MARIAH DIANE COREY PHD
NPI 1942028386
Psychologist in Seatac, WA
About Mariah Diane Corey Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAH DIANE COREY PHD (NPI 1942028386) is an individual psychologist in Seatac, Washington, licensed in Washington (PY61663553) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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)
Mariah Diane Corey Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mariah Corey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seatac, WA 98188
- Reassigned Medicare billing, Washington enrollment
- 403 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mariah Corey's NPI number?
The NPI number for Mariah Corey is 1942028386. It was assigned to this individual provider in the NPPES registry on October 2, 2024.
Where is Mariah Corey located?
Mariah Corey practices at 4040 S 188th St Ste 201, Seatac, WA 98188. The listed phone number is (206) 277-7200.
What is Mariah Corey's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Mariah Corey enrolled in Medicare?
Yes. Mariah Corey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mariah Corey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Corey reassigns Medicare benefits to Healthpoint (Seatac, WA). 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 Mariah Corey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariah Corey accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Mariah Corey 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 Mariah Corey was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.