Individual provider Active NPI

Chen Chen, MD

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1356997589
Registry record updated May 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
125.082698 Issued in IL
Practice address
251 E Huron St
Chicago, IL 60611-2908
Phone
(312) 926-2000
NPI assigned
Aug 13, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 29, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036177488 IL
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 125.082698 IL Primary

Addresses

Primary practice location

251 E Huron St
Chicago, IL 60611-2908

Mailing address

240 E Huron St Ste 1-200
Chicago, IL 60611-2909
Phone (312) 503-7975

Other practice location 1

675 N Saint Clair St Ste 18-200
Chicago, IL 60611-5929
Phone (312) 695-8630

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260608001143 IL Practitioner - Internal Medicine 9537528153 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Northwestern University Feinberg Medical School, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

5777 Dept
Carol Stream, IL 60122-0021

675 N Saint Clair St
Suite 18 200
Chicago, IL 60611-5929

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036177488ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Jun 1, 2026 Accepting new patients
Northwestern Medical Faculty Foundation PastSince Jun 1, 2026 Accepting new patients

Locations

675 N Saint Clair St
Ste 18-200
Chicago, IL 60611
Phone (312) 695-4525

251 E Huron St
Chicago, IL 60611

Interoperability endpoints

  • Direct secure messaging: chen.chen.1@3547.direct.athenahealth.com

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1565654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1356997589",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "240 E HURON ST STE 1-200",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112909",
            "telephone_number": "312-503-7975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-926-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "675 N Saint Clair St Ste 18-200",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606115929",
            "country_code": "US",
            "telephone_number": "312-695-8630",
            "fax_number": "312-695-2857",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "CHEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-13",
        "last_updated": "2026-05-29",
        "certification_date": "2026-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036177488",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.082698",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.