DOROTHY F DIAZ FNP-C
NPI 1497130298
Nurse Practitioner - Family in Normandy Park, WA
About Dorothy F Diaz Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOROTHY F DIAZ FNP-C (NPI 1497130298) is an individual family provider in Normandy Park, Washington, licensed in Washington (AP61672650) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of Other (1981).
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
Dorothy F Diaz Fnp-c 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
3Medicare enrollment records show Dorothy Diaz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98409
- Reassigned Medicare billing, Washington enrollment
- 104 clinicians in this Medicare group
Puyallup, WA 98374
- Reassigned Medicare billing, Washington enrollment
- 91 clinicians in this Medicare group
Spokane, WA 99218
- Reassigned Medicare billing, Washington enrollment
- 105 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98166 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Dorothy Diaz's NPI number?
The NPI number for Dorothy Diaz is 1497130298. It was assigned to this individual provider in the NPPES registry on July 22, 2015.
Where is Dorothy Diaz located?
Dorothy Diaz practices at 20858 2nd Pl SW, Normandy Park, WA 98166. The listed phone number is (210) 849-2448.
What is Dorothy Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Dorothy Diaz enrolled in Medicare?
Yes. Dorothy Diaz 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 Dorothy Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Diaz reassigns Medicare benefits to 3 organizations: Wa Pacs 2 PC (Tacoma, WA), Cs Pacs 3 Northwest, LLC (Puyallup, WA) and Washington Pac Services PC (Spokane, 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 Dorothy Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dorothy Diaz accept?
Health plans from Blue Cross and Blue Shield of Texas list Dorothy Diaz 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 Dorothy Diaz was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dorothy F Diaz, FNP-C · NPI 1497130298
Family physician in Normandy Park, Washington. Individual provider, active in the CMS NPPES registry since July 22, 2015.
## Identity
- **NPI:** 1497130298 (Entity type: Individual)
- **Enumerated:** July 22, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP61672650 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 20858 2ND PL SW, Normandy Park, WA 98166-4226
- **Phone:** (210) 849-2448
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Wa Pacs 2 PC (NPI 1144706532, Tacoma, WA); Cs Pacs 3 Northwest, LLC (NPI 1811752066, Puyallup, WA); Washington Pac Services PC (NPI 1336678168, Spokane, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** September 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1497130298) · Data from the CMS NPPES public registry.