Individual provider Active NPI

Yaser Rasmi Mustafa, MD

  • Hospitalist Physician
  • Dekalb, IL
National Provider Identifier
1992217178
Registry record updated Oct 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036157152 Issued in IL
Practice address
1 Kish Hospital Dr
Dekalb, IL 60115-9602
Phone
(815) 756-1521
Fax
(815) 748-5789
NPI assigned
Oct 28, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 24, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 71353-20 WI
General Practice Physician 208D00000X 2017033642 MO
Hospitalist Physician 208M00000X 036157152 IL Primary
Family Medicine Physician 207Q00000X 036157152 IL

Addresses

Primary practice location

1 Kish Hospital Dr
Dekalb, IL 60115-9602

Mailing address

1 Kish Hospital Dr
Dekalb, IL 60115-9602
Phone (815) 756-1521

Other practice location 1

1302 N Main St
Sandwich, IL 60548-2587
Phone (815) 786-8484

Other identifiers 1

IdentifierTypeStateIssuer
1992217178MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other
Direct Messaging Address ymustafa526225@direct-ehr-ssmhc.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20190909002520 WI Practitioner - Family PracticePractitioner - General PracticePractitioner - Emergency Medicine 1355670845 Reassigns benefits to 2 organizations
I20200327000327 IL Practitioner - HospitalistPractitioner - Family Practice 1355670845 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Family Practice
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Central Dupage Physician GroupGroup PAC ID 5890696231, 1,087 clinicians
Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians
Mercy Health System CorporationGroup PAC ID 7416860440, 749 clinicians

Practice addresses (Care Compare)

1 Kish Hospital Dr
Dekalb, IL 60115-9602
Phone (815) 756-1521

1821 S Stoughton Rd
Madison, WI 53716-2257
Phone (608) 260-6000

N2950 State Rd
Suite 67
Lake Geneva, WI 53147-2655
Phone (262) 245-0535

Hospital & facility affiliations

  • Northwestern Medicine Kishwaukee Hospital Hospital, Dekalb, IL, CCN 140286
  • Mercy Walworth Hospital & Medical Center Hospital, Lake Geneva, WI, CCN 521357
  • Valley West Community Hospital Hospital, Sandwich, IL, CCN 141340
  • SSM Health St Mary'S Hospital - Janesville Hospital, Janesville, WI, CCN 520208

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
71353-20WIMDEmergency Medicine Physician
2017033642MOMDGeneral Practice Physician
036157152ILMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Central Dupage Physician Group Family Medicine CurrentSince Sep 1, 2025 Accepting new patients
Dean Health Systems, Inc. CurrentSince Dec 10, 2024 Accepting new patients
Mercy Health System Corporation Current Accepting new patients
Dean Health Systems, Inc Emergency Medicine CurrentSince Dec 10, 2024 Accepting new patients
Rockford Health Physicians CurrentSince Jul 1, 2021 Accepting new patients
Central Dupage Physician Group CurrentSince Sep 1, 2025 Accepting new patients

Locations

500 W Il Route 22
Barrington, IL 60010
Phone (847) 381-3000

Carol Stream, IL 60122
Phone (630) 933-3300

Dept 5777
Carol Stream, IL 60122

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

1 Kish Hospital Dr
DeKalb, IL 60115
Phone (815) 754-1521

348 S Division St
Harvard, IL 60033
Phone (815) 943-1122

2300 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-5510

8201 E Riverside Blvd
Rockford, IL 61114
Phone (815) 971-4066

3401 N Perryville Rd
Rockford, IL 61114

1302 N Main St
Sandwich, IL 60548
Phone (815) 486-8484

1800 N Main St
Wheaton, IL 60187
Phone (630) 469-0045

849 Kellogg Ave
Janesville, WI 53546
Phone (608) 755-7960

1000 Mineral Point Ave
Janesville, WI 53548
Phone (608) 261-6868

N2950 State Road 67
Lake Geneva, WI 53147
Phone (262) 245-0535

1821 S Stoughton Rd
Madison, WI 53716
Phone (608) 260-6000

515 22nd Ave
Monroe, WI 53566
Phone (608) 324-1000

Interoperability endpoints

  • Direct secure messaging: ymustafa526225@direct-ehr-ssmhc.com

Organizations & group practices 7

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 4

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": "1509148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1992217178",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 KISH HOSPITAL DR",
            "city": "DEKALB",
            "state": "IL",
            "postal_code": "601159602",
            "telephone_number": "815-756-1521",
            "fax_number": "815-748-5789"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 KISH HOSPITAL DR",
            "city": "DEKALB",
            "state": "IL",
            "postal_code": "601159602",
            "telephone_number": "815-756-1521",
            "fax_number": "815-748-5789"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1302 N Main St",
            "address_purpose": "LOCATION",
            "city": "Sandwich",
            "state": "IL",
            "postal_code": "605482587",
            "country_code": "US",
            "telephone_number": "815-786-8484",
            "fax_number": "815-981-7356",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MUSTAFA",
        "first_name": "YASER",
        "middle_name": "RASMI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-10-28",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "71353-20",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "MO",
            "license": "2017033642",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036157152",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036157152",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1992217178",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1821 S Stoughton Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537162257",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ymustafa526225@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "ymustafa526225@direct-ehr-ssmhc.com",
            "address_1": "1821 S Stoughton Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537162257",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Dekalb, IL

Sources for this page

Verify at the official NPI Registry.