John V. Heymach, M.D.
NPI 1417056565ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX
Internal Medicine, Medical Oncology (M.D.) in Houston, Texas, trained at Stanford University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,599,350 for 145 claims, against $25,149 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 18 companies reporting payments in 2025, $125,712 in all, mostly consulting fees.
Overview
| NPI | 1417056565 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Dec 15, 2020 |
| Certified by provider | Dec 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | M2645 | TX |
| Internal Medicine | 207R00000X | M2645 | 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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 240 across 6 procedure codes |
| Paid by Medicare | $25,149 |
Part D prescriptions in 2024
| Prescriptions (claims) | 145 · 152 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $1,599,350 |
| Generic share | 33% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$125,712 · 77 payments from 18 companies
- 2024$160,753 · 111 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $21,957 | 4 |
| Biontech Se | $21,486 | 8 |
| E.R. Squibb & Sons, L.L.C. | $19,705 | 7 |
| Jazz Pharmaceuticals Inc. | $16,538 | 5 |
| Regeneron Pharmaceuticals, Inc. | $12,592 | 14 |
What the 2025 payments were for
- Consulting Fee$83,569 · 23 payments
- Travel and Lodging$29,230 · 16 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$9,180 · 3 payments
- Food and Beverage$2,437 · 32 payments
- Education$1,296 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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