Quick answers
- Where does Gerard J. Erker see patients?
- Medicare's clinician data lists 2 practice locations, including Lake St Louis, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Gerard J. Erker's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Gerard J. Erker accept Medicare assignment?
- Yes. Medicare's clinician data says Gerard J. Erker 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 Gerard J. Erker?
- (636) 755-6500, as listed in official Medicare / NPI Registry data.
- What is Gerard J. Erker's NPI number?
- 1023052479. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gerard J. Erker is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Medical Plz, Fl 5Lake St Louis, MO 63367 (636) 755‑6500
- 12380 Depaul Dr, SSM Rehabilitation HospitalSaint Louis, MO 63117 (314) 447‑9700
Group practices
Medicare enrollment lists Gerard J. Erker as a member of this group (CMS data updated 2026-10-02).
- SSM Select Rehab St. Louis, LLC5 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Medical school | Saint Louis University School Of Medicine |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023052479 |
| 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
- 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