Pablo C. Okhuysen, M.D.
NPI 1629096987ActiveIndividual· Internal Medicine, Infectious Disease· Houston, TX
Internal Medicine, Infectious Disease (M.D.) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $325,265 for 231 claims, against $27,333 paid for services in 2024. Napo Pharmaceuticals Inc reported $5,728 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1629096987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Mar 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | J4664 | TX |
| Internal Medicine | 207R00000X | J4664 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 266 across 14 procedure codes |
| Paid by Medicare | $27,333 |
Part D prescriptions in 2024
| Prescriptions (claims) | 231 · 290 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $325,265 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$5,728 · 9 payments from 1 company
- 2024$13,959 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Napo Pharmaceuticals Inc | $5,728 | 9 |
What the 2025 payments were for
- Travel and Lodging$5,151 · 4 payments
- Food and Beverage$577.39 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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