Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Siamak Sahand, DMD
Dentist in Clearlake, CA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609479567
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Registry record
Entity type Individual (Type 1)
Name Siamak Sahand
Credential DMD
Sex Male
Practice address 14440 Olympic Drive, Clearlake, CA, 95422
Phone (707) 263-8383
Fax (707) 263-5019
Enumeration date Nov 20, 2020
Last updated in NPPES Aug 1, 2025
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 Siamak Sahand practice?
The practice location on file with NPPES is in Clearlake, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Siamak Sahand?
The National Provider Identifier (NPI) for Siamak Sahand is 1609479567, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-01.