Individual provider Active NPI

Gerard J. Erker, PHD

  • Clinical Neuropsychologist
  • Saint Louis, MO
National Provider Identifier
1023052479
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical NeuropsychologistTaxonomy code 103G00000X
License
PY01284 Issued in MO
Practice address
6420 Clayton Rd
6TH Floor
Saint Louis, MO 63117-1811
Phone
(314) 768-5205
Fax
(314) 768-5315
NPI assigned
Jun 16, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Neuropsychologist 103G00000X PY01284 MO Primary
Clinical Psychologist 103TC0700X 01284 MO

Addresses

Primary practice location

6420 Clayton Rd
6TH Floor
Saint Louis, MO 63117-1811

Mailing address

1836 Lackland Hill Pkwy
Attnt: Credentialing Department
Saint Louis, MO 63146-3572
Phone (314) 989-0300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100609000976 MO Practitioner - Clinical Psychologist 8628108123 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Saint Louis University School of Medicine, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

100 Medical PLZ
FL 5
Lake Saint Louis, MO 63367-1366
Phone (636) 755-6500

12380 Depaul Dr
SSM Rehabilitation Hospital
Saint Louis, MO 63117-1811
Phone (314) 447-9700

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PY01284MOMDClinical Neuropsychologist
01284MOMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
SSM Select Rehab St Louis LLC CurrentSince Apr 27, 2010 Accepting new patients
SSM Select Rehab St. Louis, LLC CurrentSince Apr 27, 2010 Accepting new patients
SSM Rehab Past Accepting new patients

Locations

3572 Solutions Ctr
Chicago, IL 60677

4 Arnold Mall
Arnold, MO 63010
Phone (636) 282-0056

100 Medical Plz
Fl 5
Lake St Louis, MO 63367
Phone (636) 625-5200

6420 Clayton Rd
#6
Saint Louis, MO 63117
Phone (314) 768-5300

6420 Clayton Rd
Fl 6
Saint Louis, MO 63117
Phone (314) 768-5205

4714 Gettysburg Rd
Mechanicsburg, PA 17055
Phone (888) 735-6332

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1150416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1023052479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1836 LACKLAND HILL PKWY",
            "address_2": "ATTNT: CREDENTIALING DEPARTMENT",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631463572",
            "telephone_number": "314-989-0300",
            "fax_number": "314-810-1399"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6420 CLAYTON RD",
            "address_2": "6TH FLOOR",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631171811",
            "telephone_number": "314-768-5205",
            "fax_number": "314-768-5315"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERKER",
        "first_name": "GERARD",
        "middle_name": "J.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-16",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "MO",
            "license": "PY01284",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MO",
            "license": "01284",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.