William Matoska
Periodontics · Los Angeles, CA
William Matoska is a periodontics with a practice address in Los Angeles, California, and NPI 1437378668, issued on Apr 25, 2007. Check the license (California 26091, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Matoska
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 26091 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1127 Wilshire Blvd, Los Angeles, CA 90017
- Phone
- (213) 481-0664
- Enumerated
- Apr 25, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (213) 481-2902
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 1127 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chanook Ahn, DMDPeriodontics1699113050
- Diana Akopyan, D.D.S.General Practice Dentistry1710078472
- Elan AllisonOrthotist1558810754
- Constancia Angeles, D.M.D.General Practice Dentistry1215152491
- Silva Arejian, DDSGeneral Practice Dentistry1750681524
- Ellis Beesley, M.D.Pediatric Adolescent Medicine Physician1063470219
Verify William Matoska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 26091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average periodontics in 2024
14 Medicare Part D claims, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
William Matoska among 929 periodontics records in California
William Matoska is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Los Angeles → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Chanook Ahn, DMDLos Angeles, CA 900171699113050
- Chloe Cohen, D.D.S., M.S.Los Angeles, CA 900171912278417
- Lloyd Herman, DDS, MSLos Angeles, CA 900171124294673
- David Kao, D.D.S.Los Angeles, CA 900171932393246
- Gary Kitazawa, D.D.S.Los Angeles, CA 900171972695864
- Joan Otomo-Corgel, DDS, MPHLos Angeles, CA 900171346356045
- Angie Perez-Celis, DDSLos Angeles, CA 900171902459977
- Henry Takei, D.D.S., M.S.Los Angeles, CA 900171033210281
Common questions
What is William Matoska's NPI number?
William Matoska's National Provider Identifier (NPI) is 1437378668, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Matoska located?
The NPPES record lists a practice address at 1127 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 481-0664. Providers update this record themselves, so call before visiting.
How can I verify William Matoska's license?
NPPES lists California license number 26091, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William Matoska prescribe under Medicare Part D?
In 2024, William Matoska had 14 Medicare Part D claims; the average among periodontics prescribers was 277. 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.