AMY MARIE DIAZ RN, ARNP, FNP-C
NPI 1083952527
Nurse Practitioner - Family in Olympia, WA
About Amy Marie Diaz Rn, Arnp, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY MARIE DIAZ RN, ARNP, FNP-C (NPI 1083952527) is an individual family provider in Olympia, Washington, licensed in Washington (AP 60318377) and active in the NPI registry since January 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Tacoma.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amy Marie Diaz Rn, Arnp, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Amy Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 646 clinicians in this Medicare group
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 29 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
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 98506 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
OLYMPIA, WA 98506
OLYMPIA, WA 98506
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 Amy Diaz's NPI number?
The NPI number for Amy Diaz is 1083952527. It was assigned to this individual provider in the NPPES registry on January 17, 2013. The provider is also known as Amy Marie Morsett.
Where is Amy Diaz located?
Amy Diaz practices at 615 Lilly Rd NE Ste 220 Pmg SW Wa Neurosurgery, Olympia, WA 98506. The listed phone number is (360) 486-6150.
What is Amy Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amy Diaz enrolled in Medicare?
Yes. Amy Diaz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Amy Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Diaz reassigns Medicare benefits to 2 organizations: Providence Health & Services Washington (Olympia, WA) and Seva Medical, PLLC (Bellevue, 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 Amy Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Amy Diaz was last updated on January 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Amy Marie Diaz, RN, ARNP, FNP-C · NPI 1083952527
Family physician in Olympia, Washington. Individual provider, active in the CMS NPPES registry since January 17, 2013.
## Identity
- **NPI:** 1083952527 (Entity type: Individual)
- **Enumerated:** January 17, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP 60318377 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 LILLY RD NE STE 220, PMG SW WA NEUROSURGERY, Olympia, WA 98506-5137
- **Phone:** (360) 486-6150 · **Fax:** (360) 486-6155
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services Washington (NPI 1174744304, Olympia, WA); Seva Medical, PLLC (NPI 1679264014, Bellevue, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 5, 2023
- **Other identifiers:** Medicaid 2024514 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1083952527) · Data from the CMS NPPES public registry.