Giacomo Cilliani, OD
NPI 1992674253 · Optometrist · Antioch, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
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)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
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
Mailing address
Registry dates
- 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.