Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Christopher Alan Ruzicka, OD
Optometrist in Concord, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992813414
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Registry record
Entity type Individual (Type 1)
Name Dr. Christopher Alan Ruzicka
Credential OD
Sex Male
Practice address 4180 Treat Blvd, Ste B, Concord, CA, 94518
Phone (925) 682-0319
Fax (925) 676-0966
Enumeration date Aug 25, 2006
Last updated in NPPES Oct 11, 2012
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 Christopher Ruzicka?
The National Provider Identifier (NPI) for Christopher Ruzicka is 1992813414, a Type 1 (individual) record in the CMS NPPES registry.
Where does Christopher Ruzicka practice?
The practice location on file with NPPES is in Concord, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Philip Rohrer Marriage & Family Therapist · Concord, CA NPI 1205844412 Laura Lacey Optometrist · Concord, CA NPI 1598873010 Judith Rohrer Marriage & Family Therapist · Concord, CA NPI 1013080217 Christopher A Ruzicka & Laura Lacey Optometrist · Concord, CA NPI 1477749265 New Health Chiropractic Center Inc. Chiropractor · Concord, CA NPI 1972054898
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-11.