Quick answers
- Does Sabrina Phillips Garrison accept Medicare assignment?
- Yes. Medicare's clinician data says Sabrina Phillips Garrison 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 Sabrina Phillips Garrison see?
- In 2024, CMS data shows 82 Original Medicare patients and 260 services for Sabrina Phillips Garrison. This counts Original Medicare only and measures volume, not quality.
- What is Sabrina Phillips Garrison's NPI number?
- 1578676417. 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 Sabrina Phillips Garrison, 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 | 82 |
|---|---|
| Services billed to Medicare | 260 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- 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)59 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)36 services
- Injection of drug or substance under skin or into muscle (96372)16 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)16 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%
- Anxiety38%
- Arthritis37%
- Diabetes35%
- Chronic kidney disease35%
Hospitals where Sabrina Phillips Garrison works
Medicare's Facility Affiliation Data lists Sabrina Phillips Garrison 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.
- CHI St. Luke's Health BrazosportLake Jackson, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450072
- Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450820
- Matagorda Regional Medical CenterBay City, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450465
- Sweeny Community HospitalSweeny, TX · Critical Access Hospital · CCN 451311
- UTMB Health League City Campus HospitalLeague City, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450018
Practice locations
Addresses where Sabrina Phillips Garrison is enrolled with Medicare (CMS data updated October 2, 2026).
- 170 4th St S, Suite 2Van Vleck, TX 77482 (979) 429‑2011
- 513 S Columbia DrWest Columbia, TX 77486 (979) 345‑6522
Group practices
Medicare enrollment lists Sabrina Phillips Garrison as a member of this group (CMS data updated October 2, 2026).
- Medical Leaders and Associates, PLLC14 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Medical Leaders and Associates, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578676417 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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