NPPES file of Aug 9, 2026

Kidney Specialist in Madera, CA

This location of Kidney Specialist bills under NPI 1558667949, an organization record issued on Feb 1, 2011 with the primary taxonomy Specialist. It is one of 2 NPIs registered under this name and one of 2 in Madera; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1558667949
Legal name
Kidney Specialist
Entity
Type 2 · organization
Primary taxonomy
Specialist 174400000X
Practice location
508 E ALMOND AVE, Madera, CA 93637
Phone
559-661-1965
Enumerated
Feb 1, 2011
Record updated
Feb 1, 2011
Authorized official
Nephrologist (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other Madera NPI

  1. Kidney Specialist INC451 E ALMOND AVE STE 101 · issued Oct 14, 20071356539423

2 clinicians CMS lists with Kidney Specialist in Madera

  1. Sheikh Masood, MDNephrology Physician1669422812
  2. Mohammed Siddiqui, MDNephrology Physician1184916983

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 2 Kidney Specialist NPIs

Every location registered under this name, in 1 city.

See every location

Checking an organization

  1. Confirm the business with the California secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Which Madera NPI should I use?

Ask the office which NPI it bills under; all 2 Madera NPIs are registered under the same name.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.