Renato Fontanilla, MD
NPI 1285635995 · Neonatal-Perinatal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Renato Fontanilla, MD is a Neonatal-Perinatal Medicine Physician provider in Chicago, IL (NPI 1285635995).
Provider details
- NPI number
- 1285635995
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-095712 (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
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 3815 Highland AveDowners Grove, IL 60515-1500Phone: (630) 275-4495Fax: (630) 275-2028
Registry dates
- Enumerated
- 2005-08-03
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Renato Fontanilla's NPI number?
- Renato Fontanilla's National Provider Identifier (NPI) is 1285635995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Renato Fontanilla's specialty?
- Renato Fontanilla is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Renato Fontanilla located?
- Renato Fontanilla's practice location on file with NPPES is 2300 N Childrens Plz # 152, Chicago, IL 60614-3363.
- What is Renato Fontanilla's phone number?
- The practice phone number listed in the NPPES registry for Renato Fontanilla is (773) 880-6903.
- Does Renato Fontanilla accept Medicare?
- Renato Fontanilla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Renato Fontanilla's NPI active?
- Yes — Renato Fontanilla's NPI (1285635995) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.