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SIMON LEE M.D.
NPI 1639466956
Pediatrics - Pediatric Cardiology in Chicago, IL

Active since July 07, 2011PECOS EnrolledAccepts Medicare Assignment
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-4000 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2026, Feb 11, 2022, Jul 9, 2018 and 1 more (4 updates tracked since 2018).

About Simon Lee M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIMON LEE M.D. (NPI 1639466956) is an individual pediatric cardiology provider in Chicago, Illinois, licensed in Illinois (036140581) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains 27 additional practice locations.

NPPES Registry Identity

NPI1639466956
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameSIMON LEECredential: M.D.
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago AveChicago, IL 60611-2991 · (312) 227-4000
Phone(312) 227-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 7, 2011
Last NPPES UpdateAugust 5, 20264 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1639466956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in IL · 036140581
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
225 E CHICAGO AVE, Chicago, IL 60611
Open in Google Maps ↗

Secondary Practice Locations 27

Location 11818 Chapel DrFindlay, OH 45840-1335 · Phone (614) 722-2555
Location 21895 Arbor Glen BlvdSchaumburg, IL 60195-3114 · Phone (312) 227-4100
Location 32515 N Clark St Ste 900Chicago, IL 60614-2730 · Phone (312) 227-4100
Location 4700 Childrens DrColumbus, OH 43205 · Phone (614) 722-2000 · Fax (614) 722-4565
Location 5716 Adair AveZanesville, OH 43701-2836 · Phone (614) 722-2555
Location 6416 Front StMarietta, OH 45750-2124 · Phone (614) 722-2555
Location 7955 Bethesda DrZanesville, OH 43701-1873 · Phone (614) 722-2555
Location 85665 Venture DrDublin, OH 43017-2159 · Phone (614) 355-8480
Location 91069 Delaware AveMarion, OH 43302-1400 · Phone (740) 387-7777
Location 104439 State Route 159 Ste G10Chillicothe, OH 45601-7708 · Phone (614) 722-2555
Location 1111 John Lloyd Evans Memorial DrNelsonville, OH 45764-2523 · Phone (614) 722-2555
Location 12536 S Trimble RdMansfield, OH 44906-3418 · Phone (614) 722-2555
Location 13830 W High StLima, OH 45801-3971 · Phone (419) 226-9694
Location 14335 Glessner Ave Fl 3Mansfield, OH 44903-2269 · Phone (614) 722-2555
Location 157853 Pacer DrDelaware, OH 43015-7571 · Phone (614) 722-2555
Location 16455 Executive Campus DrWesterville, OH 43082-8870 · Phone (614) 722-2555
Location 177901 Diley RdCanal Winchester, OH 43110-9612 · Phone (614) 355-9050
Location 18250 E Superior StChicago, IL 60611-2914 · Phone (312) 227-4100
Location 191475 E Belvidere Rd, Pavilion C, Suite 285Grayslake, IL 60030 · Phone (312) 227-4100
Location 2010350 Haligus Rd Ste 110Huntley, IL 60142-9526 · Phone (312) 227-4100
Location 212301 Enterprise DrWestchester, IL 60154-5802 · Phone (312) 227-4100
Location 221870 Silver Cross Blvd Ste 210New Lenox, IL 60451-8646 · Phone (312) 227-4100
Location 231131 Techny RdNorthbrook, IL 60062-5503 · Phone (312) 227-4100
Location 243722 Touhy AveSkokie, IL 60076-3941 · Phone (312) 227-4100
Location 25900 N Westmoreland Rd Ste 110Lake Forest, IL 60045-1688 · Phone (312) 227-4100
Location 26880 W Central Rd Ste 6400Arlington Heights, IL 60005-2378 · Phone (312) 227-4100
Location 2725 N Winfield RdWinfield, IL 60190-1379 · Phone (312) 227-4100

Other Identifiers 2

Medicaid036140581IL
Medicaid0282823OH

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Simon Lee M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981972015
PECOS Enrollment IDI20170614001692
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Simon Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lurie Children's Medical Group Inc
Same address
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly
OwnershipVoluntary non-profit - Private
CMS Certification Number143300
Location225 E Chicago Ave, Box 140Chicago, IL 60611 · Cook County
Emergency services

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BESSEY ELIZABETH JOSE GEEVARGHESE DO
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (630) 933-6631
CHRISTINA SOOJIN KIM M.D.
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (443) 928-7458
JESSICA LAUREN OFFENBACH APN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
MS. JENNY KO LEE APN
Nurse Practitioner (Neonatal)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (847) 962-6268
ERIN COHEN MD
Pediatrics (Hospice and Palliative Medicine)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
DR. JOSEPH HART COLLINS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-3550
ALEXIS LYN HARMON
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
SHANNON JULIA CONWAY MD
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Simon Lee's NPI number?

The NPI number for Simon Lee is 1639466956. It was assigned to this individual provider in the NPPES registry on July 7, 2011.

Where is Simon Lee located?

Simon Lee practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-4000.

What is Simon Lee's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Simon Lee enrolled in Medicare?

Yes. Simon Lee is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Simon Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Simon Lee reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Simon Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Simon Lee affiliated with any hospitals?

According to CMS data, Simon Lee is affiliated with Northwestern Medicine Central Dupage Hospital and Ann & Robert H Lurie Childrens Hospital Of Chicago.

When was this NPI record last updated?

The NPPES record for Simon Lee was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.