James D. Ahn, D.D.S.
General Practice Dentistry · Azusa, CA
James D. Ahn, D.D.S. is a general practice dentistry with a practice address in Azusa, California, and NPI 1164462263, issued on Jun 7, 2006. Check the license (California 46234, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James D. Ahn
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 46234 CA
Self-reported in NPPES; status is on the state search - Practice location
- 315 E Gladstone St, Azusa, CA 91702
- Phone
- (626) 969-6728
- Enumerated
- Jun 7, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify James D. Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 46234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average general practice dentistry in 2024
95 Medicare Part D claims for 63 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
- Ibuprofen51 claims
- Amoxicillin34 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.
James D. Ahn among 17,852 general practice dentistry records in California
James D. Ahn, D.D.S. 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 updated2026 · 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).
9 general practice dentistry records list a practice address in Azusa
They are 9 of the 464 NPPES records with a practice address in Azusa, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Azusa → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Chris Altunis, DDSAzusa, CA 917021811477763
- Angela Hoffman, DDSAzusa, CA 917021104044635
- Brianne Luu, DMDAzusa, CA 917021881760809
- Peter Luu, D.D.S.Azusa, CA 917021104016419
- Ronald Redoblado, D.D.S.Azusa, CA 917021336204866
- Ralph Reyes, DDSAzusa, CA 917021477619682
- Weizhong Su, DDSAzusa, CA 917021386801405
- Kamran Uppal, DDSAzusa, CA 917021023742657
Common questions
What is James D. Ahn, D.D.S.'s NPI number?
James D. Ahn, D.D.S.'s National Provider Identifier (NPI) is 1164462263, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James D. Ahn, D.D.S. located?
The NPPES record lists a practice address at 315 E Gladstone St, Azusa, CA, 91702. Phone: (626) 969-6728. Providers update this record themselves, so call before visiting.
How can I verify James D. Ahn, D.D.S.'s license?
NPPES lists California license number 46234, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James D. Ahn, D.D.S. prescribe under Medicare Part D?
In 2024, James D. Ahn, D.D.S. had 95 Medicare Part D claims for 63 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.