Gregory Garo Bashian, M.D.
NPI 1487854311ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Nashville, TN
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Nashville, Tennessee, trained at Johns Hopkins University School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $785,506 for 1,715 claims, against $351,075 paid for services in 2024. Abbott Laboratories was the largest of 11 companies reporting payments in 2025, $8,230 in all, mostly consulting fees.
Overview
| NPI | 1487854311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2007 |
| Last updated in NPPES | Jul 11, 2025 |
| Certified by provider | Jul 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 44638 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 44638 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 35.087839 | OH |
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 (KY); Practitioner - Cardiac Electrophysiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 794 |
|---|---|
| Services billed | 6,382 across 63 procedure codes |
| Paid by Medicare | $351,075 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,715 · 3,860 30-day fills |
|---|---|
| Patients | 424 |
| Total drug cost | $785,506 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Centennial Heart LLCGallatin, TN · 115 clinicians
Hospital affiliations
- Tristar Centennial Medical CenterNashville, TN
- Tristar Horizon Medical CenterDickson, TN
- Tristar Stonecrest Medical CenterSmyrna, TN
- Tristar Summit Medical CenterHermitage, TN
- Vanderbilt Clarksville HospitalClarksville, TN
Industry payments (Open Payments)
- 2025$8,230 · 69 payments from 11 companies
- 2024$8,343 · 76 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $7,074 | 12 |
| Boston Scientific Corporation | $671.77 | 31 |
| Philips North America LLC | $173.34 | 3 |
| Medtronic, Inc. | $161.67 | 16 |
| Terumo Medical Corporation | $27.99 | 1 |
What the 2025 payments were for
- Consulting Fee$5,618 · 1 payment
- Food and Beverage$1,384 · 63 payments
- Travel and Lodging$1,228 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 Internal Medicine, Clinical Cardiac Electrophysiology providers in Nashville · All Internal Medicine, Clinical Cardiac Electrophysiology providers in Tennessee