Ruby Samuel John, MD
NPI 1629224118ActiveIndividual· Internal Medicine· The Woodlands, TX
Internal Medicine (MD) with Westwood Primary Care, PLLC, practicing in The Woodlands, Texas. Their prescriptions cost Medicare Part D more than their services did: $349,459 for 2,508 claims, against $52,697 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 7 companies reporting payments in 2025, $167.40 in all, mostly food and beverage. Lists Memorial Hermann Hospital System as a hospital affiliation.
Overview
| NPI | 1629224118 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2008 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | P1334 | 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 | 108 |
|---|---|
| Services billed | 2,044 across 84 procedure codes |
| Paid by Medicare | $52,697 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,508 · 6,133 30-day fills |
|---|---|
| Patients | 183 |
| Total drug cost | $349,459 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Westwood Primary Care, PLLCMagnolia, TX · 20 clinicians
Hospital affiliation
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
- 2025$167.40 · 8 payments from 7 companies
- 2024$583.40 · 29 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $38.96 | 2 |
| Novo Nordisk Inc | $29.23 | 1 |
| Dexcom, Inc. | $25.01 | 1 |
| Sanofi-Aventis U.S. LLC | $23.15 | 1 |
| Medtronic, Inc. | $23.03 | 1 |
What the 2025 payments were for
- Food and Beverage$167.40 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 internal medicine physicians in The Woodlands · All internal medicine physicians in Texas