Quick answers
- Does Sarah Y. Wang accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah Y. Wang 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 Sarah Y. Wang see?
- In 2024, CMS data shows 602 Original Medicare patients and 146,332 services for Sarah Y. Wang. This counts Original Medicare only and measures volume, not quality.
- What is Sarah Y. Wang's NPI number?
- 1841581931. 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 Sarah Y. Wang, 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 | 602 |
|---|---|
| Services billed to Medicare | 146,332 |
| Different services or procedures | 182 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, pembrolizumab, 1 mg (J9271)14,500 services
- Injection, oxaliplatin, 0.5 mg (J9263)11,500 services
- Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)11,220 services
- Injection, iron sucrose, 1 mg (J1756)8,200 services
- Injection, fosaprepitant, 1 mg (J1453)7,800 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 cholesterol71%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)51%
- Arthritis50%
- Chronic kidney disease36%
- Diabetes34%
Hospitals where Sarah Y. Wang works
Medicare's Facility Affiliation Data lists Sarah Y. Wang 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.
- CHRISTUS Mother Frances HospitalTyler, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450102
- CHRISTUS Mother Frances Hospital- JacksonvilleJacksonville, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451319
- Nacogdoches Medical CenterNacogdoches, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450656
Practice locations
Addresses where Sarah Y. Wang is enrolled with Medicare (CMS data updated October 2, 2026).
- 501 Saunders Ave, Suite 310Tyler, TX 75702 (903) 579‑9800
- 7848 Gateway Blvd EEl Paso, TX 79915 (915) 599‑1313
Group practices
Medicare enrollment lists Sarah Y. Wang as a member of this group (CMS data updated October 2, 2026).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Tyler
Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.
Other clinicians in Texas Oncology PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841581931 |
| 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