Quick answers
- Which hospitals does John McCarthy work at?
- Medicare's official clinician data lists John McCarthy at 4 hospitals: Barnes-Jewish St Peters Hospital, Missouri Baptist Medical Center, Progress West Hospital and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John McCarthy see patients?
- Medicare's clinician data lists 3 practice locations, including Chesterfield, MO, Marion, IL and Maryville, IL. Call before your visit to confirm the address.
- What is John McCarthy's specialty?
- Medicare lists Urology as the primary specialty.
- Does John McCarthy accept Medicare assignment?
- Yes. Medicare's clinician data says John McCarthy 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 John McCarthy offer telehealth?
- Medicare's clinician data says John McCarthy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John McCarthy?
- (314) 434-3433, as listed in official Medicare / NPI Registry data.
- What is John McCarthy's NPI number?
- 1477662179. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John McCarthy works
Medicare's Facility Affiliation Data lists John McCarthy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- Progress West HospitalOfallon, MO · Acute Care Hospital · CCN 260219
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where John McCarthy is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 Saint Lukes Ctr Dr, Suite 40Chesterfield, MO 63017 (314) 434‑3433
- 3331 W Deyoung StMarion, IL 62959 (618) 998‑7600
- 6812 State Route 162 200Maryville, IL 62062 (618) 288‑0900
Group practices
Medicare enrollment lists John McCarthy as a member of these groups (CMS data updated 2026-10-02).
- Deaconess Illinois Specialty Clinic, Inc.148 clinicians in the group
- Urology of St Louis Inc94 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477662179 |
| 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