Quick answers
- Does Gabriel G. Oaxaca accept Medicare assignment?
- Yes. Medicare's clinician data says Gabriel G. Oaxaca 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 Gabriel G. Oaxaca see?
- In 2024, CMS data shows 4,276 Original Medicare patients and 12,181 services for Gabriel G. Oaxaca. This counts Original Medicare only and measures volume, not quality.
- What is Gabriel G. Oaxaca's NPI number?
- 1508393182. 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 Gabriel G. Oaxaca, 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 | 4,276 |
|---|---|
| Services billed to Medicare | 12,181 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)5,528 services
- Special stained specimen slides to identify organisms including interpretation and report (88312)2,197 services
- Detection test by nucleic acid for organism, amplified probe technique (87798)1,534 services
- Preparation of tissue for examination by removing any calcium present (88311)1,270 services
- Detection test for candida species (yeast), amplified probe technique (87481)445 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 cholesterol75%
- High blood pressure69%
- Arthritis47%
- Ischemic heart disease28%
- Diabetes26%
- Chronic kidney disease21%
Practice locations
Addresses where Gabriel G. Oaxaca is enrolled with Medicare (CMS data updated October 2, 2026).
- 4131 Directors RowHouston, TX 77092 (877) 697‑2447
Group practices
Medicare enrollment lists Gabriel G. Oaxaca as a member of this group (CMS data updated October 2, 2026).
- Sagis PLLC29 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Sagis PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508393182 |
| 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