NPIMap

Individual provider Active NPI

Youshay Humayun, M.D.

  • Hospitalist Physician
  • Chicago, IL
National Provider Identifier
1093010423
Registry record updated Jun 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036128668 Issued in IL
Practice address
5140 N California Ave
Suite 700
Chicago, IL 60625
Phone
(773) 784-2101
NPI assigned
Jan 15, 2011
Last updated
Jun 5, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 5, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125054777 IL
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 036128668 IL
Nephrology Physician 207RN0300X 036128668 IL
Hospitalist Physician 208M00000X 036128668 IL Primary

Addresses

Primary practice location

5140 N California Ave
Suite 700
Chicago, IL 60625

Mailing address

5140 N California Ave
Suite 700
Chicago, IL 60625-3645
Phone (773) 784-2101

Other practice location 1

5145 N California Ave
Chicago, IL 60625-3687
Phone (177) 387-8820

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140218001193 IL Practitioner - HospitalistPractitioner - NephrologyPractitioner - Internal Medicine 6709015621 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Nephrology
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Humayun S S CGroup PAC ID 9537077037, 6 clinicians

Practice addresses (Care Compare)

5140 N California Ave
Suite 700
Chicago, IL 60625-3657
Phone (773) 784-2101

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
125054777ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Community First Healthcare of Illinois, Inc. CurrentSince Jun 19, 2018 Accepting new patients
Insight Chicago, Inc. CurrentSince Jun 1, 2021 Accepting new patients
Swedish Covenant Management Services, Inc. CurrentSince Jun 25, 2018 Accepting new patients
Humayun S S C Nephrology CurrentSince Feb 1, 2014 Accepting new patients
Swedish Covenant Management Services, Inc. Internal Medicine Current Accepting new patients
Community First Healthcare of Illinois, Inc. Current Accepting new patients
Insight Chicago, Inc. Internal Medicine CurrentSince Jun 1, 2021 Accepting new patients
Swedish Covenant Management Services, Inc CurrentSince Jun 25, 2018 Accepting new patients
Community First Healthcare of Illinois, Inc. Internal Medicine CurrentSince Jun 19, 2018 Accepting new patients

Locations

2525 S Michigan Ave
Chicago, IL 60616
Phone (312) 355-1153

2740 W Foster Ave
Ste 105
Chicago, IL 60625
Phone (773) 784-2101

5140 N California Ave
Ste 700
Chicago, IL 60625
Phone (773) 784-2101

5140 N California Ave
Ste 780
Chicago, IL 60625
Phone (773) 784-5140

5145 N California Ave
Chicago, IL 60625
Phone (773) 989-3800

5645 W Addison St
Chicago, IL 60634
Phone (773) 282-7000

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/AHIDAD
  • Direct secure messaging: yhumayun98405@direct.rush.rush-health.com

Organizations & group practices 10

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

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1295049600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1093010423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5140 N CALIFORNIA AVE",
            "address_2": "SUITE 700",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606253645",
            "telephone_number": "773-784-2101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5140 N CALIFORNIA AVE",
            "address_2": "SUITE 700",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60625",
            "telephone_number": "773-784-2101"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5145 N California Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606253687",
            "country_code": "US",
            "telephone_number": "177-387-8820",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HUMAYUN",
        "first_name": "YOUSHAY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-01-15",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125054777",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036128668",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IL",
            "license": "036128668",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036128668",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.