What is Diana Guaraca's NPI number?

Diana Guaraca's National Provider Identifier (NPI) is 1518836899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diana Guaraca's specialty?

Diana Guaraca is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).

Where is Diana Guaraca located?

Diana Guaraca's practice location on file with NPPES is 1850 Veterans Memorial Hwy, Islandia, NY 11749-1513.

What is Diana Guaraca's phone number?

The practice phone number listed in the NPPES registry for Diana Guaraca is (631) 851-1564.

Is Diana Guaraca's NPI active?

Yes — Diana Guaraca's NPI (1518836899) is active in the NPPES registry as of the last update on 2025-11-04.

IndividualActive

Diana Guaraca

NPI 1518836899 · Optician · Islandia, NY

Diana Guaraca is a Optician provider in Islandia, NY (NPI 1518836899).

Provider details

NPI number: 1518836899
Entity type: Individual
Primary specialty: OpticianEye and Vision Services Providers
Sex: Female
Sole proprietor: No
License: 01074901 (NY)

Specialties & taxonomies

OpticianPrimary156FX1800XLicense 01074901 (NY)
Eye and Vision Services Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1850 Veterans Memorial Hwy

Islandia, NY 11749-1513

Phone: (631) 851-1564

Fax: (631) 851-1688

Approximate (ZIP-level) locationGet directions

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Mailing address