What is Cynthia Hamblin's NPI number?

Cynthia Hamblin's National Provider Identifier (NPI) is 1639602527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cynthia Hamblin's specialty?

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

Where is Cynthia Hamblin located?

Cynthia Hamblin's practice location on file with NPPES is 4051 Lone Tree Way, Antioch, CA 94531-6204.

What is Cynthia Hamblin's phone number?

The practice phone number listed in the NPPES registry for Cynthia Hamblin is (925) 757-7676.

Is Cynthia Hamblin's NPI active?

Yes — Cynthia Hamblin's NPI (1639602527) is active in the NPPES registry as of the last update on 2017-04-06.

IndividualActive

Cynthia Hamblin, OD

NPI 1639602527 · Optometrist · Antioch, CA

Cynthia Hamblin, OD is a Optometrist provider in Antioch, CA (NPI 1639602527).

Provider details

NPI number: 1639602527
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Female
Sole proprietor: Yes
License: 9260T (CA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 9260T (CA)
Eye and Vision Services Providers

Profile Score

Established profile(70/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
9 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

4051 Lone Tree Way

Suite E

Antioch, CA 94531-6204

Phone: (925) 757-7676

Fax: (925) 757-0652

Street-level locationGet directions

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Mailing address