Margaret Chai Wu, DDS
General Practice Dentistry · San Gabriel, CA
Margaret Chai Wu, DDS is a general practice dentistry with a practice address in San Gabriel, California, and NPI 1073703500, issued on Jul 31, 2007. Check the license (California 56043, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Chai Wu
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 56043 CA
Self-reported in NPPES; status is on the state search - Practice location
- 406 E Fairview Ave, San Gabriel, CA 91776
- Phone
- (626) 286-5182
- Enumerated
- Jul 31, 2007
- Record last updated
- Jul 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Margaret Chai Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 56043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average general practice dentistry in 2024
92 Medicare Part D claims for 42 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
- Amoxicillin45 claims
- Ibuprofen37 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.
Margaret Chai Wu among 17,852 general practice dentistry records in California
Margaret Chai Wu, 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% 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 updated2012 · 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).
63 general practice dentistry records list a practice address in San Gabriel
They are 63 of the 762 NPPES records with a practice address in San Gabriel, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Gabriel → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- James Chae, D.D.S.San Gabriel, CA 917761023194305
- Henry Chen, DDSSan Gabriel, CA 917761851350243
- Daniel Cheng, DDSSan Gabriel, CA 917761568525913
- Johnson Chung, DMDSan Gabriel, CA 917761639182488
- Andrew Do, D.D.S.San Gabriel, CA 917761326144718
- Paul FanSan Gabriel, CA 917761467470708
- Heejoung Kim, DDSSan Gabriel, CA 917761407957954
- Tracy Ku, D.D.S.San Gabriel, CA 917761740398353
Common questions
What is Margaret Chai Wu, DDS's NPI number?
Margaret Chai Wu, DDS's National Provider Identifier (NPI) is 1073703500, issued on Jul 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Chai Wu, DDS located?
The NPPES record lists a practice address at 406 E Fairview Ave, San Gabriel, CA, 91776. Phone: (626) 286-5182. Providers update this record themselves, so call before visiting.
How can I verify Margaret Chai Wu, DDS's license?
NPPES lists California license number 56043, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Chai Wu, DDS prescribe under Medicare Part D?
In 2024, Margaret Chai Wu, DDS had 92 Medicare Part D claims for 42 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.