John Merslich, O.D.
NPI 1275686339 · Optometrist · Olympia, WA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Merslich, O.D. is a Optometrist provider in Olympia, WA (NPI 1275686339).
Provider details
- NPI number
- 1275686339
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- OD00001868 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2021-04-27
- Certified
- 2021-04-27
Frequently asked questions
- What is John Merslich's NPI number?
- John Merslich's National Provider Identifier (NPI) is 1275686339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Merslich's specialty?
- John Merslich is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is John Merslich located?
- John Merslich's practice location on file with NPPES is 700 Lilly Rd Ne, Olympia, WA 98506-5115.
- What is John Merslich's phone number?
- The practice phone number listed in the NPPES registry for John Merslich is (360) 923-7000.
- Does John Merslich accept Medicare?
- John Merslich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Merslich's NPI active?
- Yes — John Merslich's NPI (1275686339) is active in the NPPES registry as of the last update on 2021-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.