George Thomas Keith, M.D.
NPI 1598748873ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (M.D.) in Houston, Texas, trained at University of Tennessee, Hsc, College of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $1,927,967 for 8,858 claims, against $183,258 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 25 companies reporting payments in 2025, $3,912 in all, mostly food and beverage.
Overview
| NPI | 1598748873 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | May 27, 2020 |
| Certified by provider | May 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G1687 | TX |
| Internal Medicine, Pulmonary Disease | 207RP1001X | G1687 | TX |
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 - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 681 |
|---|---|
| Services billed | 2,832 across 34 procedure codes |
| Paid by Medicare | $183,258 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,858 · 17,354 30-day fills |
|---|---|
| Patients | 883 |
| Total drug cost | $1,927,967 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medical Chest Associates PAHouston, TX · 4 clinicians
Hospital affiliations
- Houston Methodist HospitalHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Other facilities
- Total Home Care IncHome health agency · Houston, TX
- Memorial Hermann Rehabilitation Hospital KatyInpatient rehabilitation facility · Katy, TX
- Tirr Memorial HermannInpatient rehabilitation facility · Houston, TX
Industry payments (Open Payments)
- 2025$3,912 · 172 payments from 25 companies
- 2024$3,511 · 171 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $810.66 | 37 |
| Glaxosmithkline, LLC. | $500.79 | 29 |
| Grifols USA, LLC | $298.75 | 9 |
| Takeda Pharmaceuticals U.S.A., Inc. | $268.92 | 8 |
| Regeneron Healthcare Solutions, Inc. | $239.09 | 10 |
What the 2025 payments were for
- Food and Beverage$3,912 · 172 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,983 internal medicine physicians in Houston · All internal medicine physicians in Texas