CRYSTAL SIN OD
NPI 1861264723
Optometrist in Federal Way, WA
About Crystal Sin Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL SIN OD (NPI 1861264723) is an individual optometrist in Federal Way, Washington, licensed in Washington (OD61491957) and active in the NPI registry since October 2023. 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)
Crystal Sin Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Crystal Sin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Everett, WA 98208
- Reassigned Medicare billing, Washington enrollment
- 25 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 98003 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FEDERAL WAY, WA 98003
FEDERAL WAY, WA 98003
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 Crystal Sin's NPI number?
The NPI number for Crystal Sin is 1861264723. It was assigned to this individual provider in the NPPES registry on October 24, 2023.
Where is Crystal Sin located?
Crystal Sin practices at 1705 S 324th Pl, Federal Way, WA 98003. The listed phone number is (253) 661-6005.
What is Crystal Sin's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Crystal Sin enrolled in Medicare?
Yes. Crystal Sin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Crystal Sin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Sin reassigns Medicare benefits to Blue Wave Eye Doctors Professional Limited Liability Company (Everett, 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 Crystal Sin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystal Sin accept?
Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Premera Blue Cross Blue Shield of Alaska list Crystal Sin 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 Crystal Sin was last updated on October 24, 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.
# Crystal Sin, OD · NPI 1861264723
Optometrist provider in Federal Way, Washington. Individual provider, active in the CMS NPPES registry since October 24, 2023.
## Identity
- **NPI:** 1861264723 (Entity type: Individual)
- **Enumerated:** October 24, 2023
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OD61491957 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1705 S 324TH PL, Federal Way, WA 98003-8504
- **Phone:** (253) 661-6005
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Blue Wave Eye Doctors Professional Limited Liability Company (NPI 1053060475, Everett, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1861264723) · Data from the CMS NPPES public registry.