Quick answers
- Which hospitals does Mark A. Friedman work at?
- Medicare's official clinician data lists Mark A. Friedman at 3 hospitals: Madison Medical Center, SSM Health Saint Louis University Hospital and SSM Health St Mary's Hospital - St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Friedman see patients?
- Medicare's clinician data lists 3 practice locations, including Fenton, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Mark A. Friedman's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Mark A. Friedman accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Friedman 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 Mark A. Friedman?
- (636) 496-2000, as listed in official Medicare / NPI Registry data.
- What is Mark A. Friedman's NPI number?
- 1932311974. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark A. Friedman works
Medicare's Facility Affiliation Data lists Mark A. Friedman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Madison Medical CenterFredericktown, MO · Critical Access Hospital · CCN 261302
- 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
Practice locations
Addresses where Mark A. Friedman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1015 Bowles AveFenton, MO 63026 (636) 496‑2000
- 1027 Bellevue Ave, Suite 200Saint Louis, MO 63117 (314) 645‑6450
- 6420 Clayton RdSaint Louis, MO 63117 (314) 768‑8000
Group practices
Medicare enrollment lists Mark A. Friedman as a member of these groups (CMS data updated 2026-10-02).
- SSM Medical Group Inc568 clinicians in the group
- SSM Health Care St Louis167 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Missouri →
Other cardiologists in Fenton
Clinicians with the same Medicare primary specialty in Fenton, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932311974 |
| 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