NPPES file of Aug 9, 2026

Joseph Shau Lin Tsai, DDS

General Practice Dentistry · Tarzana, CA

Joseph Shau Lin Tsai, DDS is a general practice dentistry with a practice address in Tarzana, California, and NPI 1114081122, issued on Dec 21, 2006. Check the license (California 29681, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114081122
Name
Joseph Shau Lin Tsai
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
29681 CA
Self-reported in NPPES; status is on the state search
Practice location
5620 Wilbur Ave, Tarzana, CA 91356
Phone
(818) 708-3828
Enumerated
Dec 21, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(818) 708-1396
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5620 Wilbur Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pamela Bassett, PA-CPhysician Assistant1750686598
  2. E Duane Carmalt, M.D.Infectious Disease Physician1952597627
  3. Kaveh Daraie, DMDGeneral Practice Dentistry1598804767
  4. Lilian Eshaghian, DDSGeneral Practice Dentistry1376051284
  5. Michael Hirt, M.D.Internal Medicine Physician1639279292
  6. Gerald Kovar, M.D.Internal Medicine Physician1306883699

Verify Joseph Shau Lin Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 29681
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% more Medicare Part D claims than the average general practice dentistry in 2024

92 Medicare Part D claims for 76 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Joseph Tsai92
  2. Specialty average83

Most prescribed

  1. Amoxicillin50 claims
  2. Azithromycin14 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.

Joseph Shau Lin Tsai among 17,852 general practice dentistry records in California

Joseph Shau Lin Tsai, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

46 general practice dentistry records list a practice address in Tarzana

They are 46 of the 2,122 NPPES records with a practice address in Tarzana, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jorge Alvarez, D.D.S.Tarzana, CA 913561912997842
  2. David Beber, D.D.S.Tarzana, CA 913561720071426
  3. David Bomar, D.D.S.Tarzana, CA 913561982611406
  4. Barry Dorfman, D.D.S.Tarzana, CA 913561528091766
  5. Barry Herman, DDSTarzana, CA 913561841393808
  6. Robert Horlick, DDSTarzana, CA 913561790860690
  7. Kaveh Kanani, DDSTarzana, CA 913561851453518
  8. Alan Levy, D.D.S.Tarzana, CA 913561437262144

Common questions

What is Joseph Shau Lin Tsai, DDS's NPI number?

Joseph Shau Lin Tsai, DDS's National Provider Identifier (NPI) is 1114081122, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Shau Lin Tsai, DDS located?

The NPPES record lists a practice address at 5620 Wilbur Ave, Tarzana, CA, 91356. Phone: (818) 708-3828. Providers update this record themselves, so call before visiting.

How can I verify Joseph Shau Lin Tsai, DDS's license?

NPPES lists California license number 29681, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Joseph Shau Lin Tsai, DDS prescribe under Medicare Part D?

In 2024, Joseph Shau Lin Tsai, DDS had 92 Medicare Part D claims for 76 beneficiaries; the average among general practice dentistry prescribers was 83. 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.