Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew Robert Hileman, OD
Optometrist in Saint Helena, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477559011
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Registry record
Entity type Individual (Type 1)
Name Matthew Robert Hileman
Credential OD
Sex Male
Practice address 1104 Adams St, Ste 101, Saint Helena, CA, 94574
Phone (707) 963-7923
Fax (707) 963-8653
Enumeration date Jun 27, 2005
Last updated in NPPES Sep 30, 2008
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 Matthew Hileman?
Matthew Hileman 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 → Karynne Duncan Dermatology Physician · Saint Helena, CA NPI 1548235617 Karynne O. Duncan, M.D., Inc Dermatology Physician · Saint Helena, CA NPI 1114037397 Matthew R Hileman, O D A Profesional Corporation Optometrist · Saint Helena, CA NPI 1457423501 Michelle Hileman Speech-Language Pathologist · Saint Helena, CA NPI 1043474711
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-30.