John Parrish, O.D.
NPI 1801863360 · Corneal and Contact Management Optometrist · Westerville, OH
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Parrish, O.D. is a Corneal and Contact Management Optometrist provider in Westerville, OH (NPI 1801863360).
Provider details
- NPI number
- 1801863360
- Entity type
- Individual
- Primary specialty
- Corneal and Contact Management OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 3010 (OH)
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
- 2006-03-03
- Last updated
- 2008-09-23
Frequently asked questions
- What is John Parrish's NPI number?
- John Parrish's National Provider Identifier (NPI) is 1801863360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Parrish's specialty?
- John Parrish is listed in the NPPES registry with a primary specialty of Corneal and Contact Management Optometrist (Eye and Vision Services Providers).
- Where is John Parrish located?
- John Parrish's practice location on file with NPPES is 114 N State St, Westerville, OH 43081-1426.
- What is John Parrish's phone number?
- The practice phone number listed in the NPPES registry for John Parrish is (614) 882-0851.
- Does John Parrish accept Medicare?
- John Parrish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Parrish's NPI active?
- Yes — John Parrish's NPI (1801863360) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.