What is Iliana Alvarado-Diaz's NPI number?

Iliana Alvarado-Diaz's National Provider Identifier (NPI) is 1972834547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Iliana Alvarado-Diaz's specialty?

Iliana Alvarado-Diaz is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Iliana Alvarado-Diaz located?

Iliana Alvarado-Diaz's practice location on file with NPPES is 250 Calle Cruz Ortiz Stella Ste 11, Humacao, PR 00791-4144.

What is Iliana Alvarado-Diaz's phone number?

The practice phone number listed in the NPPES registry for Iliana Alvarado-Diaz is (939) 428-1140.

Does Iliana Alvarado-Diaz accept Medicare?

Iliana Alvarado-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Iliana Alvarado-Diaz's NPI active?

Yes — Iliana Alvarado-Diaz's NPI (1972834547) is active in the NPPES registry as of the last update on 2022-07-21.

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Iliana Alvarado-Diaz, O.D.

NPI 1972834547 · Optometrist · Humacao, PR

Iliana Alvarado-Diaz, O.D. is a Optometrist provider in Humacao, PR (NPI 1972834547).

Provider details

NPI number: 1972834547
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Female
Sole proprietor: Yes
License: 674 (PR)

Practice location

250 Calle Cruz Ortiz Stella Ste 11

Humacao, PR 00791-4144

Phone: (939) 428-1140

Fax: (877) 496-5503

More PR providers

Mailing address

250 Calle Cruz Ortiz Stella Ste 11

Humacao, PR 00791-4144

Specialties & taxonomies

OptometristPrimary152W00000XLicense 674 (PR)
Eye and Vision Services Providers

Additional practice locations (1)

615 Carr 152 Ste 3
Naranjito, PR 00719-3809
Phone: (939) 319-7007
Fax: (877) 496-5503

Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
16 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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.

Enumerated: 2010-01-21
Last updated: 2022-07-21
Certified: 2022-07-21

Frequently asked questions

What is Iliana Alvarado-Diaz's NPI number?: Iliana Alvarado-Diaz's National Provider Identifier (NPI) is 1972834547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Iliana Alvarado-Diaz's specialty?: Iliana Alvarado-Diaz is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
Where is Iliana Alvarado-Diaz located?: Iliana Alvarado-Diaz's practice location on file with NPPES is 250 Calle Cruz Ortiz Stella Ste 11, Humacao, PR 00791-4144.
What is Iliana Alvarado-Diaz's phone number?: The practice phone number listed in the NPPES registry for Iliana Alvarado-Diaz is (939) 428-1140.
Does Iliana Alvarado-Diaz accept Medicare?: Iliana Alvarado-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Iliana Alvarado-Diaz's NPI active?: Yes — Iliana Alvarado-Diaz's NPI (1972834547) is active in the NPPES registry as of the last update on 2022-07-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (1)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (1)

Profile Score

Frequently asked questions