TWIN LAKES VISION CLINIC
NPI 1124425111
Optometrist in Federal Way, WA
About Twin Lakes Vision Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TWIN LAKES VISION CLINIC (NPI 1124425111) is a healthcare organization registered as an optometrist in Federal Way, Washington and active in the NPI registry since November 2014. The organization lists Leigh Mast, Optometrist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Twin Lakes Vision Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Twin Lakes Vision Clinic, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Leigh Mast, Od, PLLC's NPI number?
The NPI number for Leigh Mast, Od, PLLC is 1124425111. It was assigned to this organization in the NPPES registry on November 19, 2014. The provider is doing business as Twin Lakes Vision Clinic.
Where is Leigh Mast, Od, PLLC located?
Leigh Mast, Od, PLLC is located at 2317 SW 320th St Suite A, Federal Way, WA 98023. The listed phone number is (253) 952-5547.
What is Leigh Mast, Od, PLLC's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Leigh Mast, Od, PLLC enrolled in Medicare?
Yes. Leigh Mast, Od, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Leigh Mast, Od, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Leigh Mast, Od, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Leigh Mast, Od, PLLC accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Leigh Mast, Od, PLLC 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 Leigh Mast, Od, PLLC was last updated on November 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Twin Lakes Vision Clinic · NPI 1124425111
Optometrist organization in Federal Way, Washington. Organization record, active in the CMS NPPES registry since November 19, 2014.
## Identity
- **NPI:** 1124425111 (Entity type: Organization)
- **Enumerated:** November 19, 2014
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Legal business name:** Leigh Mast, Od, Pllc
- **Organization subpart:** No
- **Authorized official:** Leigh Mast, OPTOMETRIST
## Practice location
- **Address:** 2317 SW 320TH ST, SUITE A, Federal Way, WA 98023-2567
- **Phone:** (253) 952-5547
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Optometry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 19, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1124425111) · Data from the CMS NPPES public registry.