Matthews Chacko, M.D.
NPI 1497884647ActiveIndividual· Internal Medicine, Interventional Cardiology· Nashville, TN
Internal Medicine, Interventional Cardiology (M.D.) in Nashville, Tennessee, trained at Johns Hopkins University School of Medicine (class of 2001). 231 Medicare patients in 2024, $58,566 paid; nearly all of their 337 Part D prescriptions were generic (91%). Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $2,390 in all, mostly travel and lodging.
Overview
| NPI | 1497884647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 5, 2007 |
| Last updated in NPPES | Jun 3, 2026 |
| Certified by provider | Jun 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 61727 | TN |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 59260 | KY |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 61727 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (KY); Practitioner - Cardiovascular Disease (Cardiology) (MD); Practitioner - Interventional Cardiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 542 across 49 procedure codes |
| Paid by Medicare | $58,566 |
Part D prescriptions in 2024
| Prescriptions (claims) | 337 · 847 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $39,585 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Vanderbilt University Medical CenterNashville, TN · 3,567 clinicians
Hospital affiliations
- Jennie Stuart Medical CenterHopkinsville, KY
- Vanderbilt University Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$2,390 · 30 payments from 3 companies
- 2024$278.89 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $2,182 | 24 |
| Boston Scientific Corporation | $193.55 | 5 |
| Abbott Laboratories | $14.62 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,260 · 13 payments
- Food and Beverage$1,130 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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