MRS. RAE ALEXANDRA WILKERSON MAIXNER PH.D.
NPI 1679854194
Psychologist in Saint Louis, MO

Active since August 30, 2011PECOS Enrolled
1 CHILDRENS PL STE 3N-14, SAINT LOUIS, MO 63110(314) 454-6069 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Nov 8, 2021, Jun 10, 2019 (3 updates tracked since 2019).

About Mrs. Rae Alexandra Wilkerson Maixner Ph.d. NPPES

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

MRS. RAE ALEXANDRA WILKERSON MAIXNER PH.D. (NPI 1679854194) is an individual psychologist in Saint Louis, Missouri, licensed in Missouri (2017033399) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679854194
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMRS. RAE ALEXANDRA WILKERSON MAIXNERCredential: PH.D.
Location Address1 CHILDRENS PL STE 3N-14Saint Louis, MO 63110-1002
Mailing Address1 Childrens Pl Ste 3n-14Saint Louis, MO 63110-1002 · (314) 454-6069
Sole ProprietorNo
Enumeration DateAugust 30, 2011
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPPES CertifiedNovember 8, 2021
✔ NPI 1679854194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in MO · 2017033399
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
1 CHILDRENS PL STE 3N-14, Saint Louis, MO 63110

Other Names 1

Professional Name (2)Dr. Alex Maixner

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Rae Alexandra Wilkerson Maixner Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Rae Wilkerson Maixner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Adolescent and Children Mental Health
1 CHILDRENS PL
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 39 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 7

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

Psychologist (Clinical Child & Adolescent)
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110
Psychologist
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110
Psychologist
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110
Psychologist
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110
Psychologist
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110
Psychologist (Clinical Child & Adolescent)
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110
Psychologist (Health Service)
1 CHILDRENS PL STE 3N-14
SAINT LOUIS, MO 63110

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 Rae Wilkerson Maixner's NPI number?

The NPI number for Rae Wilkerson Maixner is 1679854194. It was assigned to this individual provider in the NPPES registry on August 30, 2011. The provider is also known as Dr. Alex Maixner.

Where is Rae Wilkerson Maixner located?

Rae Wilkerson Maixner practices at 1 Childrens Pl Ste 3n-14, Saint Louis, MO 63110. The listed phone number is (314) 454-6069.

What is Rae Wilkerson Maixner's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Rae Wilkerson Maixner enrolled in Medicare?

Yes. Rae Wilkerson Maixner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rae Wilkerson Maixner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rae Wilkerson Maixner reassigns Medicare benefits to St. Louis Childrens Hospital (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rae Wilkerson Maixner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rae Wilkerson Maixner accept?

Health plans from Medica, Oscar Insurance Company and UnitedHealthcare list Rae Wilkerson Maixner 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 Rae Wilkerson Maixner was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.