Stefano Guandalini, M.D,
NPI 1679603302 · Pediatric Gastroenterology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stefano Guandalini, M.D, is a Pediatric Gastroenterology Physician provider in Chicago, IL (NPI 1679603302).
Provider details
- NPI number
- 1679603302
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- No
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
83% 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
- 2007-03-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stefano Guandalini's NPI number?
- Stefano Guandalini's National Provider Identifier (NPI) is 1679603302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stefano Guandalini's specialty?
- Stefano Guandalini is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stefano Guandalini located?
- Stefano Guandalini's practice location on file with NPPES is University of Chicago, Section of Peds Gastro, Chicago, IL 60637-1470.
- What is Stefano Guandalini's phone number?
- The practice phone number listed in the NPPES registry for Stefano Guandalini is (773) 702-6418.
- Does Stefano Guandalini accept Medicare?
- Stefano Guandalini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stefano Guandalini's NPI active?
- Yes — Stefano Guandalini's NPI (1679603302) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.