Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexandra Tsontakis
Pediatrics Physician in Phoenix, AZ · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710340716
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Registry record
Entity type Individual (Type 1)
Name Alexandra Tsontakis
Sex Female
Practice address 500 W Thomas Rd Ste 250, Phoenix, AZ, 85013
Phone (602) 406-3520
Fax (602) 406-6162
Enumeration date Mar 29, 2016
Last updated in NPPES Dec 9, 2024
Taxonomy & licenses
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 specialty is Alexandra Tsontakis?
Alexandra Tsontakis is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Leslie Larsen Pediatric Nurse Practitioner · Phoenix, AZ NPI 1508816984 Wendy Carlton Pediatrics Physician · Phoenix, AZ NPI 1801901236 Lilia Parra-Roide Pediatrics Physician · Phoenix, AZ NPI 1417062506 Cara Wright-Talamante Pediatrics Physician · Phoenix, AZ NPI 1548347164 Clifford Gross Pediatrics Physician · Phoenix, AZ NPI 1992844930 Dawn Schwartz Pediatrics Physician · Phoenix, AZ NPI 1902080690 Sara Beste Pediatrics Physician · Phoenix, AZ NPI 1538457379 Anne Guerrero Pediatrics Physician · Phoenix, AZ NPI 1538428404
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-09.