HAYLEY T HEMPHILL PSYD
NPI 1124553508
Psychologist - Clinical in Seattle, WA
About Hayley T Hemphill Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAYLEY T HEMPHILL PSYD (NPI 1124553508) is an individual clinical provider in Seattle, Washington, licensed in Washington (PY61306567) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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 and accepts Medicare assignment
Hayley T Hemphill Psyd 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 Reassignments
2Medicare enrollment records show Hayley Hemphill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 663 clinicians in this Medicare group
Seattle, WA 98146
- 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
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 Hayley Hemphill's NPI number?
The NPI number for Hayley Hemphill is 1124553508. It was assigned to this individual provider in the NPPES registry on April 24, 2017.
Where is Hayley Hemphill located?
Hayley Hemphill practices at 1124 Columbia St Ste 400, Seattle, WA 98104. The listed phone number is (206) 215-2090.
What is Hayley Hemphill's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Hayley Hemphill enrolled in Medicare?
Yes. Hayley Hemphill 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 organizations bill Medicare for Hayley Hemphill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hayley Hemphill reassigns Medicare benefits to 2 organizations: Swedish Health Services (Seattle, WA) and Healthpoint (Seattle, WA). Each 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 Hayley Hemphill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hayley Hemphill accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Hayley Hemphill 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 Hayley Hemphill was last updated on April 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.