Nicholas Castagna, OD
NPI 1841910270 · Optometrist · Maple Valley, WA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Castagna, OD is a Optometrist provider in Maple Valley, WA (NPI 1841910270).
Provider details
- NPI number
- 1841910270
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- OD61338911 (WA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-08-29
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Nicholas Castagna's NPI number?
- Nicholas Castagna's National Provider Identifier (NPI) is 1841910270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Castagna's specialty?
- Nicholas Castagna is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nicholas Castagna located?
- Nicholas Castagna's practice location on file with NPPES is 26615 Maple Valley Black Diamond Rd Se, Maple Valley, WA 98038-8347.
- What is Nicholas Castagna's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Castagna is (425) 413-8787.
- Does Nicholas Castagna accept Medicare?
- Nicholas Castagna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Castagna's NPI active?
- Yes — Nicholas Castagna's NPI (1841910270) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.