Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sandra Leah Mattson, PH.D.
Psychologist in Oro Valley, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1073642450
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Registry record
Entity type Individual (Type 1)
Name Sandra Leah Mattson
Credential PH.D.
Sex Female
Practice address 7555 N Oracle Rd Unit 4, Oro Valley, AZ, 85704
Phone (520) 990-4931
Enumeration date Mar 3, 2007
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 332312 | 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.
Frequently asked questions
What is the NPI number for Sandra Mattson?
The National Provider Identifier (NPI) for Sandra Mattson is 1073642450, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sandra Mattson practice?
The practice location on file with NPPES is in Oro Valley, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.