Maryann Deleon, MD
NPI 1982786091 · Pediatrics Physician · Highland Park, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryann Deleon, MD is a Pediatrics Physician provider in Highland Park, IL (NPI 1982786091).
Provider details
- NPI number
- 1982786091
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036098323 (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
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
- 2006-10-19
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Maryann Deleon's NPI number?
- Maryann Deleon's National Provider Identifier (NPI) is 1982786091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryann Deleon's specialty?
- Maryann Deleon is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Maryann Deleon located?
- Maryann Deleon's practice location on file with NPPES is 777 Park Ave W, Highland Park, IL 60035-2433.
- What is Maryann Deleon's phone number?
- The practice phone number listed in the NPPES registry for Maryann Deleon is (847) 480-2833.
- Does Maryann Deleon accept Medicare?
- Maryann Deleon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryann Deleon's NPI active?
- Yes — Maryann Deleon's NPI (1982786091) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.