Siamak Sahand, DMD
Dentist · Clearlake, CA
Siamak Sahand, DMD is a dentist with a practice address in Clearlake, California, and NPI 1609479567, issued on Nov 20, 2020. Check the license (California 105775, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Siamak Sahand
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 105775 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14440 Olympic Drive, Clearlake, CA 95422
- Phone
- (707) 263-8383
- Enumerated
- Nov 20, 2020
- Record last updated
- Aug 1, 2025
- Fax
- (707) 263-5019
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 14440 Olympic Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracy Hazelton, PA-CMedical Physician Assistant1821024746
Verify Siamak Sahand in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 105775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average dentist in 2024
60 Medicare Part D claims for 49 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Siamak Sahand among 14,729 dentist records in California
Siamak Sahand, DMD is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 dentist records list a practice address in Clearlake
They are 4 of the 321 NPPES records with a practice address in Clearlake, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Clearlake → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Mark Cooper, DDSClearlake, CA 954221912926411
- Thomas Hewlett, DDSClearlake, CA 954221144237264
- James Kinsel, DDSClearlake, CA 954221679589618
- Audrey Duong, DDSCloverdale, CA 954251437636701
- Kevin Garvin, DDSCloverdale, CA 954251487605747
- Craig Emerson, DDSCovelo, CA 954281194923078
- Toni Mann, DDSBoonville, CA 954151780723981
- Ronald Miller, DDSSonoma, CA 954311497781553
Common questions
What is Siamak Sahand, DMD's NPI number?
Siamak Sahand, DMD's National Provider Identifier (NPI) is 1609479567, issued on Nov 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Sahand, DMD located?
The NPPES record lists a practice address at 14440 Olympic Drive, Clearlake, CA, 95422. Phone: (707) 263-8383. Providers update this record themselves, so call before visiting.
How can I verify Siamak Sahand, DMD's license?
NPPES lists California license number 105775, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Siamak Sahand, DMD prescribe under Medicare Part D?
In 2024, Siamak Sahand, DMD had 60 Medicare Part D claims for 49 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.