Active NPI
Yaser Rasmi Mustafa, MD
- Hospitalist Physician
- Dekalb, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 036157152
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1992217178 | Medicaid | WI |
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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, IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Other, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
- Mercy Walworth Hospital & Medical Center
- Valley West Community Hospital
- SSM Health St Mary'S Hospital - Janesville
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 71353-20 | WI | MD | Emergency Medicine Physician |
| 2017033642 | MO | MD | General Practice Physician |
| 036157152 | IL | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Central Dupage Physician Group | Family Medicine | Current | Accepting new patients |
| Dean Health Systems, Inc. | Current | Accepting new patients | |
| Mercy Health System Corporation | Current | Accepting new patients | |
| Dean Health Systems, Inc | Emergency Medicine | Current | Accepting new patients |
| Rockford Health Physicians | Current | Accepting new patients | |
| Central Dupage Physician Group | Current | 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
- 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.
-
- Family Medicine Physician
- Carol Stream, IL
- NPI 1033149844
-
- Allergy & Immunology Physician
- Madison, WI
- NPI 1053358846
Emergency Medicine
-
- Multi-Specialty Clinic/Center
- Rockford, IL
- NPI 1043242886
-
- Orthopaedic Surgery Physician
- Geneva, IL
- NPI 1780012344
-
- Durable Medical Equipment & Medical Supplies
- Portage, WI
- NPI 1427085679
-
- General Acute Care Hospital
- Janesville, WI
- NPI 1093768962
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Dekalb, IL
- NPI 1669534517
-
- Critical Access Hospital
- Sandwich, IL
- NPI 1184705931
-
- Critical Access Hospital
- Lake Geneva, WI
- NPI 1699728550
-
- General Acute Care Hospital
- Janesville, WI
- NPI 1194004408
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.