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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN JUNHAENG LEE M.D.
NPI 1336374297
Hospitalist in Evanston, IL

Active since May 21, 2009PECOS Enrolled
2650 RIDGE AVE, EVANSTON, IL 60201(847) 570-1010(847) 733-5108 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About John Junhaeng Lee M.d. NPPES

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

JOHN JUNHAENG LEE M.D. (NPI 1336374297) is an individual hospitalist provider in Evanston, Illinois, licensed in Illinois (036148119) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336374297
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameJOHN JUNHAENG LEECredential: M.D.
Location Address2650 RIDGE AVEEvanston, IL 60201-1700
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 570-5315
Phone(847) 570-1010
Fax(847) 733-5108
Sole ProprietorYes
Enumeration DateMay 21, 2009
Last NPPES UpdateOctober 16, 2026
NPPES CertifiedOctober 16, 2026
✔ NPI 1336374297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in IL · 036148119✔ Licensed in VA · 0101252536✔ Licensed in IN · 01073611
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036148119 (IL)
2650 RIDGE AVE, Evanston, IL 60201
Open in Google Maps ↗

Other Identifiers 2

Other000000868530IN · Bcbs
Medicaid201223200IN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Junhaeng Lee M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show John Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lutheran General Hospital
8.6 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210
Rockford Hospitalist Group, LLC
73 mi
Hospitalist
1401 E STATE ST
Rockford, IL 61104
  • Reassigned Medicare billing, Illinois enrollment
  • 69 clinicians in this Medicare group
NPI 1750088852 (779) 696-4400
Board Of Trustees Of Southern Illinois University
187 mi
Primary Care
520 N 4TH ST
Springfield, IL 62702
  • Reassigned Medicare billing, Illinois enrollment
  • 262 clinicians in this Medicare group
NPI 1396097960 (217) 757-8100

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. THOMAS LEE CIBULL M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Cook County (847) 570-2040
LAUREN ANDERSON MD
Hospitalist
2650 RIDGE AVE
EVANSTON, IL 60201
Cook County (847) 570-1027
DR. DANIEL K. WEST MD
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, DEPARTMENT OF RADIOLOGY, G507
EVANSTON, IL 60201
Cook County (847) 570-2475
JOEL BERNSTEIN M.D.
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Cook County (847) 570-1206
MATTHEW R. SHERWOOD MD
Internal Medicine
2650 RIDGE AVE, DIVISION OF INTERNAL MEDICINE RM 4324
EVANSTON, IL 60201
Cook County (847) 570-1010
MICHAEL T. GILLAM M.D.
Emergency Medicine
2650 RIDGE AVE, EMERGENCY MEDICINE RM G909
EVANSTON, IL 60201
Cook County (847) 570-2114
MARLENE ANGELICO CNP
Nurse Practitioner (Acute Care)
2650 RIDGE AVE, EMERGENCY MEDICINE, RM G903C
EVANSTON, IL 60201
Cook County (847) 570-1355
MINA KEROLOS MD
Hospitalist
2650 RIDGE AVE
EVANSTON, IL 60201
Cook County (847) 570-1010

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 John Lee's NPI number?

The NPI number for John Lee is 1336374297. It was assigned to this individual provider in the NPPES registry on May 21, 2009.

Where is John Lee located?

John Lee practices at 2650 Ridge Ave, Evanston, IL 60201. The listed phone number is (847) 570-1010.

What is John Lee's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is John Lee enrolled in Medicare?

Yes. John Lee is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Lee reassigns Medicare benefits to 3 organizations: Lutheran General Hospital (Park Ridge, IL), Rockford Hospitalist Group, LLC (Rockford, IL) and Board Of Trustees Of Southern Illinois University (Springfield, IL). Each 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 John Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Lee was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.