Tennessee, Hsc, College of Medicine (class of 2016). Mostly services rather than prescriptions: Medicare paid $22,722 for 71 patients in 2024, with only 18 Part D claims. Medtronic, Inc. was the largest of 8 companies reporting payments in 2025, $5,690 in all, mostly travel and lodging.
Overview
| NPI | 1679936074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2016 |
| Last updated in NPPES | Sep 8, 2025 |
| Certified by provider | Sep 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | R4809 | TX |
| Internal Medicine | 207R00000X | BP10056212 | TX |
| Internal Medicine | 207R00000X | 01087599A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 71 |
|---|---|
| Services billed | 196 across 39 procedure codes |
| Paid by Medicare | $22,722 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 35 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $1,752 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Cardiac Electrophysiology |
| Telehealth | Offers telehealth |
Medical group
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$5,690 · 71 payments from 8 companies
- 2024$10,134 · 90 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $3,923 | 40 |
| Abbott Laboratories | $1,099 | 11 |
| Impulse Dynamics (USA) Inc. | $193.17 | 2 |
| Novartis Pharmaceuticals Corporation | $161.16 | 9 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $132.61 | 3 |
What the 2025 payments were for
- Travel and Lodging$3,165 · 18 payments
- Food and Beverage$2,526 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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