David G. Stewart, MD
NPI 1619977188ActiveIndividual· Internal Medicine, Interventional Cardiology· Germantown, TN
Internal Medicine, Interventional Cardiology (MD) in Germantown, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $1,261,305 for 5,642 claims, against $62,226 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $257.93 in all, mostly food and beverage.
Overview
| NPI | 1619977188 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2005 |
| Last updated in NPPES | May 23, 2024 |
| Certified by provider | May 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 20386 | TN |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 12592 | MS |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 20386 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 12592 | MS |
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 - Interventional Cardiology (MS); Practitioner - Interventional Cardiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 697 |
|---|---|
| Services billed | 1,785 across 41 procedure codes |
| Paid by Medicare | $62,226 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,642 · 12,766 30-day fills |
|---|---|
| Patients | 603 |
| Total drug cost | $1,261,305 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Specialty Physician Group LLCOlive Branch, MS · 102 clinicians
Hospital affiliation
- Methodist Hospitals of MemphisMemphis, TN
Industry payments (Open Payments)
- 2025$257.93 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $145.09 | 1 |
| Pfizer Inc. | $112.84 | 1 |
What the 2025 payments were for
- Food and Beverage$257.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 interventional cardiologists in Germantown · All interventional cardiologists in Tennessee