Quick answers
- Which hospitals does Guangchen Zou work at?
- Medicare's official clinician data lists Guangchen Zou at 3 hospitals: Mercy Hospital Lincoln, Mercy Hospital South and Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Guangchen Zou see patients?
- Medicare's clinician data lists 5 practice locations, including Saint Charles, MO, St Louis, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Guangchen Zou's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Guangchen Zou accept Medicare assignment?
- Yes. Medicare's clinician data says Guangchen Zou 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.
- Does Guangchen Zou offer telehealth?
- Medicare's clinician data says Guangchen Zou offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Guangchen Zou?
- (314) 801-5350, as listed in official Medicare / NPI Registry data.
- What is Guangchen Zou's NPI number?
- 1093378994. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Guangchen Zou works
Medicare's Facility Affiliation Data lists Guangchen Zou at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital LincolnTroy, MO · Critical Access Hospital · CCN 261319
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where Guangchen Zou is enrolled with Medicare (CMS data updated 2026-10-02).
- 1820 Zumbehl Rd, Suite 120Saint Charles, MO 63303 (314) 801‑5350
- 615 S Ballas Rd, Admin 5th FloorSt Louis, MO 63141
- 615 S New Ballas Rd, Administration Building 5th FloorSt Louis, MO 63141
- 621 S New Ballas Rd, 437a Mercy Clinic Nephrology Medical ToSaint Louis, MO 63141 (314) 251‑6344
- 901 Patients 1st Dr, Suite 3300Washington, MO 63090 (636) 231‑6260
Group practices
Medicare enrollment lists Guangchen Zou as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Nephrology, LLC10 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093378994 |
| 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