Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ryan Rudloff, OD
Optometrist in Sioux City, IA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1114419009
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Registry record
Entity type Individual (Type 1)
Name Dr. Ryan Rudloff
Credential OD
Sex Male
Practice address 431 Pierce St, Sioux City, IA, 51101
Phone (402) 770-3158
Enumeration date Jun 5, 2018
Last updated in NPPES Aug 27, 2018
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 Ryan Rudloff practice?
The practice location on file with NPPES is in Sioux City, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ryan Rudloff?
The National Provider Identifier (NPI) for Ryan Rudloff is 1114419009, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-27.