IndividualActive
Allan Armstrong
NPI 1386786689 · Optometrist · Napa, CA
Allan Armstrong is a Optometrist provider in Napa, CA (NPI 1386786689).
Provider details
- NPI number
- 1386786689
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 8188 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
3285 Claremont
Napa, CA 94574
Phone: (707) 258-4506
Street-level locationGet directions
Mailing address
1673 Adams St
St Helena, CA 94574
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Allan Armstrong's NPI number?
- Allan Armstrong's National Provider Identifier (NPI) is 1386786689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allan Armstrong's specialty?
- Allan Armstrong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Allan Armstrong located?
- Allan Armstrong's practice location on file with NPPES is 3285 Claremont, Napa, CA 94574.
- What is Allan Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Allan Armstrong is (707) 258-4506.
- Is Allan Armstrong's NPI active?
- Yes — Allan Armstrong's NPI (1386786689) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.