Quick answers
- Which hospitals does Pei Zhang work at?
- Medicare's official clinician data lists Pei Zhang at 1 hospital: St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Pei Zhang see patients?
- Medicare's clinician data lists 2 practice locations, including Chesterfield, MO and Ballwin, MO. Call before your visit to confirm the address.
- What is Pei Zhang's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Pei Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Pei Zhang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Pei Zhang?
- (314) 434-1500, as listed in official Medicare / NPI Registry data.
- What is Pei Zhang's NPI number?
- 1437656477. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Pei Zhang works
Medicare's Facility Affiliation Data lists Pei Zhang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Pei Zhang is enrolled with Medicare (CMS data updated 2026-10-02).
- 232 S Woods Mill RdChesterfield, MO 63017 (314) 434‑1500
- 884 Woods Mill Rd, Suite 100Ballwin, MO 63011 (636) 386‑9224
Group practices
Medicare enrollment lists Pei Zhang as a member of this group (CMS data updated 2026-10-02).
- Western Anesthesiology Associates Inc256 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437656477 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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