Quick answers
- Which hospitals does Joseph L. Polizzi work at?
- Medicare's official clinician data lists Joseph L. Polizzi at 3 hospitals: Hermann Area District Hospital, Mercy Hospital St Louis and Mercy Hospital Washington. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph L. Polizzi see patients?
- Medicare's clinician data lists 4 practice locations, including Sullivan, MO, Owensville, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Joseph L. Polizzi's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Joseph L. Polizzi accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph L. Polizzi 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.
- Does Joseph L. Polizzi offer telehealth?
- Medicare's clinician data says Joseph L. Polizzi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joseph L. Polizzi?
- (636) 239-2711, as listed in official Medicare / NPI Registry data.
- What is Joseph L. Polizzi's NPI number?
- 1659401206. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph L. Polizzi works
Medicare's Facility Affiliation Data lists Joseph L. Polizzi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hermann Area District HospitalHermann, MO · Critical Access Hospital · CCN 261314
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · CCN 260052
Practice locations
Addresses where Joseph L. Polizzi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1326 S Service W Rd, Suite 30Sullivan, MO 63080 (636) 239‑2711
- 440 Hometown Plaza DrOwensville, MO 65066 (636) 239‑2711
- 625 S New Ballas RdSaint Louis, MO 63141
- 901 Patients 1st Dr, Suite 2500Washington, MO 63090 (314) 251‑1700
Group practices
Medicare enrollment lists Joseph L. Polizzi as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Heart and Vascular LLC113 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Missouri →
Other cardiologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659401206 |
| 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