Quick answers
- Which hospitals does Mark Gdowski work at?
- Medicare's official clinician data lists Mark Gdowski at 3 hospitals: Memorial Hospital, Phelps County Regional Medical Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Gdowski see patients?
- Medicare's clinician data lists 2 practice locations, including Chesterfield, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Mark Gdowski's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Mark Gdowski accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Gdowski 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 Gdowski?
- (314) 434-3278, as listed in official Medicare / NPI Registry data.
- What is Mark Gdowski's NPI number?
- 1831453505. 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 Gdowski works
Medicare's Facility Affiliation Data lists Mark Gdowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial HospitalBelleville, IL · Acute Care Hospital · CCN 140185
- Phelps County Regional Medical CenterRolla, MO · Acute Care Hospital · CCN 260017
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Mark Gdowski is enrolled with Medicare (CMS data updated 2026-10-02).
- 121 Saint Lukes Ctr Dr, Suite 303Chesterfield, MO 63017 (314) 434‑3278
- 450 N New Ballas Rd, Suite 270Saint Louis, MO 63141 (314) 991‑6969
Group practices
Medicare enrollment lists Mark Gdowski as a member of these groups (CMS data updated 2026-10-02).
- Heart Care Specialists LLC17 clinicians in the group
- Heart Health Specialists, LLC11 clinicians in the group
Specialties
Other interventional cardiologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831453505 |
| 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