1. Home
  2. Directory
  3. Arizona
  4. Sun City
  5. Hospitalist
  6. NPI Profile

LEADING HEALTHCARE, LLC
NPI 1356853691
Hospitalist in Sun City, AZ

Active since October 26, 2017CLIA 03D2290371 · Waiver
13203 N 103RD AVE STE I-5, SUN CITY, AZ 85351(623) 295-1190(602) 429-8595 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 3, 2026, Apr 2, 2025, Dec 29, 2021 and 2 more (5 updates tracked since 2017).

About Leading Healthcare, Llc NPPES

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

LEADING HEALTHCARE, LLC (NPI 1356853691) is a healthcare organization registered as a hospitalist in Sun City, Arizona and active in the NPI registry since October 2017. The organization holds a CLIA Waiver certificate valid through September 24, 2027, maintains a secondary practice location in Phoenix, and lists Mohammad Nasser, Ceo/md, as its authorized official.

NPPES Registry Identity

NPI1356853691
Entity TypeOrganization
Primary Taxonomy208M00000X
Legal Business NameLEADING HEALTHCARE, LLC
Location Address13203 N 103RD AVE STE I-5Sun City, AZ 85351-3028
Mailing AddressPo Box 163Tempe, AZ 85280-0163 · (623) 295-1190 · Fax (602) 429-8595
Phone(623) 295-1190
Fax(602) 429-8595
Organization SubpartNo
Authorized OfficialMohammad NasserCeo/md · (623) 295-1190
Enumeration DateOctober 26, 2017
Last NPPES UpdateFebruary 3, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
✔ NPI 1356853691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in AZ · 47483
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X
13203 N 103RD AVE STE I-5, Sun City, AZ 85351
Open in Google Maps ↗

Secondary Practice Location 1

Location 122922 N 40th PlPhoenix, AZ 85050-8742 · Phone (236) 295-1190 · Fax (602) 457-7069

Other Identifiers 1

Medicaid354728AZ

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Sanford Health Plan.Insurance ›

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 of Waiver 03D2290371

Leading Healthcare Clinic - Sun City · Sun City, AZ
Active · expires Sep 24, 2027
CLIA Number03D2290371
Laboratory TypeCommunity Clinic
Certificate Effective DateSeptember 25, 2025
Certificate Expiration DateSeptember 24, 2027
Laboratory DirectorWilliam Nassour
Laboratory Phone(602) 654-3294
Laboratory LocationLeading Healthcare Clinic - Sun City13203 N 103rd Ave Ste I-5, Sun City, AZ 85351
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. SUSAN NATHANIEL FNP
Nurse Practitioner (Family)
13203 N 103RD AVE STE I-5
SUN CITY, AZ 85351
Maricopa County (623) 295-1190
DR. MOHAMMED S ALANI MD
Hospitalist
13203 N 103RD AVE STE I-5
SUN CITY, AZ 85351
Maricopa County (623) 295-1190
DR. SHARJEEL ISRAR MD
Internal Medicine
13203 N 103RD AVE STE I-5
SUN CITY, AZ 85351
Maricopa County (623) 295-1190
ELSA YADIRA CEDILLO NP
Nurse Practitioner (Acute Care)
13203 N 103RD AVE STE I-5
SUN CITY, AZ 85351
Maricopa County (623) 295-1190

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 Leading Healthcare, LLC's NPI number?

The NPI number for Leading Healthcare, LLC is 1356853691. It was assigned to this organization in the NPPES registry on October 26, 2017.

Where is Leading Healthcare, LLC located?

Leading Healthcare, LLC is located at 13203 N 103rd Ave Ste I-5, Sun City, AZ 85351. The listed phone number is (623) 295-1190.

What is Leading Healthcare, LLC's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Does Leading Healthcare, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D2290371) is associated with this NPI, valid through September 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Leading Healthcare, LLC accept?

Health plans from Ambetter from Arizona Complete Health and Sanford Health Plan list Leading Healthcare, LLC 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.

When was this NPI record last updated?

The NPPES record for Leading Healthcare, LLC was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.