John George Knecht III, MD
NPI 1639360829ActiveIndividual· Internal Medicine, Medical Oncology· Webster, TX
Internal Medicine, Medical Oncology (MD) with Cls Health PLLC and 2 other groups, practicing in Webster, Texas. Their prescriptions cost Medicare Part D more than their services did: $4,215,310 for 1,832 claims, against $315,139 paid for services in 2024. Regeneron Pharmaceuticals, Inc. was the largest of 42 companies reporting payments in 2025, $9,083 in all, mostly food and beverage. Lists HCA Houston Healthcare Clear Lake and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1639360829 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2007 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | N8676 | 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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 425 |
|---|---|
| Services billed | 16,820 across 54 procedure codes |
| Paid by Medicare | $315,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,832 · 2,534 30-day fills |
|---|---|
| Patients | 279 |
| Total drug cost | $4,215,310 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Medical Oncology |
Medical groups
- Cls Health PLLCWebster, TX · 180 clinicians
- Stephen F Austin Community Health Center, Inc.Alvin, TX · 97 clinicians
- Texienne Physicians Medical Association PLLCShenandoah, TX · 4 clinicians
Hospital affiliations
- HCA Houston Healthcare Clear LakeWebster, TX
- Houston Methodist Clear Lake HospitalNassau Bay, TX
- University of Texas Medical Branch GalvestonGalveston, TX
Other facilities
- Bluevine HospiceHospice · Houston, TX
- Choice Health at HomeHospice · Texas City, TX
- Choice HospiceHospice · Beaumont, TX
- Quantum HospiceHospice · Irving, TX
- Spectrum Hospice IncHospice · League City, TX
Industry payments (Open Payments)
- 2025$9,083 · 142 payments from 42 companies
- 2024$4,491 · 158 payments from 41 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $2,588 | 3 |
| Novartis Pharmaceuticals Corporation | $1,870 | 7 |
| Glaxosmithkline, LLC. | $438.99 | 10 |
| Astellas Pharma US Inc | $347.72 | 9 |
| Pfizer Inc. | $303.13 | 10 |
What the 2025 payments were for
- Food and Beverage$4,537 · 132 payments
- Consulting Fee$4,238 · 4 payments
- Education$308.17 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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