Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gerard J. Erker, PHD

Individual provider Clinical Psychologist · NPI 1023052479

Gerard J. Erker, PHD is a Clinical Psychologist in Saint Louis, Missouri. Graduated from Saint Louis University School of Medicine in 1984, 42 years ago. Practices with SSM Select Rehab St Louis, LLC, a 5-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
42
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

6420 Clayton Rd 6th Fl
Saint Louis, MO 63117-1811
Phone: (314) 768-5205
Fax: (314) 768-5315
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence PY01284 (MO)
Clinical Psychologist Taxonomy 103TC0700X · Licence 01284 (MO)

Record details

NPI number1023052479
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address1836 Lackland Hill Pkwy, Attnt: Credentialing Department, Saint Louis, MO 63146-3572

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Ssm Select Rehab St. Louis, Llc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Saint Louis