Calero and Associates Healthcare
NPI 1720250129 · Internal Medicine Physician · Oak Lawn, IL
Calero and Associates Healthcare is a Internal Medicine Physician organization in Oak Lawn, IL (NPI 1720250129).
Provider details
- NPI number
- 1720250129
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Eleazar Calero, Internal Medicine Doctor(708) 229-0667
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-03-26
- Last updated
- 2008-03-26
Frequently asked questions
- What is Calero and Associates Healthcare's NPI number?
- Calero and Associates Healthcare's National Provider Identifier (NPI) is 1720250129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Calero and Associates Healthcare?
- Calero and Associates Healthcare is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calero and Associates Healthcare located?
- Calero and Associates Healthcare's practice location on file with NPPES is 4712 W 103 Street, Oak Lawn, IL 60453.
- What is Calero and Associates Healthcare's phone number?
- The practice phone number listed in the NPPES registry for Calero and Associates Healthcare is (708) 229-0667.
- Who is the authorized official for Calero and Associates Healthcare?
- The authorized official listed on Calero and Associates Healthcare's NPPES record is Eleazar Calero, Internal Medicine Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Calero and Associates Healthcare's NPI active?
- Yes — Calero and Associates Healthcare's NPI (1720250129) is active in the NPPES registry as of the last update on 2008-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.