What is Gregory Silva's NPI number?

Gregory Silva's National Provider Identifier (NPI) is 1285786012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Silva's specialty?

Gregory Silva is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Gregory Silva located?

Gregory Silva's practice location on file with NPPES is 3400 Delta Fair Blvd, Antioch, CA 94509-4004.

What is Gregory Silva's phone number?

The practice phone number listed in the NPPES registry for Gregory Silva is (925) 779-5000.

Is Gregory Silva's NPI active?

Yes — Gregory Silva's NPI (1285786012) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Gregory Silva, OD

NPI 1285786012 · Optometrist · Antioch, CA

Gregory Silva, OD is a Optometrist provider in Antioch, CA (NPI 1285786012).

Provider details

NPI number: 1285786012
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Male
Sole proprietor: No
License: 5599T (CA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 5599T (CA)
Eye and Vision Services Providers

Profile Score

Detailed profile(90/100 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

3400 Delta Fair Blvd

Antioch, CA 94509-4004

Phone: (925) 779-5000

Street-level locationGet directions

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Mailing address