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LAN JIANG MD
NPI 1144807850
Pediatrics in Chicago, IL

Active since March 27, 2021PECOS Enrolled
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-1558(312) 227-9758 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Lan Jiang Md NPPES

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

LAN JIANG MD (NPI 1144807850) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036175405) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144807850
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameLAN JIANGCredential: MD
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago Ave # 45Chicago, IL 60611-2991 · (312) 227-1558
Phone(312) 227-1558
Fax(312) 227-9758
Sole ProprietorNo
Enumeration DateMarch 27, 2021
Last NPPES UpdateAugust 26, 2025
NPPES CertifiedAugust 26, 2025
✔ NPI 1144807850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036175405
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Neonatal-Perinatal MedicineTaxonomy 2080N0001X · License 036175405 (IL)
225 E CHICAGO AVE, Chicago, IL 60611
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lan Jiang Md 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 Reassignment

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

Montefiore Medical Center
713 mi
Family Medicine
2633 BROADWAY
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1760288278 (888) 663-6331

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 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

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 Lan Jiang's NPI number?

The NPI number for Lan Jiang is 1144807850. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Lan Jiang located?

Lan Jiang practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-1558.

What is Lan Jiang's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Lan Jiang enrolled in Medicare?

Yes. Lan Jiang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lan Jiang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lan Jiang reassigns Medicare benefits to Montefiore Medical Center (New York, NY). 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 Lan Jiang'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 Lan Jiang was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.