Terry Lane Zellmer, MD
NPI 1104827690ActiveIndividual· Internal Medicine, Interventional Cardiology· Baton Rouge, LA
Internal Medicine, Interventional Cardiology (MD) in Baton Rouge, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $1,250,889 for 9,934 claims, against $259,937 paid for services in 2024. Scpharmaceuticals Inc. was the largest of 15 companies reporting payments in 2025, $790.88 in all, mostly food and beverage.
Overview
| NPI | 1104827690 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 9, 2005 |
| Last updated in NPPES | Mar 31, 2026 |
| Certified by provider | Mar 31, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 017796 | LA |
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 - Cardiovascular Disease (Cardiology) (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,291 |
|---|---|
| Services billed | 3,661 across 48 procedure codes |
| Paid by Medicare | $259,937 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,934 · 23,859 30-day fills |
|---|---|
| Patients | 960 |
| Total drug cost | $1,250,889 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Baton Rouge Cardiology CenterBaton Rouge, LA · 28 clinicians
Hospital affiliations
- Baton Rouge General Medical CenterBaton Rouge, LA
- St James Parish HospitalLutcher, LA
- Surgical Specialty Center of Baton RougeBaton Rouge, LA
- The Spine Hospital of LouisianaBaton Rouge, LA
- Womans HospitalBaton Rouge, LA
Industry payments (Open Payments)
- 2025$790.88 · 35 payments from 15 companies
- 2024$1,045 · 47 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Scpharmaceuticals Inc. | $149.07 | 11 |
| Abiomed | $142.28 | 2 |
| Shockwave Medical, Inc | $113.31 | 4 |
| Merck Sharp & Dohme LLC | $49.28 | 3 |
| Esperion Therapeutics, Inc. | $47.47 | 2 |
What the 2025 payments were for
- Food and Beverage$790.88 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 interventional cardiologists in Baton Rouge · All interventional cardiologists in Louisiana