Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Anna Dimmer, OD
Optometrist in Iowa City, IA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821526864
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Anna Dimmer
Credential OD
Sex Female
Practice address 1018 William St, Iowa City, IA, 52240
Phone (319) 338-9275
Enumeration date Jun 2, 2017
Last updated in NPPES Jan 17, 2019
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
What is the NPI number for Anna Dimmer?
The National Provider Identifier (NPI) for Anna Dimmer is 1821526864, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anna Dimmer practice?
The practice location on file with NPPES is in Iowa City, IA. 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 2019-01-17.