Donald Knapp, O.D.
NPI 1184614109 · Optometrist · West Winfield, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Knapp, O.D. is a Optometrist provider in West Winfield, NY (NPI 1184614109).
Provider details
- NPI number
- 1184614109
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- VUT003992-1 (NY)
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
- 2005-10-21
- Last updated
- 2020-02-18
- Certified
- 2020-02-18
Frequently asked questions
- What is Donald Knapp's NPI number?
- Donald Knapp's National Provider Identifier (NPI) is 1184614109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Knapp's specialty?
- Donald Knapp is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Donald Knapp located?
- Donald Knapp's practice location on file with NPPES is 392 W Main St, West Winfield, NY 13491-2903.
- What is Donald Knapp's phone number?
- The practice phone number listed in the NPPES registry for Donald Knapp is (315) 822-5678.
- Does Donald Knapp accept Medicare?
- Donald Knapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Knapp's NPI active?
- Yes — Donald Knapp's NPI (1184614109) is active in the NPPES registry as of the last update on 2020-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.