Quick answers
- Which hospitals does Asim Ayaz work at?
- Medicare's official clinician data lists Asim Ayaz at 5 hospitals: Mercy Hospital Jefferson, SSM St Clare Health Center, SSM St Joseph Health Center, St Lukes Hospital and University of Missouri Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Asim Ayaz see patients?
- Medicare's clinician data lists 5 practice locations, including Fenton, MO, Jefferson City, MO and Festus, MO. Call before your visit to confirm the address.
- What is Asim Ayaz's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Asim Ayaz accept Medicare assignment?
- Yes. Medicare's clinician data says Asim Ayaz 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 Asim Ayaz?
- (636) 496-2000, as listed in official Medicare / NPI Registry data.
- What is Asim Ayaz's NPI number?
- 1144509563. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Asim Ayaz works
Medicare's Facility Affiliation Data lists Asim Ayaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · CCN 260023
- SSM St Clare Health CenterFenton, MO · Acute Care Hospital · CCN 260081
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · CCN 260005
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
- University of Missouri Health CareColumbia, MO · Acute Care Hospital · CCN 260141
Practice locations
Addresses where Asim Ayaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1015 Bowles AveFenton, MO 63026 (636) 496‑2000
- 1125 Madison StJefferson City, MO 65101 (573) 635‑7141
- 1400 US Hwy 61Festus, MO 63028 (636) 933‑8091
- 232 S Woods Mill Rd HospitalistChesterfield, MO 63017 (314) 434‑1500
- 6420 Clayton RdRichmond Heights, MO 63117 (314) 768‑8000
Group practices
Medicare enrollment lists Asim Ayaz as a member of these groups (CMS data updated 2026-10-02).
- The Curators of the University of Missouri1,131 clinicians in the group
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Sound Physicians of Illinois LLC193 clinicians in the group
- Physician Specialists of St Lukes LLC82 clinicians in the group
- Mercy Clinic Adult Hospitalists Jefferson LLC55 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Fenton
Clinicians with the same Medicare primary specialty in Fenton, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144509563 |
| 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