Registry data as of Aug 27, 2026

Samuel Au, DDS

Dentist · Cypress, CA

Samuel Au, DDS is a dentist with a practice address in Cypress, California, and NPI 1043386154, issued on Nov 28, 2006. Check the license (California 49273, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1043386154
Name
Samuel Au
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
49273 CA
Self-reported in NPPES; status is on the state search
Practice location
5305 Lincoln Ave, Cypress, CA 90630
Phone
(714) 826-9988
Enumerated
Nov 28, 2006
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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Verify Samuel Au 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 49273
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

14% fewer Medicare Part D claims than the average dentist in 2024

77 Medicare Part D claims for 46 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Samuel Au77
  2. Specialty average90

Most prescribed

  1. Amoxicillin40 claims
  2. Chlorhexidine Gluconate28 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.

23 dentist records list a Cypress practice address

They are 23 of the 631 NPPES records with a Cypress practice address, and 14,906 dentist records in California.

Other dentist records in California

  1. Chantelle AabediLos Angeles, CA1740895150
  2. Sohrab Aalam, DMDIrvine, CA1497431100
  3. Rick Aaronian, DDSFresno, CA1245452184
  4. Michael Aaronson, DDSSan Rafael, CA1992029722
  5. Autumn Abadesco, DDSLa Puente, CA1952857237
  6. Behzad Abadi, DMDDowney, CA1588879100
  7. Esfandiar Abadi, DDSSacramento, CA1992926448
  8. Bahareh AbadianSan Jose, CA1689169005
  9. Reza Abaei Tafreshi, DDSIrvine, CA1134656804
  10. Michael AbaianSherman Oaks, CA1023263167

Common questions

What is Samuel Au, DDS's NPI number?

Samuel Au, DDS's National Provider Identifier (NPI) is 1043386154, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Au, DDS located?

The NPPES record lists a practice address at 5305 Lincoln Ave, Cypress, CA, 90630. Phone: (714) 826-9988. Providers update this record themselves, so call before visiting.

How can I verify Samuel Au, DDS's license?

NPPES lists California license number 49273, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Samuel Au, DDS prescribe under Medicare Part D?

In 2024, Samuel Au, DDS had 77 Medicare Part D claims for 46 beneficiaries; the average among dentist prescribers was 90. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.