Christopher Ryan Vandreumel, MD
NPI 1396321196ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (MD) in Houston, Texas, trained at Louisiana State University School of Medicine in Shreveport (class of 2021). Part D covered 645 prescriptions written in 2024, 75% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $240.40 in all, mostly food and beverage.
Overview
| NPI | 1396321196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2021 |
| Last updated in NPPES | Aug 20, 2025 |
| Certified by provider | Aug 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 340663 | LA |
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 (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 645 · 1,424 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $114,514 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Internal Medicine |
Medical group
- Mayfair Physician Services, LLCBaton Rouge, LA · 39 clinicians
Hospital affiliation
- Ochsner Medical Center - Baton RougeBaton Rouge, LA
Industry payments (Open Payments)
- 2025$240.40 · 2 payments from 2 companies
- 2024$120.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $124.98 | 1 |
| Genzyme Corporation | $115.42 | 1 |
What the 2025 payments were for
- Food and Beverage$240.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Houston
- 1003803974
- 1003834409
- 1003858143
- 1003901612
- 1003965377
- 1013263482
- 1013394758
- 1013913581
- 1013960228
- 1013983782
- 1013994508
- 1013999036
All 1,983 internal medicine physicians in Houston · All internal medicine physicians in Texas