Esther Guy, MD
NPI 1740399484ActiveIndividual· Internal Medicine· Bellaire, TX
Internal Medicine (MD) in Bellaire, Texas, trained at University of Texas Medical School at Houston (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $317,997 for 3,280 claims, against $81,876 paid for services in 2024. Amgen Inc. was the largest of 17 companies reporting payments in 2025, $1,281 in all, mostly food and beverage.
Overview
| NPI | 1740399484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Mar 30, 2020 |
| Certified by provider | Mar 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K5547 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 2,035 across 29 procedure codes |
| Paid by Medicare | $81,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,280 · 7,580 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $317,997 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Houston Methodist HospitalHouston, TX
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
- Womans Hospital of Texas,theHouston, TX
Industry payments (Open Payments)
- 2025$1,281 · 58 payments from 17 companies
- 2024$1,557 · 64 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $353.67 | 14 |
| Corcept Therapeutics | $144.27 | 8 |
| Esperion Therapeutics, Inc. | $140.04 | 8 |
| Novo Nordisk Inc | $94.29 | 4 |
| Harmony Biosciences LLC | $74.90 | 2 |
What the 2025 payments were for
- Food and Beverage$1,281 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in Bellaire · All internal medicine physicians in Texas