DR. MARY OLSON PHD
NPI 1174267660
Clinical Neuropsychologist in Saint Louis, MO
About Dr. Mary Olson Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY OLSON PHD (NPI 1174267660) is an individual clinical neuropsychologist in Saint Louis, Missouri and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mary Olson 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.
Medicare Billing Reassignment
Medicare enrollment records show Mary Olson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Creve Coeur, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 2 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.
Areas of Expertise CMS Part B claims 5
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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CREVE COEUR, MO 63141
CREVE COEUR, MO 63141
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 Mary Olson's NPI number?
The NPI number for Mary Olson is 1174267660. It was assigned to this individual provider in the NPPES registry on April 21, 2022.
Where is Mary Olson located?
Mary Olson practices at 522 N New Ballas Rd Ste 201, Saint Louis, MO 63141. The listed phone number is (314) 833-4210.
What is Mary Olson's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Mary Olson enrolled in Medicare?
Yes. Mary Olson 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.
Which organization bills Medicare for Mary Olson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Olson reassigns Medicare benefits to St. Louis Center For Cognitive Health, LLC (Creve Coeur, 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 Mary Olson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Olson accept?
Health plans from Anthem Blue Cross and Blue Shield and Medica list Mary Olson 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 Mary Olson was last updated on April 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.