Omar A. Zantua, M.D.
NPI 1083675359ActiveIndividual· Internal Medicine, Geriatric Medicine· Houston, TX
Internal Medicine, Geriatric Medicine (M.D.) with Cs Pacs 3 Southwest, LLC, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $993,200 for 11,361 claims, against $131,340 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 3 companies reporting payments in 2025, $433.30 in all, mostly food and beverage.
Overview
| NPI | 1083675359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2006 |
| Last updated in NPPES | Apr 4, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | M0614 | 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 - Geriatric Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 1,793 across 11 procedure codes |
| Paid by Medicare | $131,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,361 · 11,416 30-day fills |
|---|---|
| Patients | 277 |
| Total drug cost | $993,200 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Geriatric Medicine |
Medical group
- Cs Pacs 3 Southwest, LLCHouston, TX · 23 clinicians
Other facilities
- Huebner Creek Health & Rehabilitation CenterNursing home · San Antonio, TX
- Mystic Park Nursing and Rehabilitation CenterNursing home · San Antonio, TX
- Patriot Heights Health Care CenterNursing home · San Antonio, TX
- Silver Creek Nursing and RehabilitationNursing home · San Antonio, TX
- Wurzbach Nursing and RehabilitationNursing home · San Antonio, TX
Industry payments (Open Payments)
- 2025$433.30 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $230.86 | 3 |
| Acadia Pharmaceuticals Inc | $102.88 | 1 |
| Alpha Cognition USA, Inc. | $99.56 | 1 |
What the 2025 payments were for
- Food and Beverage$334.30 · 4 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 geriatricians in Houston · All geriatricians in Texas