Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Claudia Cynthia Ruegg, O.D.
Optometrist in Berkeley, CA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770856411
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Registry record
Entity type Individual (Type 1)
Name Claudia Cynthia Ruegg
Credential O.D.
Sex Female
Practice address 200 Minor Hl, Uc Eye Clinic, Berkeley, CA, 94720
Phone (510) 642-2020
Enumeration date Feb 10, 2012
Last updated in NPPES Nov 14, 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 Claudia Ruegg practice?
The practice location on file with NPPES is in Berkeley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Claudia Ruegg?
The National Provider Identifier (NPI) for Claudia Ruegg is 1770856411, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kathy Tran Optometrist · Berkeley, CA NPI 1346355401 Christina Trifiletti Optometrist · Berkeley, CA NPI 1720237050 Taras Litvin Optometrist · Berkeley, CA NPI 1982833273 Charlie Ngo Optometrist · Berkeley, CA NPI 1417202474 Daphne Chan Optometrist · Berkeley, CA NPI 1043651425 Neda Elijah Optometrist · Berkeley, CA NPI 1427490077 Lyndsay Stewart Optometrist · Berkeley, CA NPI 1528490992 Vivien Lee Corneal and Contact Management Optometrist · Berkeley, CA NPI 1801229083
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-14.