Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Peter James Thayer, O.D.
Optometrist in Ankeny, IA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568774099
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Registry record
Entity type Individual (Type 1)
Name Dr. Peter James Thayer
Credential O.D.
Sex Male
Practice address 2135 Se Delaware Ave, Ankeny, IA, 50021
Phone (515) 964-0444
Fax (515) 964-7070
Enumeration date Jul 13, 2010
Last updated in NPPES Nov 21, 2017
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Peter Thayer practice?
The practice location on file with NPPES is in Ankeny, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Peter Thayer?
The National Provider Identifier (NPI) for Peter Thayer is 1568774099, 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 2017-11-21.