Quick answers
- Does Omar A. Zantua accept Medicare assignment?
- Yes. Medicare's clinician data says Omar A. Zantua accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Omar A. Zantua see?
- In 2024, CMS data shows 190 Original Medicare patients and 1,793 services for Omar A. Zantua. This counts Original Medicare only and measures volume, not quality.
- What is Omar A. Zantua's NPI number?
- 1083675359. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Omar A. Zantua, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 190 |
|---|---|
| Services billed to Medicare | 1,793 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)834 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)628 services
- Advance care planning, first 30 minutes (99497)122 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)86 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)75 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol71%
- Depression71%
- Alzheimer's disease or dementia71%
- Anxiety64%
- Diabetes51%
Practice locations
Addresses where Omar A. Zantua is enrolled with Medicare (CMS data updated October 2, 2026).
- 310 E Lawrence StDayton, TX 77535 (936) 258‑7227
- 5800 W Baker RdBaytown, TX 77520 (281) 425‑1200
Group practices
Medicare enrollment lists Omar A. Zantua as a member of this group (CMS data updated October 2, 2026).
- CS Pacs 3 Southwest, LLC23 clinicians in the group
Specialties
- Geriatric Medicineprimary
Other geriatricians in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in CS Pacs 3 Southwest, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083675359 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians