IndividualActive
Louis Antonacci, D.D.S
NPI 1245274893 · General Practice Dentistry · Rockford, IL
Louis Antonacci, D.D.S is a General Practice Dentistry provider in Rockford, IL (NPI 1245274893).
Provider details
- NPI number
- 1245274893
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S
- Sex
- Male
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
5301 E State St
Suite 307a
Rockford, IL 61108-2901
Phone: (815) 398-0191
Fax: (815) 398-0149
Street-level locationGet directions
Mailing address
519 Sawgrass Ln
Hampshire, IL 60140-9678
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Louis Antonacci's NPI number?
- Louis Antonacci's National Provider Identifier (NPI) is 1245274893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Antonacci's specialty?
- Louis Antonacci is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Louis Antonacci located?
- Louis Antonacci's practice location on file with NPPES is 5301 E State St, Rockford, IL 61108-2901.
- What is Louis Antonacci's phone number?
- The practice phone number listed in the NPPES registry for Louis Antonacci is (815) 398-0191.
- Is Louis Antonacci's NPI active?
- Yes — Louis Antonacci's NPI (1245274893) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.