Leonard Randazzo, O.D.
NPI 1508906868 · Optometrist · Norridge, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Randazzo, O.D. is a Optometrist provider in Norridge, IL (NPI 1508906868).
Provider details
- NPI number
- 1508906868
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 46008337 (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
19 yrs 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2017-09-13
Frequently asked questions
- What is Leonard Randazzo's NPI number?
- Leonard Randazzo's National Provider Identifier (NPI) is 1508906868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Randazzo's specialty?
- Leonard Randazzo is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Leonard Randazzo located?
- Leonard Randazzo's practice location on file with NPPES is 4135 N Harlem Ave, Norridge, IL 60706-1211.
- What is Leonard Randazzo's phone number?
- The practice phone number listed in the NPPES registry for Leonard Randazzo is (708) 457-1113.
- Does Leonard Randazzo accept Medicare?
- Leonard Randazzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Randazzo's NPI active?
- Yes — Leonard Randazzo's NPI (1508906868) is active in the NPPES registry as of the last update on 2017-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.