DR. FAHAD AZIZ M.D
NPI 1881968188
Internal Medicine - Nephrology in Fitchburg, WI
About Dr. Fahad Aziz M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FAHAD AZIZ M.D (NPI 1881968188) is an individual nephrology provider in Fitchburg, Wisconsin, licensed in Wisconsin (64948) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and maintains a secondary practice location in Winston Salem.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Fahad Aziz M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Fahad Aziz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleton, WI 53562
- Reassigned Medicare billing, Illinois and Wisconsin enrollments
- 29 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uw Health
Acute Care Hospitals · Rockford, ILMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIThedacare Regional Med Ctr - Neenah
Acute Care Hospitals · Neenah, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIMarshfield Medical Center - Eau Claire
Acute Care Hospitals · Eau Claire, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Fahad Aziz's NPI number?
The NPI number for Fahad Aziz is 1881968188. It was assigned to this individual provider in the NPPES registry on March 5, 2012.
Where is Fahad Aziz located?
Fahad Aziz practices at 3034 Fish Hatchery Rd, Fitchburg, WI 53713. The listed phone number is (608) 270-5656.
What is Fahad Aziz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Fahad Aziz enrolled in Medicare?
Yes. Fahad Aziz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Fahad Aziz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fahad Aziz reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Fahad Aziz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Fahad Aziz accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Fahad Aziz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Fahad Aziz affiliated with any hospitals?
According to CMS data, Fahad Aziz is affiliated with Uw Health, Marshfield Medical Center, Thedacare Regional Med Ctr - Neenah, University Of Wi Hospitals & Clinics Authority and Marshfield Medical Center - Eau Claire.
When was this NPI record last updated?
The NPPES record for Fahad Aziz was last updated on February 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.