Timothy Hongki Han, DDS
General Practice Dentistry · Oakland, CA
Timothy Hongki Han, DDS is a general practice dentistry with a practice address in Oakland, California, and NPI 1184831554, issued on May 16, 2007. Check the license (California 39644, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy Hongki Han
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 39644 CA
Self-reported in NPPES; status is on the state search - Practice location
- 320 13TH St Ste 301, Oakland, CA 94612
- Phone
- (510) 839-2045
- Enumerated
- May 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 839-7234
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Timothy Hongki Han in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 39644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average general practice dentistry in 2024
60 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
- Amoxicillin50 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.
Timothy Hongki Han among 17,852 general practice dentistry records in California
Timothy Hongki Han, 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 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).
General Practice Dentistry providers in California
There are 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Oakland → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Eva Bender, DDSOakland, CA 946121043367212
- Paul Casale, D.D.S.Oakland, CA 946121316096357
- Unnati Doshi, D.D.S.Oakland, CA 946121972658839
- Wayne Fong, DDSOakland, CA 946121720069222
- Hai Huang, D.D.S.Oakland, CA 946121508922550
- Ernie Lavorini, D.D.S.Oakland, CA 946121518010362
- Aimin Liu, DDSOakland, CA 946121548315765
- William Mutch, DDSOakland, CA 946121548331044
Common questions
What is Timothy Hongki Han, DDS's NPI number?
Timothy Hongki Han, DDS's National Provider Identifier (NPI) is 1184831554, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Hongki Han, DDS located?
The NPPES record lists a practice address at 320 13TH St Ste 301, Oakland, CA, 94612. Phone: (510) 839-2045. Providers update this record themselves, so call before visiting.
How can I verify Timothy Hongki Han, DDS's license?
NPPES lists California license number 39644, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy Hongki Han, DDS prescribe under Medicare Part D?
In 2024, Timothy Hongki Han, DDS had 60 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.