Active NPI
Muhammad Azhar
- Nephrology Physician
- La Crosse, WI
National Provider Identifier
1336985167
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 87575
- Practice address
- 800 West Ave S
La Crosse, WI 54601-8806 - Phone
- (608) 785-0940
- NPI assigned
- Jul 2, 2024
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | R81237 | AZ | |
| Nephrology Physician | 207RN0300X | 87575 | WI | Primary |
Addresses
Primary practice location
800 West Ave S
La Crosse, WI 54601-8806
Mailing address
PO Box 860912
Minneapolis, MN 55486-0912
Phone (608) 785-0940
Other practice location 1
1625 N Campbell Ave
Tucson, AZ 85719-4330
Phone (520) 694-0111
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mazhar2711796@ehrdirect.mayoclinicmsg.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20251014001794 | AZ | Order and Referring Only - Nephrology | 6901393909 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1719878400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781740800000",
"number": "1336985167",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 860912",
"city": "MINNEAPOLIS",
"state": "MN",
"postal_code": "554860912",
"telephone_number": "608-785-0940"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "800 WEST AVE S",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546018806",
"telephone_number": "608-785-0940"
}
],
"practiceLocations": [
{
"address_1": "1625 N Campbell Ave",
"address_purpose": "LOCATION",
"city": "Tucson",
"state": "AZ",
"postal_code": "857194330",
"country_code": "US",
"telephone_number": "520-694-0111",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "AZHAR",
"first_name": "MUHAMMAD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-07-02",
"last_updated": "2026-06-18",
"certification_date": "2026-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "AZ",
"license": "R81237",
"primary": false
},
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "WI",
"license": "87575",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mazhar2711796@ehrdirect.mayoclinicmsg.org",
"affiliation": "N",
"address_1": "800 West Ave S",
"city": "LA CROSSE",
"state": "WI",
"country_code": "US",
"postal_code": "546018806",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}Other providers in La Crosse, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.