What is Giacomo Cilliani's NPI number?

Giacomo Cilliani's National Provider Identifier (NPI) is 1992674253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Giacomo Cilliani's specialty?

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

Where is Giacomo Cilliani located?

Giacomo Cilliani's practice location on file with NPPES is 554 Il-173, Antioch, IL 60002.

What is Giacomo Cilliani's phone number?

The practice phone number listed in the NPPES registry for Giacomo Cilliani is (224) 603-7150.

Does Giacomo Cilliani accept Medicare?

Giacomo Cilliani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Giacomo Cilliani's NPI active?

Yes — Giacomo Cilliani's NPI (1992674253) is active in the NPPES registry as of the last update on 2026-02-17.

IndividualActiveAccepts Medicare

Giacomo Cilliani, OD

NPI 1992674253 · Optometrist · Antioch, IL

Giacomo Cilliani, OD is a Optometrist provider in Antioch, IL (NPI 1992674253).

Provider details

NPI number: 1992674253
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Male
Sole proprietor: No
License: 046.012047 (IL)

Practice location

554 Il-173

Antioch, IL 60002

Phone: (224) 603-7150

Fax: (847) 426-0299

Street-level locationGet directions

More IL providers

Mailing address

759 W Happfield Dr

Arlington Heights, IL 60004-7139

Specialties & taxonomies

OptometristPrimary152W00000XLicense 046.012047 (IL)
Eye and Vision Services Providers

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

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
1 yr 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.

Enumerated: 2025-11-04
Last updated: 2026-02-17
Certified: 2026-02-17

Frequently asked questions

What is Giacomo Cilliani's NPI number?: Giacomo Cilliani's National Provider Identifier (NPI) is 1992674253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Giacomo Cilliani's specialty?: Giacomo Cilliani is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
Where is Giacomo Cilliani located?: Giacomo Cilliani's practice location on file with NPPES is 554 Il-173, Antioch, IL 60002.
What is Giacomo Cilliani's phone number?: The practice phone number listed in the NPPES registry for Giacomo Cilliani is (224) 603-7150.
Does Giacomo Cilliani accept Medicare?: Giacomo Cilliani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Giacomo Cilliani's NPI active?: Yes — Giacomo Cilliani's NPI (1992674253) is active in the NPPES registry as of the last update on 2026-02-17.

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

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions