DIANE FRIEDHOFF
NPI 1144854126
Social Worker - Clinical in Seattle, WA
About Diane Friedhoff NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE FRIEDHOFF (NPI 1144854126) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW61282449) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS.
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 (PECOS)
Diane Friedhoff is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diane Friedhoff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- 1,021 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 98105 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.
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 Diane Friedhoff's NPI number?
The NPI number for Diane Friedhoff is 1144854126. It was assigned to this individual provider in the NPPES registry on February 27, 2020.
Where is Diane Friedhoff located?
Diane Friedhoff practices at 2671 NE 46th St, Seattle, WA 98105. The listed phone number is (206) 525-8000.
What is Diane Friedhoff's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Diane Friedhoff enrolled in Medicare?
Yes. Diane Friedhoff is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diane Friedhoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Friedhoff reassigns Medicare benefits to Virginia Mason Medical Center (Seattle, 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 Diane Friedhoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diane Friedhoff accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Diane Friedhoff 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 Diane Friedhoff was last updated on March 1, 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.
# Diane Friedhoff · NPI 1144854126
Clinical provider in Seattle, Washington. Individual provider, active in the CMS NPPES registry since February 27, 2020.
## Identity
- **NPI:** 1144854126 (Entity type: Individual)
- **Enumerated:** February 27, 2020
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** LW61282449 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 2671 NE 46TH ST, Seattle, WA 98105-5041
- **Phone:** (206) 525-8000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Virginia Mason Medical Center (NPI 1104974302, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1144854126) · Data from the CMS NPPES public registry.