Quick answers
- Which hospitals does Siri Ancha work at?
- Medicare's official clinician data lists Siri Ancha at 3 hospitals: Barnes-Jewish West County Hospital, Missouri Baptist Medical Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Siri Ancha see patients?
- Medicare's clinician data lists 1 practice location in Chesterfield, MO. Call before your visit to confirm the address.
- What is Siri Ancha's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Siri Ancha accept Medicare assignment?
- Yes. Medicare's clinician data says Siri Ancha 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 Siri Ancha?
- (314) 529-4900, as listed in official Medicare / NPI Registry data.
- What is Siri Ancha's NPI number?
- 1700370863. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Siri Ancha works
Medicare's Facility Affiliation Data lists Siri Ancha at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Siri Ancha is enrolled with Medicare (CMS data updated 2026-10-02).
- 17298 N Outer 40 Rd, Suite 200Chesterfield, MO 63005 (314) 529‑4900
Group practices
Medicare enrollment lists Siri Ancha as a member of this group (CMS data updated 2026-10-02).
- Gateway Gastroenterology Inc25 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700370863 |
| 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