CHEN CHEN MD
NPI 1356997589
Internal Medicine in Chicago, IL

Q: What is Chen Chen's NPI number?

The NPI number for Chen Chen is 1356997589. It was assigned to this individual provider in the NPPES registry on August 13, 2019.

Q: What is Chen Chen'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 Chen Chen was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 August 13, 2019PECOS Enrolled

251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2026, Jun 16, 2023, Aug 13, 2019 (3 updates tracked since 2019).

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About Chen Chen Md NPPES

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

CHEN CHEN MD (NPI 1356997589) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.082698) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Northwestern University Feinberg Medical School (2023).

NPPES Registry Identity

NPI1356997589

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameCHEN CHENCredential: MD

Location Address251 E HURON STChicago, IL 60611-2908

Mailing Address240 E Huron St Ste 1-200Chicago, IL 60611-2909 · (312) 503-7975

Phone(312) 926-2000

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2023

Enumeration DateAugust 13, 2019

Last NPPES UpdateMay 29, 20263 updates tracked since enumeration

NPPES CertifiedMay 29, 2026

✔ NPI 1356997589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in IL · 125.082698✔ Licensed in IL · 036177488

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

251 E HURON ST, Chicago, IL 60611

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Secondary Practice Location 1

Location 1675 N Saint Clair St Ste 18-200Chicago, IL 60611-5929 · Phone (312) 695-8630 · Fax (312) 695-2857

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chen Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537528153

PECOS Enrollment IDI20260608001143

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 Chen Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation

34 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

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

$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.

MARK WANG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611

Cook County (312) 503-8144

DR. MARLEY ANN DOYLE M/D.

Psychiatry & Neurology (Psychiatry)

251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611

Cook County (312) 926-6895

CASSIDY SCHWAB MD

Anesthesiology