Gregg S. Shander, MD
NPI 1497754733ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Chattanooga, TN
Internal Medicine, Clinical Cardiac Electrophysiology (MD) in Chattanooga, Tennessee, trained at University of Pittsburgh School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,027,456 for 3,918 claims, against $274,751 paid for services in 2024. Biosense Webster, Inc. was the largest of 4 companies reporting payments in 2025, $376.32 in all, mostly food and beverage.
Overview
| NPI | 1497754733 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | May 17, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 307514 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 30751 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,552 |
|---|---|
| Services billed | 6,645 across 72 procedure codes |
| Paid by Medicare | $274,751 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,918 · 9,825 30-day fills |
|---|---|
| Patients | 691 |
| Total drug cost | $1,027,456 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Memorial Health Care System Inc.Hixson, TN · 56 clinicians
Hospital affiliations
- Commonspirit-Memorial Hospital-North GeorgiaRinggold, GA
- Memorial Healthcare System, IncChattanooga, TN
Industry payments (Open Payments)
- 2025$376.32 · 8 payments from 4 companies
- 2024$499.18 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $227.97 | 4 |
| Boston Scientific Corporation | $76.45 | 2 |
| Medtronic, Inc. | $46.98 | 1 |
| Novartis Pharmaceuticals Corporation | $24.92 | 1 |
What the 2025 payments were for
- Food and Beverage$376.32 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Clinical Cardiac Electrophysiology providers in Tennessee