Maria Irene Victoria Onagan, M.D.
NPI 1689871212 · Pediatrics Physician · Joliet, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Irene Victoria Onagan, M.D. is a Pediatrics Physician provider in Joliet, IL (NPI 1689871212).
Provider details
- NPI number
- 1689871212
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036.126265 (IL)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 831 N Larkin AveJoliet, IL 60435-3460Phone: (815) 741-8888Fax: (815) 730-3323
- 301 Madison St Ste 210Joliet, IL 60435-7055Phone: (815) 725-4579Fax: (815) 725-0007
- 410 E Lincoln Hwy Ste 251New Lenox, IL 60451-1976Phone: (815) 485-2541
Registry dates
- Enumerated
- 2007-06-28
- Last updated
- 2025-10-03
- Certified
- 2025-10-03
Frequently asked questions
- What is Maria Irene Victoria Onagan's NPI number?
- Maria Irene Victoria Onagan's National Provider Identifier (NPI) is 1689871212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Irene Victoria Onagan's specialty?
- Maria Irene Victoria Onagan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Irene Victoria Onagan located?
- Maria Irene Victoria Onagan's practice location on file with NPPES is 2100 Glenwood Ave Ste 100-112, Joliet, IL 60435-5487.
- What is Maria Irene Victoria Onagan's phone number?
- The practice phone number listed in the NPPES registry for Maria Irene Victoria Onagan is (815) 514-2040.
- Does Maria Irene Victoria Onagan accept Medicare?
- Maria Irene Victoria Onagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Irene Victoria Onagan's NPI active?
- Yes — Maria Irene Victoria Onagan's NPI (1689871212) is active in the NPPES registry as of the last update on 2025-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.