Quick answers
- Which hospitals does Gary G. Singer work at?
- Medicare's official clinician data lists Gary G. Singer at 5 hospitals: Barnes-Jewish St Peters Hospital, Missouri Baptist Medical Center, Progress West Hospital, SSM St Joseph Health Center and SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary G. Singer see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Peters, MO. Call before your visit to confirm the address.
- What is Gary G. Singer's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Gary G. Singer accept Medicare assignment?
- Yes. Medicare's clinician data says Gary G. Singer 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 Gary G. Singer offer telehealth?
- Medicare's clinician data says Gary G. Singer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gary G. Singer?
- (636) 720-0310, as listed in official Medicare / NPI Registry data.
- What is Gary G. Singer's NPI number?
- 1366439283. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary G. Singer works
Medicare's Facility Affiliation Data lists Gary G. Singer 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
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · CCN 260005
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · CCN 260200
Practice locations
Addresses where Gary G. Singer is enrolled with Medicare (CMS data updated 2026-10-02).
- 70 Jungerman Cirlce, Suite 302Saint Peters, MO 63376
- 70 Jungermann Cir, Suite 302Saint Peters, MO 63376 (636) 720‑0310
Group practices
Medicare enrollment lists Gary G. Singer as a member of this group (CMS data updated 2026-10-02).
- Midwest Nephrology Associates Inc9 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366439283 |
| 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