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Ellen Wu

Dermatology β€’ Chicago, IL

Active NPI 1104309459 Individual Practitioner Female Practitioner
Practice location in NPPES

240 E Huron St Ste 1-200
Chicago, IL 606112909

Call 3125037975 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

240 E Huron St Ste 1-200

Chicago, IL 606112909

Telephone 3125037975
Organization at the Same NPPES Address or Phone
Mcgaw Medical Center Of Northwestern University Facility NPI 1043630098

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019–2025.

Guide: How to read an Open Payments record

NPI first issued

2018

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Ellen Wu has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Ellen Wu as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Chicago and Illinois

233 active clinicians are listed under Dermatology with a practice address in Chicago, IL (647 in Illinois).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Chicago

10.3% of these 233 clinicians have the CMS telehealth indicator.

54.9% of these 233 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-07-27
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

License # reported to NPPES NY 344756

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Illinois Department of Financial and Professional Regulation.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

ORDER AND REFERRING ONLY - DERMATOLOGY

Medicare Enrollment ID

I20230607002486

Enrollment State Jurisdiction

IL

PECOS Control ID

7517324452

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

3 listed
NPI 1023436953

Doctor of Medicine (M.D.)

NPI 1023630399

Doctor of Osteopathic Medicine (D.O.), Master of Science

Michael Yarrington

Internal Medicine - Infectious Disease

NPI 1013334952

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

7 Historical Events
πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 27, 2026

Dermatology (license number reported to NPPES: NY 344756)

βœ…
NPI Profile Active September 12, 2018

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) September 12, 2018

Registered at 240 E HURON ST STE 1-200, CHICAGO, IL 606112909 (Tel: 3125037975)

πŸ“
Business Mailing Address (Initial Record) September 12, 2018

Registered at 240 E HURON ST STE 1-200, CHICAGO, IL 606112909

πŸ‘€
Provider Name / Credentials (Initial Record) September 12, 2018

Recorded as ELLEN WU

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) September 12, 2018

Student in an Organized Health Care Education/Training Program

🟒
Initial NPI Registration & Enumeration September 12, 2018

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1104309459
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 12, 2018
Last Update: July 27, 2026
Sole Proprietor: Yes

Other Dermatology Specialists in Chicago

All Dermatology Specialists in Chicago

Mailing Address

240 E Huron St Ste 1-200

Chicago, IL 606112909

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.