Quick answers
- Does Xiaowen T. Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Xiaowen T. Zhang 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 Xiaowen T. Zhang see?
- In 2024, CMS data shows 351 Original Medicare patients and 834 services for Xiaowen T. Zhang. This counts Original Medicare only and measures volume, not quality.
- What is Xiaowen T. Zhang's NPI number?
- 1144683442. 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 Xiaowen T. Zhang, 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 | 351 |
|---|---|
| Services billed to Medicare | 834 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)381 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)190 services
- Hospital discharge day management, more than 30 minutes (99239)131 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)113 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%
- Arthritis60%
- Ischemic heart disease58%
- Heart failure51%
- Chronic kidney disease50%
Hospitals where Xiaowen T. Zhang works
Medicare's Facility Affiliation Data lists Xiaowen T. Zhang 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.
- Centrastate Medical CenterFreehold, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310111
- Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390156
- Northern Light Maine Coast HospitalEllsworth, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200050
- Penn Highlands DuboisDubois, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390086
- Tidalhealth Nanticoke, Inc.Seaford, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080006
Practice locations
Addresses where Xiaowen T. Zhang is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 100 Hospital AveDu Bois, PA 15801 (814) 371‑2200
- 1201 Langhorne Newtown RdLanghorne, PA 19047
- 1201 Langhorne Newtown Rd, St Mary Medical CenterLanghorne, PA 19047 (215) 750‑2000
- 1500 Lansdowne AveDarby, PA 19023
- 1500 Lansdowne Ave, Suite G103Darby, PA 19023 (610) 237‑7950
Group practices
Medicare enrollment lists Xiaowen T. Zhang as a member of these groups (CMS data updated October 2, 2026).
- Trinity Health Mid-Atlantic Medical Group334 clinicians in the group
- Apogee Medical Group of Pennsylvania PC151 clinicians in the group
- Apogee Medical Group Delaware Inc91 clinicians in the group
- NJ Acute Care Specialists Professional Corporation55 clinicians in the group
- Hospital Medicine Services of Maine LLC31 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Du Bois
Clinicians with the same Medicare primary specialty in Du Bois, PA — not a recommendation.
Other clinicians in Trinity Health Mid-Atlantic Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144683442 |
| 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