DIANA MARIE ZIEGLER MFT
NPI 1003261843
Marriage & Family Therapist in Seattle, WA
About Diana Marie Ziegler Mft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA MARIE ZIEGLER MFT (NPI 1003261843) is an individual marriage & family therapist in Seattle, Washington, licensed in Wisconsin (1201-124) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
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)
Diana Marie Ziegler Mft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Diana Ziegler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Illinois, Vermont, Washington and Wisconsin enrollments
- 581 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.
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 Diana Ziegler's NPI number?
The NPI number for Diana Ziegler is 1003261843. It was assigned to this individual provider in the NPPES registry on April 29, 2016.
Where is Diana Ziegler located?
Diana Ziegler practices at 10215 Greenwood Ave N Unit S509, Seattle, WA 98133. The listed phone number is (608) 228-6272.
What is Diana Ziegler's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Diana Ziegler enrolled in Medicare?
Yes. Diana Ziegler is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Diana Ziegler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Ziegler reassigns Medicare benefits to 2 organizations: Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). 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 Diana Ziegler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Ziegler accept?
Health plans from Dean Health Plan and Providence Health Plan list Diana Ziegler 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 Diana Ziegler was last updated on December 23, 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.
# Diana Marie Ziegler, MFT · NPI 1003261843
Marriage & Family Therapist provider in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 29, 2016.
## Identity
- **NPI:** 1003261843 (Entity type: Individual)
- **Enumerated:** April 29, 2016
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** 1201-124 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10215 GREENWOOD AVE N UNIT S509, Seattle, WA 98133-9359
- **Phone:** (608) 228-6272
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Grow Healthcare Group PC (NPI 1154994846, San Jose, CA); Grow Healthcare Group PA (NPI 1245845932, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** December 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1003261843) · Data from the CMS NPPES public registry.