GERARD J. ERKER PHD
NPI 1023052479
Clinical Neuropsychologist in Saint Louis, MO

Q: What is Gerard Erker's NPI number?

The NPI number for Gerard Erker is 1023052479. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Q: What is Gerard Erker's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: When was this NPI record last updated?

The NPPES record for Gerard Erker was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment

6420 CLAYTON RD, 6TH FLOOR, SAINT LOUIS, MO 63117(314) 768-5205(314) 768-5315 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Gerard J. Erker Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GERARD J. ERKER PHD (NPI 1023052479) is an individual clinical neuropsychologist in Saint Louis, Missouri, licensed in Missouri (PY01284) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1984).

NPPES Registry Identity

NPI1023052479

Entity TypeIndividualMale

Primary Taxonomy103G00000X

Provider Legal NameGERARD J. ERKERCredential: PHD

Location Address6420 CLAYTON RD, 6TH FLOORSaint Louis, MO 63117-1811

Mailing Address1836 Lackland Hill Pkwy, Attnt: Credentialing DepartmentSaint Louis, MO 63146-3572 · (314) 989-0300 · Fax (314) 810-1399

Phone(314) 768-5205

Fax(314) 768-5315

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 1984

Enumeration DateJune 16, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1023052479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

License✔ Licensed in MO · PY01284

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 01284 (MO)

6420 CLAYTON RD, Saint Louis, MO 63117

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gerard J. Erker Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628108123

PECOS Enrollment IDI20100609000976

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Exam of neurobehavioral status, first hour 96116

An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.

154 services120 patients

Treatment of behavior impacting health, initial 30 minutes 96158

This service involves a healthcare professional working with you for 30 minutes to address behaviors that are negatively affecting your health. They will help you understand and modify these behaviors, improving your overall well-being.

98 services47 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTA HARRY PHARMD

Pharmacist

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8341

ANDERSON WEST JR. REGISTERED NURSE

Registered Nurse

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8644

VICTORIA CERNETICH MS, RD, LD

Dietitian, Registered

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8891

DR. SHOUYING DU M.D

Pathology (Anatomic Pathology & Clinical Pathology)

6420 CLAYTON RD
SAINT LOUIS, MO 63117

St. Louis County (314) 344-7525

AUDREY KATE DOMBROWSKI MS, RD, LD

Dietitian, Registered

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8891

MARISA CLEMENTE

Occupational Therapist

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8000

LAUREN VALERIA EVELTI

Student in an Organized Health Care Education/Training Program

6420 CLAYTON RD
SAINT LOUIS, MO 63117

St. Louis County (314) 768-8000

PAMELA HAMPTON CRNA

Nurse Anesthetist, Certified Registered

6420 CLAYTON RD
SAINT LOUIS, MO 63117

St. Louis County (314) 768-8442

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gerard Erker's NPI number?

The NPI number for Gerard Erker is 1023052479. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Gerard Erker located?

Gerard Erker practices at 6420 Clayton Rd 6th Floor, Saint Louis, MO 63117. The listed phone number is (314) 768-5205.

What is Gerard Erker's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Gerard Erker enrolled in Medicare?

Yes. Gerard Erker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gerard Erker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Gerard Erker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gerard Erker was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.