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SOUTHWEST KIDNEY INSTITUTE, PLC
NPI 1407094436
Internal Medicine - Nephrology in Tucson, AZ

Active since January 29, 2009CLIA 03D0532830 · Microscopy
395 N. SILVERBELL, SUITE 209, TUCSON, AZ 85745(520) 623-2642(520) 623-6162 Get Directions Write a Review

NPPES record last updated: November 6, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Southwest Kidney Institute, Plc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SOUTHWEST KIDNEY INSTITUTE, PLC (NPI 1407094436) is a healthcare organization registered as a nephrology in Tucson, Arizona and active in the NPI registry since January 2009. The organization holds a CLIA Microscopy certificate valid through September 1, 2028 and lists Gurdev Singh, Vp Of Finance, as its authorized official.

NPPES Registry Identity

NPI1407094436
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameSOUTHWEST KIDNEY INSTITUTE, PLC
Location Address395 N. SILVERBELL, SUITE 209Tucson, AZ 85745-2606
Mailing Address2149 E Warner Rd, Suite 101Tempe, AZ 85284-3494 · (480) 610-6100 · Fax (480) 610-6195
Phone(520) 623-2642
Fax(520) 623-6162
Organization SubpartNo
Authorized OfficialGurdev SinghVp Of Finance · (480) 610-6100
Enumeration DateJanuary 29, 2009
Last NPPES UpdateNovember 6, 2012
✔ NPI 1407094436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
395 N. SILVERBELL, Tucson, AZ 85745
Open in Google Maps ↗

Other Identifiers 1

Medicare PINZ126441AZ

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Southwest Kidney Institute, Plc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

117

Medicare enrollment records show 117 clinicians reassign Medicare billing to Southwest Kidney Institute, Plc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 13 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Nephrology61
Nurse Practitioner37
Internal Medicine14
Vascular Surgery2
General Surgery1
Hospitalist1
Registered Dietitian or Nutrition Professional1

Nearest to this location (20)

See all 117
Daniel Castro Pereira, M.D.
Nephrology
NPI 1912212390
395 N SILVERBELL RD STE 209
Tucson, AZ 85745
(520) 623-2642
✔ PECOS✔ Accepts MedicareSame address
Asjad Sardar, M.D.
Nephrology
NPI 1568500924
395 N SILVERBELL RD STE 209
Tucson, AZ 85745
(520) 623-2642
✔ PECOS✔ Accepts MedicareSame address
Hannah Max-Deah, NP
Nurse Practitioner
NPI 1689540296
1740 E FORT LOWELL RD STE 100
Tucson, AZ 85719
(520) 613-0001
✔ PECOS4.1 mi
Jennifer Canez, FNP-C
Nurse Practitioner
NPI 1265934939
2800 E AJO WAY
Tucson, AZ 85713
(520) 874-2000
✔ PECOS✔ Accepts Medicare5.4 mi
Gabriel El-Kass, M.D.
Internal Medicine
NPI 1821295353
1645 N SWAN RD
Tucson, AZ 85712
(520) 623-2642
✔ PECOS✔ Accepts Medicare6.3 mi
Teh Li Huo, MD
Nephrology
NPI 1467458919
1645 N SWAN RD
Tucson, AZ 85712
(520) 623-2642
✔ PECOS✔ Accepts Medicare6.3 mi
Mindy Jan, MD
Nephrology
NPI 1902804974
1645 N SWAN RD
Tucson, AZ 85712
(520) 327-6265
✔ PECOS✔ Accepts Medicare6.3 mi
Shani Kotadia, MD
Nephrology
NPI 1619256807
1645 N SWAN RD
Tucson, AZ 85712
(520) 623-2642
✔ PECOS✔ Accepts Medicare6.3 mi
Gail-Ann Samuel, NP
Nurse Practitioner
NPI 1023842952
1845 W ORANGE GROVE RD STE 111
Tucson, AZ 85704
(203) 276-2655
✔ PECOS✔ Accepts Medicare6.6 mi
Sarah Walter, NP
Nurse Practitioner
NPI 1033858592
1845 W. ORANGE GROVE RD SUITE 111
Tucson, AZ 85704
(520) 623-2642
✔ PECOS6.6 mi
Paul Lui, MD
Nephrology
NPI 1114923687
2121 N BEVERLY AVE STE 105
Tucson, AZ 85712
(520) 327-6265
✔ PECOS✔ Accepts Medicare7.2 mi
Mohammed Sikder, M.D.
Nephrology
NPI 1518963065
2121 N BEVERLY AVE STE 105
Tucson, AZ 85712
(520) 327-6265
✔ PECOS✔ Accepts Medicare7.2 mi
Vanica Caswell, RN
Nurse Practitioner
NPI 1982985818
7040 E GOLF LINKS RD
Tucson, AZ 85730
(520) 200-6709
✔ PECOS✔ Accepts Medicare9.5 mi
Benjamin Sarsah, MD
Nephrology
NPI 1144483132
1824 E INNOVATION PARK DR
Oro Valley, AZ 85755
(520) 623-2642
✔ PECOS✔ Accepts Medicare15 mi
Germin Delos Santos
Nurse Practitioner
NPI 1467233841
10959 E WHITE SAGE DR
Tucson, AZ 85747
(520) 302-7128
✔ PECOS✔ Accepts Medicare15 mi
Marc Olivier, M.D
Nephrology
NPI 1427088350
400 W CAMINO CASA VERDE
Green Valley, AZ 85614
(520) 623-2642
✔ PECOS✔ Accepts Medicare24 mi
Paul Walshaw, M.D.
Nephrology
NPI 1023014586
450 S OCOTILLO AVE
Benson, AZ 85602
(520) 623-2642
✔ PECOS✔ Accepts Medicare44 mi
Susana Francis
Nurse Practitioner
NPI 1558115915
3717 S ROME ST STE 104
Gilbert, AZ 85297
(480) 610-6100
✔ PECOS✔ Accepts Medicare85 mi
Karen Boyd, FNP-BC
Nurse Practitioner
NPI 1760956338
1724 S RESEDA ST
Gilbert, AZ 85295
(602) 695-0658
✔ PECOS✔ Accepts Medicare87 mi
Saher Aslam, MD
Internal Medicine
NPI 1174180053
2149 E WARNER RD STE 101
Tempe, AZ 85284
(480) 610-6100
✔ PECOS✔ Accepts Medicare92 mi
See all 117 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 03D0532830

Southwest Kidney Institute, Plc · Tucson, AZ
Active · expires Sep 1, 2028
CLIA Number03D0532830
Laboratory TypePhysician Office
Certificate Effective DateSeptember 2, 2026
Certificate Expiration DateSeptember 1, 2028
Laboratory DirectorMarc A. Olivier
Laboratory Phone(520) 623-2642
Laboratory LocationSouthwest Kidney Institute, Plc395 N Silverbell Road Suite 209, Tucson, AZ 85745
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Southwest Kidney Institute, Plc's NPI number?

The NPI number for Southwest Kidney Institute, Plc is 1407094436. It was assigned to this organization in the NPPES registry on January 29, 2009.

Where is Southwest Kidney Institute, Plc located?

Southwest Kidney Institute, Plc is located at 395 N. Silverbell Suite 209, Tucson, AZ 85745. The listed phone number is (520) 623-2642.

What is Southwest Kidney Institute, Plc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Southwest Kidney Institute, Plc enrolled in Medicare?

Yes. Southwest Kidney Institute, Plc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Southwest Kidney Institute, Plc?

According to the CMS Revalidation Reassignment List (October 2026 release), 117 clinicians in 7 Medicare specialties reassign their Medicare billing to Southwest Kidney Institute, Plc. A 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 the clinician's services. The largest specialties are Nephrology (61), Nurse Practitioner (37) and Internal Medicine (14). Of these, 2 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Southwest Kidney Institute, Plc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 03D0532830) is associated with this NPI, valid through September 1, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Southwest Kidney Institute, Plc was last updated on November 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.