William Kritzer, OD
NPI 1659451623 · Optometrist · Crystal River, FL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kritzer, OD is a Optometrist provider in Crystal River, FL (NPI 1659451623).
Provider details
- NPI number
- 1659451623
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- OPC6791 (FL)
Specialties & taxonomies
Eye and Vision Services Providers
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
- 2006-10-16
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is William Kritzer's NPI number?
- William Kritzer's National Provider Identifier (NPI) is 1659451623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kritzer's specialty?
- William Kritzer is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Kritzer located?
- William Kritzer's practice location on file with NPPES is 1661 Se US Highway 19, Crystal River, FL 34429-4830.
- What is William Kritzer's phone number?
- The practice phone number listed in the NPPES registry for William Kritzer is (352) 563-1666.
- Does William Kritzer accept Medicare?
- William Kritzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kritzer's NPI active?
- Yes — William Kritzer's NPI (1659451623) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.