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John Clarkson
NPI 1790800464 · Optician · Mount Kisco, NY
John Clarkson is a Optician provider in Mount Kisco, NY (NPI 1790800464).
Provider details
- NPI number
- 1790800464
- Entity type
- Individual
- Primary specialty
- OpticianEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 3323 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(89/100 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
359 E Main St
Mount Kisco, NY 10549-3028
Phone: (914) 666-4202
Street-level locationGet directions
Mailing address
Po Box 204
Purdys, NY 10578-0204
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Clarkson's NPI number?
- John Clarkson's National Provider Identifier (NPI) is 1790800464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Clarkson's specialty?
- John Clarkson is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).
- Where is John Clarkson located?
- John Clarkson's practice location on file with NPPES is 359 E Main St, Mount Kisco, NY 10549-3028.
- What is John Clarkson's phone number?
- The practice phone number listed in the NPPES registry for John Clarkson is (914) 666-4202.
- Is John Clarkson's NPI active?
- Yes — John Clarkson's NPI (1790800464) 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.