Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Steven Andrew Neunzig, OD
Optometrist in Santa Clara, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093815953
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Registry record
Entity type Individual (Type 1)
Name Steven Andrew Neunzig
Credential OD
Sex Male
Practice address 1190 Scott Blvd, Santa Clara, CA, 95050
Phone (408) 241-3510
Fax (408) 247-2605
Enumeration date Sep 22, 2006
Last updated in NPPES Dec 31, 2013
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Steven Neunzig?
Steven Neunzig is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Dodd Portman Optometrist · Santa Clara, CA NPI 1659341097 Dorit Scharff Optometrist · Santa Clara, CA NPI 1124098561 Dodd R Portman, Od, Inc Optometrist · Santa Clara, CA NPI 1255544375 Steven A. Neunzig, O.D., Inc. Optometrist · Santa Clara, CA NPI 1225459795 Megan Tai Optometrist · Santa Clara, CA NPI 1487130886
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-31.