LEAH YUAN MD
NPI 1205579661
Internal Medicine in Chicago, IL

Q: What is Leah Yuan's NPI number?

The NPI number for Leah Yuan is 1205579661. It was assigned to this individual provider in the NPPES registry on April 14, 2022.

Q: What is Leah Yuan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Leah Yuan was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since April 14, 2022PECOS EnrolledAccepts Medicare Assignment

5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-1856 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 10, 2022, Apr 14, 2022 (2 updates tracked since 2022).

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About Leah Yuan Md NPPES

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

LEAH YUAN MD (NPI 1205579661) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125079570) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of Boston University School Of Medicine (2022).

NPPES Registry Identity

NPI1205579661

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameLEAH YUANCredential: MD

Location Address5841 S MARYLAND AVEChicago, IL 60637-1443

Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150

Phone(773) 702-1856

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 2022

Enumeration DateApril 14, 2022

Last NPPES UpdateJune 17, 20262 updates tracked since enumeration

NPPES CertifiedJune 17, 2026

✔ NPI 1205579661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125079570

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

5841 S MARYLAND AVE, Chicago, IL 60637

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Leah Yuan Md 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 ID4385027622

PECOS Enrollment IDI20250903002580

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.

Hospital Affiliations CMS Care Compare

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

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number140124

Location1901 W Harrison StChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 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. DON MARTINEZ M.D.

Radiology (Diagnostic Radiology)