Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph W. Mashni Jr., M.D.
Urology Physician in Gilbert, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164637054
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Registry record
Entity type Individual (Type 1)
Name Joseph W. Mashni Jr.
Credential M.D.
Sex Male
Practice address 2646 E. Banner Gateway Drive, Gilbert, AZ, 85234
Phone (480) 256-6444
Fax (480) 256-4734
Enumeration date May 14, 2007
Last updated in NPPES Mar 6, 2015
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Joseph Mashni?
The National Provider Identifier (NPI) for Joseph Mashni is 1164637054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Mashni practice?
The practice location on file with NPPES is in Gilbert, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-06.