Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

AENASHA MILAN CHAG
NPI 1255262952
Internal Medicine in Chicago, IL

Q: What is Aenasha Milan Chag's NPI number?

The NPI number for Aenasha Milan Chag is 1255262952. It was assigned to this individual provider in the NPPES registry on May 29, 2026.

Q: What is Aenasha Milan Chag's specialty?

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

Active since May 29, 2026

1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record added: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Aenasha Milan Chag NPPES

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

AENASHA MILAN CHAG (NPI 1255262952) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.087885) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1255262952

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameAENASHA MILAN CHAG

Location Address1901 W HARRISON STChicago, IL 60612-3714

Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-6000

Phone(312) 864-6000

Sole ProprietorNo

Enumeration DateMay 29, 2026

NPPES CertifiedMay 29, 2026

✔ NPI 1255262952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125.087885

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.

1901 W HARRISON ST, Chicago, IL 60612

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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.

JOHANNA WEFES-POTTER

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (847) 843-2000

ARON BERHANU GUDETTA MD

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

DR. LIGAYA VILLAFRANCA MARASIGAN M.D.

Obstetrics & Gynecology (Gynecology)

1901 W HARRISON ST
CHICAG, IL 60612

Cook County (312) 864-5901

TIN TIN THOMAS M.D.

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

COOK COUNTY

Pharmacy (Clinic Pharmacy)

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6189

HELEN ELIZABETH STRAUS MD

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-0060

MR. GLEN DERRICK TRAMMELL PA-C

Physician Assistant

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 869-7488

JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY

General Acute Care Hospital

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 319-2085

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 Aenasha Milan Chag's NPI number?

The NPI number for Aenasha Milan Chag is 1255262952. It was assigned to this individual provider in the NPPES registry on May 29, 2026.

Where is Aenasha Milan Chag located?

Aenasha Milan Chag practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Aenasha Milan Chag's specialty?

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

When was this NPI record last updated?

The NPPES record for Aenasha Milan Chag 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 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.