Active NPI
Ammar Nagi Yahia Mohamed, MD
- Nephrology Physician
- Madison, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 83833-20
- Practice address
- 600 Highland Ave
Madison, WI 53792-0001 - Phone
- (608) 262-5420
- NPI assigned
- Jun 26, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | 83833-20 | WI | Primary |
Addresses
Primary practice location
600 Highland Ave
Madison, WI 53792-0001
Mailing address
7974 Uw Health CT
Middleton, WI 53562-5531
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | amohamed4199561@direct.uwhealth.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nephrology
- Education
- Other, 2006
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2977 County Hwy CX
Portage, WI 53901
Phone (608) 742-3004
Hospital & facility affiliations
- Fresenius Kidney Care American Parkway
- University of Wi Hospitals & Clinics Authority
- Unitypoint Health - Meriter
- Uw Health
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 83833-20 | WI | MD | Nephrology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Wisconsin Medical Foundation, Inc | Current | Accepting new patients | |
| University of Wisconsin Medical Foundation, Inc | Current | Accepting new patients | |
| University of Wisconsin Medical Foundation Inc | Past | Accepting new patients |
Locations
3034 Fish Hatchery Rd
Fitchburg, WI 53713
Phone (608) 270-5600
402 W Lake St
Friendship, WI 53934
Phone (608) 339-3331
600 Highland Ave
Madison, WI 53792
Phone (608) 263-0325
4621 Eastpark Blvd
Madison, WI 53718
Phone (608) 914-0100
7974 Uw Health Ct
Middleton, WI 53562
Phone (608) 829-5270
2977 Cty Cx
Portage, WI 53901
Phone (608) 742-3004
Organizations & group practices 3
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.
-
- Multi-Specialty Clinic/Center
- Middleton, WI
- NPI 1598784555
-
- Health Educator
- Madison, WI
- NPI 1487414082
-
- Durable Medical Equipment & Medical Supplies
- Cross Plains, WI
- NPI 1174583363
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Madison, WI
- NPI 1992352082
Dialysis facility
-
- General Acute Care Hospital
- Madison, WI
- NPI 1114920048
-
- General Acute Care Hospital
- Madison, WI
- NPI 1922043744
-
- General Acute Care Hospital
- Rockford, IL
- NPI 1760542732
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1561507200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1747180800000",
"number": "1306407606",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7974 UW HEALTH CT",
"city": "MIDDLETON",
"state": "WI",
"postal_code": "535625531"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 HIGHLAND AVE",
"city": "MADISON",
"state": "WI",
"postal_code": "537920001",
"telephone_number": "608-262-5420"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MOHAMED",
"first_name": "AMMAR",
"middle_name": "NAGI YAHIA",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-06-26",
"last_updated": "2025-05-14",
"certification_date": "2025-04-21",
"status": "A"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "WI",
"license": "83833-20",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "amohamed4199561@direct.uwhealth.org",
"affiliation": "N",
"address_1": "600 Highland Ave",
"city": "Madison",
"state": "WI",
"country_code": "US",
"postal_code": "537920001",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Madison, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 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.