Quick answers
- Which hospitals does Phan Hang work at?
- Medicare's official clinician data lists Phan Hang at 1 hospital: Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Phan Hang see patients?
- Medicare's clinician data lists 3 practice locations, including Ballwin, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Phan Hang's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Phan Hang accept Medicare assignment?
- Yes. Medicare's clinician data says Phan Hang 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 Phan Hang?
- (314) 961-2255, as listed in official Medicare / NPI Registry data.
- What is Phan Hang's NPI number?
- 1346894144. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Phan Hang works
Medicare's Facility Affiliation Data lists Phan Hang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where Phan Hang is enrolled with Medicare (CMS data updated 2026-10-02).
- 13861 Manchester RdBallwin, MO 63011 (314) 961‑2255
- 615 S New Ballas RdSaint Louis, MO 63141 (314) 251‑6339
- 9556 Manchester RdSaint Louis, MO 63119 (314) 961‑2255
Group practices
Medicare enrollment lists Phan Hang as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic Adult Hospitalists - St. Louis, LLC137 clinicians in the group
- Total Access Urgent Care PC126 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ballwin
Clinicians with the same Medicare primary specialty in Ballwin, MO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346894144 |
| 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