William Middleton, OD
NPI 1134273923 · Optometrist · El Centro, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Middleton, OD is a Optometrist provider in El Centro, CA (NPI 1134273923).
Provider details
- NPI number
- 1134273923
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5568T (CA)
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
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
- 2007-01-22
- Last updated
- 2008-06-03
Frequently asked questions
- What is William Middleton's NPI number?
- William Middleton's National Provider Identifier (NPI) is 1134273923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Middleton's specialty?
- William Middleton is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Middleton located?
- William Middleton's practice location on file with NPPES is 496 W Main St, El Centro, CA 92243-3019.
- What is William Middleton's phone number?
- The practice phone number listed in the NPPES registry for William Middleton is (760) 353-1190.
- Does William Middleton accept Medicare?
- William Middleton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Middleton's NPI active?
- Yes — William Middleton's NPI (1134273923) is active in the NPPES registry as of the last update on 2008-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.