Ryan Tam, DDS
Dentist · Mercer Island, WA
Ryan Tam, DDS is a dentist with a practice address in Mercer Island, Washington, and NPI 1740807577, issued on Jun 27, 2020. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Tam
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- Practice location
- 2825 80TH Ave SE Ste 3, Mercer Island, WA 98040
- Phone
- (206) 232-3600
- Enumerated
- Jun 27, 2020
- Record last updated
- Jun 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Also registered at 2825 80TH Ave SE Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Goichi Shiotsu, DDSProsthodontics1710073747
Verify Ryan Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average dentist in 2024
22 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
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.
Ryan Tam among 2,767 dentist records in Washington
Ryan Tam, DDS is one of 2,767 dentist records with a practice address in Washington. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 64% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 dentist records list a practice address in Mercer Island
They are 6 of the 331 NPPES records with a practice address in Mercer Island, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Mercer Island → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Clara Felker, DDSMercer Island, WA 980401235743501
- Priyanka Hosapura Sheshagiri, DDSMercer Island, WA 980401902459035
- Bryan Maruhashi, D.D.S.Mercer Island, WA 980401033207253
- Nadeem Merchant, DMDMercer Island, WA 980401114142841
- Kamaran Shemshaki, DMDMercer Island, WA 980401053423632
- Jessica Ahn, DMDCovington, WA 980421275966178
- Kyle Blair, D.D.S.Covington, WA 980421245546068
- Zoe FernyhoughMaple Valley, WA 980381598309049
Common questions
What is Ryan Tam, DDS's NPI number?
Ryan Tam, DDS's National Provider Identifier (NPI) is 1740807577, issued on Jun 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Tam, DDS located?
The NPPES record lists a practice address at 2825 80TH Ave SE Ste 3, Mercer Island, WA, 98040. Phone: (206) 232-3600. Providers update this record themselves, so call before visiting.
How can I verify Ryan Tam, DDS's license?
Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Tam, DDS prescribe under Medicare Part D?
In 2024, Ryan Tam, DDS had 22 Medicare Part D claims; 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.