Garrettson S. Ellis, M.D.
NPI 1336145317ActiveIndividual· Internal Medicine, Critical Care Medicine· Memphis, TN
Internal Medicine, Critical Care Medicine (M.D.) in Memphis, Tennessee, trained at University of Maryland School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,050,317 for 2,447 claims, against $104,679 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 19 companies reporting payments in 2025, $1,899 in all, mostly food and beverage.
Overview
| NPI | 1336145317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2005 |
| Last updated in NPPES | Jun 21, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 38522 | TN |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 38522 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (MS); Practitioner - Critical Care (Intensivists) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 552 |
|---|---|
| Services billed | 2,227 across 49 procedure codes |
| Paid by Medicare | $104,679 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,447 · 3,345 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $1,050,317 |
| Generic share | 41% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Mid-South Pulmonary Specialists PCMemphis, TN · 47 clinicians
Hospital affiliations
- Methodist Healthcare - Olive Branch HospitalOlive Branch, MS
- Methodist Hospitals of MemphisMemphis, TN
- St Francis HospitalMemphis, TN
Industry payments (Open Payments)
- 2025$1,899 · 117 payments from 19 companies
- 2024$1,530 · 91 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $308.36 | 29 |
| Astrazeneca Pharmaceuticals LP | $211.68 | 15 |
| Regeneron Healthcare Solutions, Inc. | $194.95 | 8 |
| Genzyme Corporation | $177.93 | 8 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $167.33 | 11 |
What the 2025 payments were for
- Food and Beverage$1,865 · 116 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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