Ken S. Chan, DDS
Dentist · Merced, CA
Ken S. Chan, DDS is a dentist with a practice address in Merced, California, and NPI 1215124342, issued on Oct 3, 2007. Check the license (California 45436, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ken S. Chan
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 45436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1176 Olivewood Dr, Merced, CA 95348
- Phone
- (209) 600-7123
- Enumerated
- Oct 3, 2007
- Record last updated
- Apr 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Ken S. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 45436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average dentist in 2024
169 Medicare Part D claims for 96 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen95 claims
- Penicillin V Potassium49 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.
Ken S. Chan among 14,729 dentist records in California
Ken S. Chan, DDS is one of 14,729 dentist records with a practice address in California. 56% 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 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 dentist records list a practice address in Merced
They are 41 of the 2,836 NPPES records with a practice address in Merced, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Merced → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Justin Chapman, D.D.S.Merced, CA 953481477687499
- Otto Geissler, D.D.S.Merced, CA 953481730150442
- Murad Gharibian, DDSMerced, CA 953481023295052
- Lavon Goodin, DDSMerced, CA 953481265561179
- Jay Gremillion, DDSMerced, CA 953481174657241
- Thomas Lequia, D.D.S.Merced, CA 953481902958960
- Marie Moran, DDSMerced, CA 953481427145069
- Sang Hyuk Park, D.D.S.Merced, CA 953481669478871
Common questions
What is Ken S. Chan, DDS's NPI number?
Ken S. Chan, DDS's National Provider Identifier (NPI) is 1215124342, issued on Oct 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ken S. Chan, DDS located?
The NPPES record lists a practice address at 1176 Olivewood Dr, Merced, CA, 95348. Phone: (209) 600-7123. Providers update this record themselves, so call before visiting.
How can I verify Ken S. Chan, DDS's license?
NPPES lists California license number 45436, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ken S. Chan, DDS prescribe under Medicare Part D?
In 2024, Ken S. Chan, DDS had 169 Medicare Part D claims for 96 beneficiaries; the average among dentist prescribers was 86. 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.