Quick answers
- Does Stephen M. Schreiner accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen M. Schreiner 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 Stephen M. Schreiner see?
- In 2024, CMS data shows 90 Original Medicare patients and 91 services for Stephen M. Schreiner. This counts Original Medicare only and measures volume, not quality.
- What is Stephen M. Schreiner's NPI number?
- 1457730178. 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 Stephen M. Schreiner, 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 | 90 |
|---|---|
| Services billed to Medicare | 91 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
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%
- Arthritis49%
- Diabetes40%
- Ischemic heart disease37%
- Atrial fibrillation36%
Hospitals where Stephen M. Schreiner works
Medicare's Facility Affiliation Data lists Stephen M. Schreiner 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.
- Baylor Scott & White Medical Center - BudaBuda, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670131
- Baylor Scott & White Medical Center- AustinAustin, TX · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 670136
Practice locations
Addresses where Stephen M. Schreiner is enrolled with Medicare (CMS data updated October 2, 2026).
- 1701 E Pflugerville Pkwy, Baylor Scott and White Clinic PflugPflugerville, TX 78660 (512) 259‑6000
- 5245 W Hwy 290, Baylor Scott and White Medical Center AustiAustin, TX 78735 (512) 654‑2100
- 5251 W Hwy 290, Baylor Scott and White Clinic Austin Oak HiAustin, TX 78735 (512) 654‑3000
- 5251 W Hwy 290 100, Baylor Scott and White Cancer and Infusion CeAustin, TX 78735 (512) 654‑4319
- 5330 Overpass RdBuda, TX 78610
Group practices
Medicare enrollment lists Stephen M. Schreiner as a member of this group (CMS data updated October 2, 2026).
- Scott and White Clinic2,461 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Pflugerville
Clinicians with the same Medicare primary specialty in Pflugerville, TX — not a recommendation.
Other clinicians in Scott and White Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457730178 |
| 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