NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Michael Meszaros, M.D.

Orthopaedic Surgery Physician in Gilbert, AZ · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1093826000

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William Michael Meszaros
Credential M.D.
Sex Male
Practice address 3487 S Mercy Rd, Gilbert, AZ, 85297
Fax (480) 222-5607
Enumeration date Aug 31, 2006
Last updated in NPPES Jun 8, 2022

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 112270 (MT) Secondary
207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 112270 (MT) Secondary
207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 40346 (AZ) Secondary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 40346 (AZ) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
424760 Medicaid AZ -

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for William Meszaros?
The National Provider Identifier (NPI) for William Meszaros is 1093826000, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Meszaros 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 2022-06-08.