Karen Preston, O.D.
NPI 1861436438 · Pediatric Optometrist · Bellevue, WA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Preston, O.D. is a Pediatric Optometrist provider in Bellevue, WA (NPI 1861436438).
Provider details
- NPI number
- 1861436438
- Entity type
- Individual
- Primary specialty
- Pediatric OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- OD00001609 (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
20 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
- 2006-06-15
- Last updated
- 2008-02-12
Frequently asked questions
- What is Karen Preston's NPI number?
- Karen Preston's National Provider Identifier (NPI) is 1861436438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Preston's specialty?
- Karen Preston is listed in the NPPES registry with a primary specialty of Pediatric Optometrist (Eye and Vision Services Providers).
- Where is Karen Preston located?
- Karen Preston's practice location on file with NPPES is 14645 Bel Red Rd, Bellevue, WA 98007-3929.
- What is Karen Preston's phone number?
- The practice phone number listed in the NPPES registry for Karen Preston is (425) 732-6056.
- Does Karen Preston accept Medicare?
- Karen Preston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Preston's NPI active?
- Yes — Karen Preston's NPI (1861436438) is active in the NPPES registry as of the last update on 2008-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.