Matthew Tsai, DDS
Dentist · Signal Hill, CA
Matthew Tsai, DDS is a dentist with a practice address in Signal Hill, California, and NPI 1306070727, issued on May 13, 2009. Check the license (California 41564, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Tsai
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 41564 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 E Hill St, Signal Hill, CA 90755
- Phone
- (562) 424-6200
- Enumerated
- May 13, 2009
- Record last updated
- May 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (562) 981-5074
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 1600 E Hill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sylvia Guzman, LCSWClinical Social Worker1851527220
Verify Matthew Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41564Check 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 45 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
- Amoxicillin24 claims
- Chlorhexidine Gluconate16 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.
Industry payments in 2024: $263.66
4 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Matthew Tsai among 14,729 dentist records in California
Matthew Tsai, 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. Its NPI, issued in 2009, is newer than 48% of them.
- NPI issued2009 · 48% of these records are older, 49% 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 updated2009 · 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).
3 dentist records list a practice address in Signal Hill
They are 3 of the 257 NPPES records with a practice address in Signal Hill, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Signal Hill → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Sonia Dee, DDSSignal Hill, CA 907551184952491
- Mai Tran, D.D.S.Signal Hill, CA 907551457542268
- Gloria Cordero, DMDCarson, CA 907461164561221
- Ana Mendiola Gudino, DDSCarson, CA 907461396600706
- Reza Moghbel, DDSCarson, CA 907461174923338
- Mina Abraham, DDSCarson, CA 907451972894673
- Maria Lydia Ampil, D.D.S.Carson, CA 907451548537954
- Migsal AndrugtsangCarson, CA 907451548011174
Common questions
What is Matthew Tsai, DDS's NPI number?
Matthew Tsai, DDS's National Provider Identifier (NPI) is 1306070727, issued on May 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Tsai, DDS located?
The NPPES record lists a practice address at 1600 E Hill St, Signal Hill, CA, 90755. Phone: (562) 424-6200. Providers update this record themselves, so call before visiting.
How can I verify Matthew Tsai, DDS's license?
NPPES lists California license number 41564, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Tsai, DDS prescribe under Medicare Part D?
In 2024, Matthew Tsai, DDS had 60 Medicare Part D claims for 45 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.