Quick answers
- Which hospitals does Alex Gu work at?
- Medicare's official clinician data lists Alex Gu at 2 hospitals: Barnes Jewish Hospital and Barnes-Jewish West County Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex Gu see patients?
- Medicare's clinician data lists 4 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Alex Gu's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Alex Gu accept Medicare assignment?
- Yes. Medicare's clinician data says Alex Gu 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 Alex Gu?
- (314) 514-3500, as listed in official Medicare / NPI Registry data.
- What is Alex Gu's NPI number?
- 1588293427. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex Gu works
Medicare's Facility Affiliation Data lists Alex Gu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
Practice locations
Addresses where Alex Gu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 514‑3500
- 1044 N Mason Rd, Suite 110/210Saint Louis, MO 63141 (314) 514‑3500
- 12634 Olive BlvdSaint Louis, MO 63141 (314) 996‑8080
- 4921 Parkview PlSaint Louis, MO 63110 (314) 514‑3500
Group practices
Medicare enrollment lists Alex Gu as a member of this group (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588293427 |
| 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