William Blackmore Claussen, DDS
Dentist · Alameda, CA
William Blackmore Claussen, DDS is a dentist with a practice address in Alameda, California, and NPI 1043204472, issued on Aug 31, 2005. Check the license (California 19592, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Blackmore Claussen
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 19592 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2229 Santa Clara Ave, Alameda, CA 94501
- Phone
- (510) 522-1945
- Enumerated
- Aug 31, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 865-7346
- Entity
- Type 1 · individual
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Verify William Blackmore Claussen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 19592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Blackmore Claussen among 14,729 dentist records in California
William Blackmore Claussen, DDS 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileNo · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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).
38 dentist records list a practice address in Alameda
They are 38 of the 2,492 NPPES records with a practice address in Alameda, and 14,729 dentist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,729 in California → Every provider in Alameda → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Hector Aguilar, DDSAlameda, CA 945011194804971
- Bruce Bothwell, D.D.S.Alameda, CA 945011164502993
- Charles Eliason, D.D.S.Alameda, CA 945011407046477
- Gerald Gelle, DDSAlameda, CA 945011043213036
- Michael Lee, D.D.S.Alameda, CA 945011629135835
- Amanda Leong, DDSAlameda, CA 945011912912783
- Maria Manaloto, DDSAlameda, CA 945011467568352
- Kjell Ragnar, D.D.S.Alameda, CA 945011679609861
Common questions
What is William Blackmore Claussen, DDS's NPI number?
William Blackmore Claussen, DDS's National Provider Identifier (NPI) is 1043204472, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Blackmore Claussen, DDS located?
The NPPES record lists a practice address at 2229 Santa Clara Ave, Alameda, CA, 94501. Phone: (510) 522-1945. Providers update this record themselves, so call before visiting.
How can I verify William Blackmore Claussen, DDS's license?
NPPES lists California license number 19592, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.