John Thachil, MD
NPI 1710920160ActiveIndividual· Internal Medicine, Hematology & Oncology· Houston, TX
Internal Medicine, Hematology & Oncology (MD) with Texas Oncology PA, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,069,648 for 471 claims, against $414,066 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 44 companies reporting payments in 2025, $3,140 in all, mostly food and beverage. Lists Houston Methodist Willowbrook Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1710920160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Nov 14, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | K4588 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | K4588 | TX |
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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 215 |
|---|---|
| Services billed | 42,146 across 106 procedure codes |
| Paid by Medicare | $414,066 |
Part D prescriptions in 2024
| Prescriptions (claims) | 471 · 671 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $1,069,648 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Houston Methodist Willowbrook HospitalHouston, TX
- St Luke's Hospital at the VintageHouston, TX
Industry payments (Open Payments)
- 2025$3,140 · 128 payments from 44 companies
- 2024$2,767 · 131 payments from 41 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $323.92 | 14 |
| Janssen Biotech, Inc. | $305.02 | 13 |
| Seagen Inc. | $199.90 | 2 |
| Pfizer Inc. | $195.75 | 9 |
| Astellas Pharma US Inc | $160.23 | 5 |
What the 2025 payments were for
- Food and Beverage$2,762 · 124 payments
- Education$377.88 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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