Active NPI
Yusaf Muhammad Hussain, DO
- Allergy & Immunology Physician
- Janesville, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology Physician
- License
- 81667-21
- Practice address
- 1000 Mineral Point Ave
Janesville, WI 53548-2940 - Phone
- (608) 756-6000
- Fax
- (608) 756-6289
- NPI assigned
- Aug 7, 2019
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | OT019671 | PA | |
| Internal Medicine Physician | 207R00000X | OS19039 | FL | |
| Internal Medicine Physician | 207R00000X | 81667-21 | WI | |
| Allergy & Immunology Physician | 207K00000X | 81667-21 | WI | Primary |
Addresses
Primary practice location
1000 Mineral Point Ave
Janesville, WI 53548-2940
Mailing address
1694 W Grandview Blvd
Erie, PA 16509-1174
Phone (302) 279-0290
Other practice location 1
5515 Peach St
Erie, PA 16509-2695
Phone (814) 868-8217
Other practice location 2
N2950 State Road 67
Lake Geneva, WI 53147-2655
Phone (608) 314-2301
Other practice location 3
2825 Prairie Ave
Beloit, WI 53511-1844
Phone (608) 363-5500
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| OT019671 | Medicaid | PA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL, WI, IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Allergy/Immunology
- Education
- Lake Erie College of Osteopathic Medicine, Erie, 2019
- Medicare assignment
- May accept Medicare assignment
- Group practices
- Mercy Health System Corporation
Practice addresses (Care Compare)
1000 Mineral Point Ave
Janesville, WI 53548-2940
Phone (608) 756-6000
7600 W College Dr
Suite 3
Palos Heights, IL 60463-2199
Phone (708) 636-9611
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 82.4 of 100
- Quality
- 65.6
- Improvement activities
- 40
- Cost
- 71.06
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.14 of 100
- Quality
- 88.29
- Promoting interoperability
- 98.25
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy, Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 81667-21 | WI | MD | Allergy & Immunology Physician |
| OT019671 | PA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mercy Health System Corporation | Current | Accepting new patients | |
| Galen Inpatient Physicians PC | Current | Accepting new patients | |
| Crescent Allergy SC | Allergy & Immunology | Current | Accepting new patients |
| Eastside Hospitalists Inc | Current | Accepting new patients | |
| Galen Inpatient Physicians PC | Current | Accepting new patients | |
| Mercy Health System Corporation | Current | Accepting new patients | |
| Mercy Health System Corporation | Current | Accepting new patients | |
| Mercy Health System Corporation | Past | Accepting new patients | |
| Mercy Health System Corporation | Past | Accepting new patients |
Locations
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
3600 Washington St
Hollywood, FL 33021
Phone (954) 265-4461
3501 Johnson St
Pembroke Park, FL 33021
Phone (954) 265-2000
5151 N 9th Ave
Pensacola, FL 32504
Phone (850) 202-4700
29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652
7600 W College Dr
Ste 3
Palos Heights, IL 60463
Phone (708) 361-0600
1000 Mineral Point Ave
Janesville, WI 53548
Phone (608) 261-6868
N2950 State Road 67
Lake Geneva, WI 53147
Phone (262) 245-0535
Interoperability endpoints
- yhussain117967@direct.mhemail.org
- https://fhir4.healow.com/fhir/r4/EDBFAD/Endpoint/EDBFAD
Organizations & group practices 9
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.
-
- Allergy & Immunology Physician
- Palos Heights, IL
- NPI 1275483653
-
dba MHS Physician Services
- Multi-Specialty Clinic/Center
- Janesville, WI
- NPI 1598718603
-
dba Mercy Walworth Hospital and Medical Center
- Critical Access Hospital
- Lake Geneva, WI
- NPI 1699728550
-
- Hospitalist Physician
- Hollywood, FL
- NPI 1285676957
-
- Hospitalist Physician
- Pensacola, FL
- NPI 1205614336
-
dba Mercy Hospital Janesville
- General Acute Care Hospital
- Janesville, WI
- NPI 1093768962
-
- Hospitalist Physician
- Los Angeles, CA
- NPI 1205787686
-
dba Mercy Beloit Medical Center
- Durable Medical Equipment & Medical Supplies
- Beloit, WI
- NPI 1619000437
-
dba Mercy Walworth Hospital and Medical Center
- Prosthetic/Orthotic Supplier
- Lake Geneva, WI
- NPI 1710124698
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Mercy Walworth Hospital and Medical Center
- Critical Access Hospital
- Lake Geneva, WI
- NPI 1699728550
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1565136000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1745452800000",
"number": "1538714456",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1694 W GRANDVIEW BLVD",
"city": "ERIE",
"state": "PA",
"postal_code": "165091174",
"telephone_number": "302-279-0290"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1000 MINERAL POINT AVE",
"city": "JANESVILLE",
"state": "WI",
"postal_code": "535482940",
"telephone_number": "608-756-6000",
"fax_number": "608-756-6289"
}
],
"practiceLocations": [
{
"address_1": "5515 Peach St",
"address_purpose": "LOCATION",
"city": "Erie",
"state": "PA",
"postal_code": "165092695",
"country_code": "US",
"telephone_number": "814-868-8217",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "N2950 State Road 67",
"address_purpose": "LOCATION",
"city": "Lake Geneva",
"state": "WI",
"postal_code": "531472655",
"country_code": "US",
"telephone_number": "608-314-2301",
"fax_number": "262-245-2370",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2825 Prairie Ave",
"address_purpose": "LOCATION",
"city": "Beloit",
"state": "WI",
"postal_code": "535111844",
"country_code": "US",
"telephone_number": "608-363-5500",
"fax_number": "608-363-5539",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HUSSAIN",
"first_name": "YUSAF",
"middle_name": "MUHAMMAD",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-08-07",
"last_updated": "2025-04-24",
"certification_date": "2025-04-24",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PA",
"license": "OT019671",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "FL",
"license": "OS19039",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WI",
"license": "81667-21",
"primary": false
},
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "WI",
"license": "81667-21",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "OT019671",
"state": "PA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Janesville, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 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.