Simon Lee, M.D.
NPI 1639466956 · Pediatric Cardiology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simon Lee, M.D. is a Pediatric Cardiology Physician provider in Chicago, IL (NPI 1639466956).
Provider details
- NPI number
- 1639466956
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036140581 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
28 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 (27)
- 880 W Central Rd Ste 6400Arlington Heights, IL 60005-2378Phone: (312) 227-4100
- 2515 N Clark St Ste 900Chicago, IL 60614-2730Phone: (312) 227-4100
- 250 E Superior StChicago, IL 60611-2914Phone: (312) 227-4100
- 1475 E Belvidere Rd, Pavilion CSuite 285Grayslake, IL 60030Phone: (312) 227-4100
- 10350 Haligus Rd Ste 110Huntley, IL 60142-9526Phone: (312) 227-4100
- 900 N Westmoreland Rd Ste 110Lake Forest, IL 60045-1688Phone: (312) 227-4100
- 1870 Silver Cross Blvd Ste 210New Lenox, IL 60451-8646Phone: (312) 227-4100
- 1131 Techny RdNorthbrook, IL 60062-5503Phone: (312) 227-4100
- 1895 Arbor Glen BlvdSchaumburg, IL 60195-3114Phone: (312) 227-4100
Registry dates
- Enumerated
- 2011-07-07
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Simon Lee's NPI number?
- Simon Lee's National Provider Identifier (NPI) is 1639466956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Lee's specialty?
- Simon Lee is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Simon Lee located?
- Simon Lee's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
- What is Simon Lee's phone number?
- The practice phone number listed in the NPPES registry for Simon Lee is (312) 227-4000.
- Does Simon Lee accept Medicare?
- Simon Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simon Lee's NPI active?
- Yes — Simon Lee's NPI (1639466956) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.