Tak Ching Au, D.M.D
General Practice Dentistry · El Monte, CA
Tak Ching Au, D.M.D is a general practice dentistry with a practice address in El Monte, California, and NPI 1861594608, issued on Sep 2, 2006. Check the license (California 32431, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tak Ching Au
- Credential
- D.M.D
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 32431 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4718 Santa Anita Ave, El Monte, CA 91731
- Phone
- (626) 443-3433
- Enumerated
- Sep 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 443-3498
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Tak Ching Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 32431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average general practice dentistry in 2024
40 Medicare Part D claims for 21 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin23 claims
- Chlorhexidine Gluconate12 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.
Tak Ching Au among 17,852 general practice dentistry records in California
Tak Ching Au, D.M.D 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).
47 general practice dentistry records list a practice address in El Monte
They are 47 of the 1,528 NPPES records with a practice address in El Monte, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in El Monte → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Luis Alvarado, DDSEl Monte, CA 917311306056494
- Mia Ancheta, DDSEl Monte, CA 917311740407451
- Leandro Arca, D.D.S.El Monte, CA 917311831245539
- Matthew Cheung, DDSEl Monte, CA 917311982662490
- Carlos Da Silva, DDSEl Monte, CA 917311710186564
- Jose Agapito Fajardo, DMDEl Monte, CA 917311699957696
- Raffi Guedikian, DDSEl Monte, CA 917311720142003
- Frank Kim, D.D.S.El Monte, CA 917311235284191
Common questions
What is Tak Ching Au, D.M.D's NPI number?
Tak Ching Au, D.M.D's National Provider Identifier (NPI) is 1861594608, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tak Ching Au, D.M.D located?
The NPPES record lists a practice address at 4718 Santa Anita Ave, El Monte, CA, 91731. Phone: (626) 443-3433. Providers update this record themselves, so call before visiting.
How can I verify Tak Ching Au, D.M.D's license?
NPPES lists California license number 32431, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tak Ching Au, D.M.D prescribe under Medicare Part D?
In 2024, Tak Ching Au, D.M.D had 40 Medicare Part D claims for 21 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.