Jennifer L. Olivarez, DO

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Olivarez, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)26 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 cholesterol75%
• Chronic kidney disease62%
• Diabetes59%
• Ischemic heart disease59%
• Arthritis48%

Hospitals where Jennifer L. Olivarez works

Medicare's Facility Affiliation Data lists Jennifer L. Olivarez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Rio Grande Regional HospitalMcAllen, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450711
• South Texas Health SystemEdinburg, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450119

Practice locations

Addresses where Jennifer L. Olivarez is enrolled with Medicare (CMS data updated October 2, 2026).

• 2744 W University Dr, Rio Grande Regional HospitaEdinburg, TX 78539 (956) 380‑8080
• 301 W Expressway, Suite 83McAllen, TX 78503 (956) 632‑4000
• 330 W Expressway, Suite 83Weslaco, TX 78599 (956) 975‑2300
• 3700 W Nolana AveMcAllen, TX 78504 (956) 213‑2700
• 4702 S McColl RdEdinburg, TX 78539 (956) 213‑2600

Group practices

Medicare enrollment lists Jennifer L. Olivarez as a member of these groups (CMS data updated October 2, 2026).

• Emergency Medicine Services of TX, PLLC400 clinicians in the group
• McAllen Emergency Medicine Associates PA79 clinicians in the group
• Edinburg Emergency Medicine Associates PA72 clinicians in the group
• Oak Creek Emergency Medicine Associates PA67 clinicians in the group
• Shavano Emergency Medicine Associates, PA46 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Edinburg

Clinicians with the same Medicare primary specialty in Edinburg, TX — not a recommendation.

• Karla Trevino-Ramirez, MD
• Rachel Amegee, MD
• Seth E. Ilgenfritz, MD
• Johnnatan Marin, MD
• Luis Pellicia-Ramos, MD
• Bhumi J. Patel, MD
• Michael S. Menowsky, MD
• David A. Loyola, MD

All emergency medicine doctors in Edinburg →

Other clinicians in Emergency Medicine Services of TX, PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Emiliya G. Usheva, MD
• Gissete Mendez, MD
• Alexander B. Norinsky, DO
• Jose A. Vasconcellos, MD
• Beth-Ann Ollivierre-Baptiste, MD
• Tyler J. Nichols, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians