Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Stephanie L Porterfield, PH.D.
Psychologist in Norman, OK · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679509483
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Registry record
Entity type Individual (Type 1)
Name Stephanie L Porterfield
Credential PH.D.
Sex Female
Practice address 1225 W Main St, Suite 102, Norman, OK, 73069
Phone (405) 255-2591
Fax (405) 325-1478
Enumeration date Jun 23, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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
Where does Stephanie Porterfield practice?
The practice location on file with NPPES is in Norman, OK. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Stephanie Porterfield?
The National Provider Identifier (NPI) for Stephanie Porterfield is 1679509483, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.