Jason L. Brownell, MD

Medicare activity in 2024

Official CMS public-use data for Jason L. Brownell, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)408 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)229 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)88 services
4. Hemoglobin a1c level (83036)42 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)33 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 cholesterol72%
• High blood pressure71%
• Arthritis47%
• Diabetes28%
• Ischemic heart disease25%
• Chronic kidney disease24%

Hospitals where Jason L. Brownell works

Medicare's Facility Affiliation Data lists Jason L. Brownell 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.

• University Health SystemSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450213
• UT Health San Antonio Multispecialty & Research HoSan Antonio, TX · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 670335

Practice locations

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

• 25723 Old Fredericksburg RdBoerne, TX 78015 (210) 450‑9000

Group practices

Medicare enrollment lists Jason L. Brownell as a member of this group (CMS data updated October 2, 2026).

• University of Texas Health Science Center at San Antonio1,297 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Boerne

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

• Megan K. McClure, DO
• Joshua J. Asamoa, DO
• Akinremi A. Akinwale, MD
• Carlos A. Estrada Velez, MD
• Wade C. Becker, DO

All internal medicine doctors in Boerne →

Other clinicians in University of Texas Health Science Center at San Antonio

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

• Gregory G. Yu, MD
• Thomas C. Frawley, MD
• Jennifer A. Borromeo, MD
• Kevin M. King, MD
• Vijayanadh Ojili, MD
• Nico-Al P. Gotera, DO

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