Stephen Gan, MD
NPI 1811491525 · Pediatric Critical Care Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Gan, MD is a Pediatric Critical Care Medicine Physician provider in Chicago, IL (NPI 1811491525).
Provider details
- NPI number
- 1811491525
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C7-0006775 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-03-19
- Last updated
- 2024-09-11
- Certified
- 2024-09-11
Frequently asked questions
- What is Stephen Gan's NPI number?
- Stephen Gan's National Provider Identifier (NPI) is 1811491525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Gan's specialty?
- Stephen Gan is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Gan located?
- Stephen Gan's practice location on file with NPPES is 5841 S Maryland Ave # 1145, Chicago, IL 60637-1443.
- What is Stephen Gan's phone number?
- The practice phone number listed in the NPPES registry for Stephen Gan is (773) 702-1000.
- Does Stephen Gan accept Medicare?
- Stephen Gan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Gan's NPI active?
- Yes — Stephen Gan's NPI (1811491525) is active in the NPPES registry as of the last update on 2024-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.