Quick answers
- Which hospitals does Asa Peterson work at?
- Medicare's official clinician data lists Asa Peterson at 5 hospitals: SSM Health Saint Louis University Hospital, SSM Health St Mary's Hospital - St Louis, SSM St Clare Health Center, 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 Asa Peterson see patients?
- Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
- What is Asa Peterson's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Asa Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Asa Peterson 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 Asa Peterson?
- (314) 617-2000, as listed in official Medicare / NPI Registry data.
- What is Asa Peterson's NPI number?
- 1801207378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Asa Peterson works
Medicare's Facility Affiliation Data lists Asa Peterson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · CCN 260105
- SSM Health St Mary's Hospital - St LouisSaint Louis, MO · Acute Care Hospital · CCN 260091
- SSM St Clare Health CenterFenton, MO · Acute Care Hospital · CCN 260081
- 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 Asa Peterson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 S Grand BlvdSaint Louis, MO 63104 (314) 617‑2000
Group practices
Medicare enrollment lists Asa Peterson as a member of this group (CMS data updated 2026-10-02).
- SSM Health Care Group940 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801207378 |
| 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