National Provider Identifier Database

NICHOLAS CASTAGNA, OD – NPI #1841910270
Optometrist

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye.


Contact Information

NICHOLAS CASTAGNA, OD
26615 MAPLE VALLEY BLACK DIAMOND RD SE
MAPLE VALLEY, WA98038-8347
Phone: 425-413-8787
Fax:
Website:
Specialty Taxonomy Code
* Optometrist 152W00000X

* Indicates primary specialty

NPI Profile & details for NICHOLAS CASTAGNA

NPI Number 1841910270
Credentials OD (Doctor of Optometry)
Entity Individual
Enumeration date 08/29/2022
Last updated 09/29/2025 - About 8 months ago
Sole proprietor1 No
Identifiers
  • WA License #: OD61338911
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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