Joseph J. Oolut, M.D.
NPI 1912913484ActiveIndividual· Internal Medicine, Nephrology· Katy, TX
Internal Medicine, Nephrology (M.D.) in Katy, Texas, trained at University of Texas Medical School at Houston (class of 2003). In 2024 Medicare paid $479,572 for 323 patients, and Part D covered 248 of their prescriptions, 86% of them generic. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $42.32 in all, mostly food and beverage.
Overview
| NPI | 1912913484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Mar 25, 2020 |
| Certified by provider | Mar 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | M4410 | TX |
| Specialist | 174400000X | M4410 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 9,821 across 51 procedure codes |
| Paid by Medicare | $479,572 |
Part D prescriptions in 2024
| Prescriptions (claims) | 248 · 407 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $42,237 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
Medical groups
- Rahul Prakash, M.D., P.A.Cypress, TX · 11 clinicians
- Greenhouse Vascular Access Center, LLCHouston, TX · 2 clinicians
Hospital affiliations
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
Other facilities
- Davita Horizon DialysisDialysis facility · Houston, TX
- Davita Katy Dialysis Grand ParkwayDialysis facility · Katy, TX
- Davita Pin Oak DialysisDialysis facility · Katy, TX
- Davita Sealy DialysisDialysis facility · Sealy, TX
- Davita West Bellfort DialysisDialysis facility · Richmond, TX
- Encompass Health Rehabilitation Hospital of KatyInpatient rehabilitation facility · Katy, TX
Industry payments (Open Payments)
- 2025$42.32 · 2 payments from 2 companies
- 2024$393.61 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $22.14 | 1 |
| Medtronic, Inc. | $20.18 | 1 |
What the 2025 payments were for
- Food and Beverage$42.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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