Quick answers
- Which hospitals does Thien-An Hoang work at?
- Medicare's official clinician data lists Thien-An Hoang at 5 hospitals: Barnes-Jewish St Peters Hospital, Mercy Hospital St Louis, Progress West Hospital, SSM St Joseph Health Center and SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thien-An Hoang see patients?
- Medicare's clinician data lists 4 practice locations, including Wentzville, MO, Saint Louis, MO and Saint Charles, MO. Call before your visit to confirm the address.
- What is Thien-An Hoang's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Thien-An Hoang accept Medicare assignment?
- Yes. Medicare's clinician data says Thien-An Hoang 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 Thien-An Hoang?
- (636) 561-4100, as listed in official Medicare / NPI Registry data.
- What is Thien-An Hoang's NPI number?
- 1871792796. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thien-An Hoang works
Medicare's Facility Affiliation Data lists Thien-An Hoang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Progress West HospitalOfallon, MO · Acute Care Hospital · CCN 260219
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · CCN 260005
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · CCN 260200
Practice locations
Addresses where Thien-An Hoang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1078 Wentzville Pkwy, Esse HealthWentzville, MO 63385 (636) 561‑4100
- 13303 Tesson Ferry RdSaint Louis, MO 63128
- 1475 Kisker Rd, Suite 230Saint Charles, MO 63304 (636) 939‑5000
- 7212 Balson AveSaint Louis, MO 63130
Group practices
Medicare enrollment lists Thien-An Hoang as a member of these groups (CMS data updated 2026-10-02).
- Aging Well Health Care, LLC238 clinicians in the group
- American Multispecialty Group Inc116 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Wentzville
Clinicians with the same Medicare primary specialty in Wentzville, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871792796 |
| 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