DR. MARY JOSEPHINE HENDRICKSON PHD
NPI 1699755561
Psychologist in Issaquah, WA
About Dr. Mary Josephine Hendrickson Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY JOSEPHINE HENDRICKSON PHD (NPI 1699755561) is an individual psychologist in Issaquah, Washington, licensed in Washington (PY00002719) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Accepted 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
Dr. Mary Josephine Hendrickson 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.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ISSAQUAH, WA 98027
ISSAQUAH, WA 98027
ISSAQUAH, WA 98027
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 Hendrickson's NPI number?
The NPI number for Mary Hendrickson is 1699755561. It was assigned to this individual provider in the NPPES registry on January 18, 2006.
Where is Mary Hendrickson located?
Mary Hendrickson practices at 22500 SE 64th Pl Ste 230, Issaquah, WA 98027. The listed phone number is (425) 409-6414.
What is Mary Hendrickson's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Mary Hendrickson enrolled in Medicare?
Yes. Mary Hendrickson 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 Mary Hendrickson accept?
Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Hendrickson 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 Hendrickson was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.