Individual provider Active NPI

Michael Shun Yeen Yu, MD

  • Hospitalist Physician
  • Chicago, IL
National Provider Identifier
1255993291
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036175589 Issued in IL
Practice address
1500 S Fairfield Ave
Chicago, IL 60608-1782
Phone
(773) 542-2000
NPI assigned
Jun 30, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 108698 MT
Hospitalist Physician 208M00000X 036175589 IL Primary

Addresses

Primary practice location

1500 S Fairfield Ave
Chicago, IL 60608-1782

Mailing address

1101 26TH St S
Great Falls, MT 59405-5161
Phone (406) 731-8888

Other practice location 1

1101 26th St S
Great Falls, MT 59405-5161
Phone (406) 731-8888

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address myu18655@benefishs.direct-ci.com Benefis Hospitals Inc

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT, IL2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220505001154 MT Practitioner - Hospitalist 6507253887 Reassigns benefits to 1 organization
I20250702002367 IL Practitioner - Hospitalist 6507253887 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mount Sinai Community FoundationGroup PAC ID 5991600405, 247 clinicians

Practice addresses (Care Compare)

California Ave at 15TH St
Chicago, IL 60608-1858
Phone (773) 542-2000

Hospital & facility affiliations

  • Holy Cross Hospital Hospital, Chicago, IL, CCN 140133
  • Mt Sinai Hospital Medical Center Hospital, Chicago, IL, CCN 140018

Merit-based Incentive Payment System (MIPS)

Final score
82.99 of 100Reported as group
Quality
62.64
Promoting interoperability
100
Improvement activities
40
Cost
80.67

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036175589ILMDHospitalist Physician
108698MTMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Benefis Hospitals, Inc. CurrentSince May 1, 2022 Accepting new patients
Mount Sinai Community Foundation CurrentSince Jun 24, 2025 Accepting new patients
Benefis Hospitals Inc CurrentSince May 1, 2022 Accepting new patients
Mount Sinai Community Foundation CurrentSince Jun 24, 2025 Accepting new patients
Mount Sinai Hospital Past Accepting new patients

Locations

1501 S California Ave
Ste L1026
Chicago, IL 60608
Phone (773) 202-5760

1501 S California Ave
#7140
Chicago, IL 60608
Phone (773) 257-4758

26460 Network Pl
Chicago, IL 60673
Phone (708) 786-2900

1500 S Fairfield Ave
Chicago, IL 60608
Phone (773) 257-5701

1401 25th St S
Great Falls, MT 59405
Phone (406) 455-3650

1101 26th St S
Great Falls, MT 59405
Phone (406) 455-4690

1101 26th St S
Fl 5
Great Falls, MT 59405
Phone (406) 455-2132

Interoperability endpoints

  • Direct secure messaging: myu18655@benefishs.direct-ci.com

Organizations & group practices 5

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.

Hospital & facility affiliations 5

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": "1561852800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1255993291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1101 26TH ST S",
            "city": "GREAT FALLS",
            "state": "MT",
            "postal_code": "594055161",
            "telephone_number": "406-731-8888",
            "fax_number": "406-731-8318"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 S FAIRFIELD AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606081782",
            "telephone_number": "773-542-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1101 26th St S",
            "address_purpose": "LOCATION",
            "city": "Great Falls",
            "state": "MT",
            "postal_code": "594055161",
            "country_code": "US",
            "telephone_number": "406-731-8888",
            "fax_number": "406-731-8318",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YU",
        "first_name": "MICHAEL",
        "middle_name": "SHUN YEEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-30",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MT",
            "license": "108698",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036175589",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "myu18655@benefishs.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "Benefis Hospitals Inc",
            "address_1": "1101 26th St S",
            "city": "Great Falls",
            "state": "MT",
            "country_code": "US",
            "postal_code": "594055161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.