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Mark Schonfeld, O.D.
NPI 1356301345 · Optometrist · Port Chester, NY
Mark Schonfeld, O.D. is a Optometrist provider in Port Chester, NY (NPI 1356301345).
Provider details
- NPI number
- 1356301345
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0003036 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(91/100 index)
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
511 Boston Post Rd S.h. Laufer
Port Chester, NY 10573-4749
Phone: (914) 937-3955
Fax: (914) 937-0586
Street-level locationGet directions
Mailing address
511 Boston Post Rd
Port Chester, NY 10573-4734
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2015-02-03
Frequently asked questions
- What is Mark Schonfeld's NPI number?
- Mark Schonfeld's National Provider Identifier (NPI) is 1356301345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Schonfeld's specialty?
- Mark Schonfeld is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Schonfeld located?
- Mark Schonfeld's practice location on file with NPPES is 511 Boston Post Rd S.h. Laufer, Port Chester, NY 10573-4749.
- What is Mark Schonfeld's phone number?
- The practice phone number listed in the NPPES registry for Mark Schonfeld is (914) 937-3955.
- Is Mark Schonfeld's NPI active?
- Yes — Mark Schonfeld's NPI (1356301345) is active in the NPPES registry as of the last update on 2015-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.