Quick answers
- Does Elizabeth Ontiveros accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth Ontiveros 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 Elizabeth Ontiveros see?
- In 2024, CMS data shows 74 Original Medicare patients and 321 services for Elizabeth Ontiveros. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth Ontiveros's NPI number?
- 1124431655. 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 Elizabeth Ontiveros, 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 | 74 |
|---|---|
| Services billed to Medicare | 321 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)41 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)37 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)34 services
- Injection of drug or substance under skin or into muscle (96372)22 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)17 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 cholesterol73%
- High blood pressure68%
- Arthritis55%
- Anxiety28%
- Ischemic heart disease26%
- Diabetes19%
Practice locations
Addresses where Elizabeth Ontiveros is enrolled with Medicare (CMS data updated October 2, 2026).
- 1612 Central Ave, Suite 201Far Rockaway, NY 11691 (516) 792‑1600
- 17002 Gleneagle Dr SConroe, TX 77385 (832) 447‑7123
- 23611w Interstate 10San Antonio, TX 78257 (210) 698‑6617
Group practices
Medicare enrollment lists Elizabeth Ontiveros as a member of these groups (CMS data updated October 2, 2026).
- TMC Provider Group PLLC211 clinicians in the group
- Vantage Medical Associates PC83 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Far Rockaway
Clinicians with the same Medicare primary specialty in Far Rockaway, NY — not a recommendation.
Other clinicians in TMC Provider Group PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Loma Linda University School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124431655 |
| 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