Michael Taksang Siew, DDS
General Practice Dentistry · Seattle, WA
Michael Taksang Siew, DDS is a general practice dentistry with a practice address in Seattle, Washington, and NPI 1982794285, issued on Oct 15, 2006. Check the license (Washington 6337, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Taksang Siew
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6337 WA
Self-reported in NPPES; status is on the state search - Practice location
- 916 NE Ravenna Blvd, Seattle, WA 98115
- Phone
- (206) 525-6181
- Enumerated
- Oct 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (206) 525-7974
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Also registered at 916 NE Ravenna Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debra Cederbaum, D.D.S.General Practice Dentistry1841285806
- Junghi Kim, DDSDentist1093361792
Verify Michael Taksang Siew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 6337Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average general practice dentistry in 2024
65 Medicare Part D claims for 38 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin57 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.
Michael Taksang Siew among 3,196 general practice dentistry records in Washington
Michael Taksang Siew, DDS is one of 3,196 general practice dentistry records with a practice address in Washington. 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 5% of them.
- NPI issued2006 · 5% of these records are older, 59% 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 · 72% 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 Washington 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 Washington
There are 3,196 general practice dentistry records in Washington.
All 3,196 in Washington → Every provider in Seattle → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Gary Bell, DDSSeattle, WA 981151154416915
- Thomas Carns, DDSSeattle, WA 981151437298866
- Debra Cederbaum, D.D.S.Seattle, WA 981151841285806
- Terrance Cliney, DDSSeattle, WA 981151104917509
- Cesar Cruz, DDSSeattle, WA 981151205998796
- Jan Diepenheim, D.D.S.Seattle, WA 981151033268933
- Karl Eberhardt, DDSSeattle, WA 981151508949777
- Jeffrey Green, D.D.S.Seattle, WA 981151285639153
Common questions
What is Michael Taksang Siew, DDS's NPI number?
Michael Taksang Siew, DDS's National Provider Identifier (NPI) is 1982794285, issued on Oct 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Taksang Siew, DDS located?
The NPPES record lists a practice address at 916 NE Ravenna Blvd, Seattle, WA, 98115. Phone: (206) 525-6181. Providers update this record themselves, so call before visiting.
How can I verify Michael Taksang Siew, DDS's license?
NPPES lists Washington license number 6337, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Taksang Siew, DDS prescribe under Medicare Part D?
In 2024, Michael Taksang Siew, DDS had 65 Medicare Part D claims for 38 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.