LYDIA GUENGERICH
NPI 1356147565
Occupational Therapist in Snoqualmie, WA

Active since February 20, 2025
9801 FRONTIER AVE SE, SNOQUALMIE, WA 98065(425) 831-2300 Get Directions Write a Review

NPPES record last updated: February 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lydia Guengerich NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LYDIA GUENGERICH (NPI 1356147565) is an individual occupational therapist in Snoqualmie, Washington and active in the NPI registry since February 2025.

NPPES Registry Identity

NPI1356147565
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameLYDIA GUENGERICH
Location Address9801 FRONTIER AVE SESnoqualmie, WA 98065-5200
Mailing Address800 Sunrise Place Southwest Apt C11Issaquah, WA 98027 · (360) 660-9038
Sole ProprietorNo
Enumeration DateFebruary 20, 2025
NPPES CertifiedFebruary 20, 2025
✔ NPI 1356147565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
9801 FRONTIER AVE SE, Snoqualmie, WA 98065

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lydia Guengerich is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Lydia Guengerich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Critical Access
9801 FRONTIER AVE SE
Snoqualmie, WA 98065
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1144432634 (Washington)
  • 144 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.

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.

Clinical Medical Laboratory
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Registered Nurse
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Pharmacist
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Speech-Language Pathologist
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Emergency Medicine
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Nurse Practitioner
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Family Medicine
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065
Physician Assistant
9801 FRONTIER AVE SE
SNOQUALMIE, WA 98065

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 Lydia Guengerich's NPI number?

The NPI number for Lydia Guengerich is 1356147565. It was assigned to this individual provider in the NPPES registry on February 20, 2025.

Where is Lydia Guengerich located?

Lydia Guengerich practices at 9801 Frontier Ave SE, Snoqualmie, WA 98065. The listed phone number is (425) 831-2300.

What is Lydia Guengerich's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Lydia Guengerich enrolled in Medicare?

Yes. Lydia Guengerich is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lydia Guengerich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Guengerich reassigns Medicare benefits to Public Hospital District No 4 King County Washington (Snoqualmie, 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 Lydia Guengerich'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 Lydia Guengerich was last updated on February 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.