NICHOLAS CASTAGNA OD
NPI 1841910270
Optometrist in Maple Valley, WA
About Nicholas Castagna Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS CASTAGNA OD (NPI 1841910270) is an individual optometrist in Maple Valley, Washington, licensed in Washington (OD61338911) and active in the NPI registry since August 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).
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)
Nicholas Castagna Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Nicholas Castagna reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maple Valley, WA 98038
- Reassigned Medicare billing, Washington enrollment
- 5 clinicians in this Medicare group
Bellevue, WA 98005
- Reassigned Medicare billing, Washington enrollment
- 87 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 98038 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MAPLE VALLEY, WA 98038
MAPLE VALLEY, WA 98038
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 Nicholas Castagna's NPI number?
The NPI number for Nicholas Castagna is 1841910270. It was assigned to this individual provider in the NPPES registry on August 29, 2022.
Where is Nicholas Castagna located?
Nicholas Castagna practices at 26615 Maple Valley Black Diamond Rd SE, Maple Valley, WA 98038. The listed phone number is (425) 413-8787.
What is Nicholas Castagna's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Nicholas Castagna enrolled in Medicare?
Yes. Nicholas Castagna is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nicholas Castagna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Castagna reassigns Medicare benefits to 2 organizations: Maple Valley Eye Care Center Ps (Maple Valley, WA) and Aeg Washington Professional PC (Bellevue, WA). 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 Nicholas Castagna's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Castagna accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 3 other insurers list Nicholas Castagna 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 Nicholas Castagna was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Nicholas Castagna, OD · NPI 1841910270
Optometrist provider in Maple Valley, Washington. Individual provider, active in the CMS NPPES registry since August 29, 2022.
## Identity
- **NPI:** 1841910270 (Entity type: Individual)
- **Enumerated:** August 29, 2022
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OD61338911 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 26615 MAPLE VALLEY BLACK DIAMOND RD SE, Maple Valley, WA 98038-8347
- **Phone:** (425) 413-8787
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Maple Valley Eye Care Center Ps (NPI 1124224217, Maple Valley, WA); Aeg Washington Professional PC (NPI 1134835176, Bellevue, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1841910270) · Data from the CMS NPPES public registry.