Joon-Ku Lee, D.M.D
General Practice Dentistry · Sunnyvale, CA
Joon-Ku Lee, D.M.D is a general practice dentistry with a practice address in Sunnyvale, California, and NPI 1720006406, issued on Jul 18, 2006. Check the license (California 43289, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joon-Ku Lee
- Credential
- D.M.D
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 43289 CA
Self-reported in NPPES; status is on the state search - Practice location
- 990 W Fremont Ave, Sunnyvale, CA 94087
- Phone
- (408) 774-2828
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (408) 774-2990
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 990 W Fremont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Preetha Arun, D.D.S.General Practice Dentistry1700912011
- Peter Bui, DDS, MDOral & Maxillofacial Surgery (D.M.D.)1063660538
- Lawrence Chan, M.D.Specialist1669437380
- Neena ChandiokGeneral Practice Dentistry1225236664
- Steve Chang, DDSPeriodontics1700921632
- Roy Christian, D.D.SDentist1073810941
Verify Joon-Ku Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 43289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average general practice dentistry in 2024
55 Medicare Part D claims for 33 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
- Amoxicillin35 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.
Joon-Ku Lee among 17,852 general practice dentistry records in California
Joon-Ku Lee, 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).
132 general practice dentistry records list a practice address in Sunnyvale
They are 132 of the 1,690 NPPES records with a practice address in Sunnyvale, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Sunnyvale → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Thomas Carr, D.D.S.Sunnyvale, CA 940871972579787
- James Doran, DDSSunnyvale, CA 940871083642532
- Holly Dunlop Harding, D.M.D.Sunnyvale, CA 940871801905567
- Theresa Frank, D.D.S.Sunnyvale, CA 940871578582151
- Keerthi Golla, DMDSunnyvale, CA 940871528045184
- Steven Marshall, D.D.S.Sunnyvale, CA 940871568498624
- Thu Nguyen, D.D.S.Sunnyvale, CA 940871043222110
- Amanda Nguyen, D.D.S.Sunnyvale, CA 940871255344701
Common questions
What is Joon-Ku Lee, D.M.D's NPI number?
Joon-Ku Lee, D.M.D's National Provider Identifier (NPI) is 1720006406, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joon-Ku Lee, D.M.D located?
The NPPES record lists a practice address at 990 W Fremont Ave, Sunnyvale, CA, 94087. Phone: (408) 774-2828. Providers update this record themselves, so call before visiting.
How can I verify Joon-Ku Lee, D.M.D's license?
NPPES lists California license number 43289, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joon-Ku Lee, D.M.D prescribe under Medicare Part D?
In 2024, Joon-Ku Lee, D.M.D had 55 Medicare Part D claims for 33 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.