OrganizationActive
Douglas Duggan
NPI 1437604964 · Optometrist · Sunnyside, WA
Douglas Duggan is a Optometrist organization in Sunnyside, WA (NPI 1437604964).
Provider details
- NPI number
- 1437604964
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Douglas Duggan, Optometrist(509) 836-2818
- License
- OD00003836 (WA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
2695 E Lincoln Ave
Ste C
Sunnyside, WA 98944-4003
Phone: (509) 836-2818
Fax: (509) 836-2235
Street-level locationGet directions
Mailing address
6022 Thynewood Loop
West Richland, WA 99353-6076
Other names (DBA / former)
- Doing business as
- Clarity Eye Care
Registry dates
- Enumerated
- 2016-08-25
- Last updated
- 2019-06-27
Frequently asked questions
- What is Douglas Duggan's NPI number?
- Douglas Duggan's National Provider Identifier (NPI) is 1437604964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Douglas Duggan?
- Douglas Duggan is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Douglas Duggan located?
- Douglas Duggan's practice location on file with NPPES is 2695 E Lincoln Ave, Sunnyside, WA 98944-4003.
- What is Douglas Duggan's phone number?
- The practice phone number listed in the NPPES registry for Douglas Duggan is (509) 836-2818.
- Who is the authorized official for Douglas Duggan?
- The authorized official listed on Douglas Duggan's NPPES record is Douglas Duggan, Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Douglas Duggan's NPI active?
- Yes — Douglas Duggan's NPI (1437604964) is active in the NPPES registry as of the last update on 2019-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.