Quick answers
- Which hospitals does Brian R. Ringhofer work at?
- Medicare's official clinician data lists Brian R. Ringhofer at 2 hospitals: Mercy Hospital South and Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian R. Ringhofer see patients?
- Medicare's clinician data lists 5 practice locations, including St Louis, MO, Saint Louis, MO and Hazelwood, MO. Call before your visit to confirm the address.
- What is Brian R. Ringhofer's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Brian R. Ringhofer accept Medicare assignment?
- Yes. Medicare's clinician data says Brian R. Ringhofer 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 Brian R. Ringhofer offer telehealth?
- Medicare's clinician data says Brian R. Ringhofer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Brian R. Ringhofer?
- (314) 251-6344, as listed in official Medicare / NPI Registry data.
- What is Brian R. Ringhofer's NPI number?
- 1538380076. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian R. Ringhofer works
Medicare's Facility Affiliation Data lists Brian R. Ringhofer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where Brian R. Ringhofer is enrolled with Medicare (CMS data updated 2026-10-02).
- 615 S Ballas Rd, Admin 5th FloorSt Louis, MO 63141
- 615 S New Ballas Rd, Administration Building 5th FloorSt Louis, MO 63141
- 621 S New Ballas Rd, 437a Mercy Clinic Nephrology Medical ToSaint Louis, MO 63141 (314) 251‑6344
- 755 Dunn Rd, Suite 150Hazelwood, MO 63042 (314) 251‑6344
- 901 Patients 1st Dr, Suite 3300Washington, MO 63090 (636) 231‑6260
Group practices
Medicare enrollment lists Brian R. Ringhofer as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Nephrology, LLC10 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in St Louis
Clinicians with the same Medicare primary specialty in St Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538380076 |
| 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