John Marion Rossi, DDS
General Practice Dentistry · Sammamish, WA
John Marion Rossi, DDS is a general practice dentistry with a practice address in Sammamish, Washington, and NPI 1003953878, issued on Jan 31, 2007. Check the license (Washington DE 5315, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Marion Rossi
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DE 5315 WA
Self-reported in NPPES; status is on the state search - Practice location
- 504 228TH Ave NE, Sammamish, WA 98074
- Phone
- (425) 868-3887
- Enumerated
- Jan 31, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (485) 868-8339
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,196 in Washington → Look up another NPI →
Verify John Marion Rossi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE 5315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Marion Rossi among 3,196 general practice dentistry records in Washington
John Marion Rossi, 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 not. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 37% newer
- In a Medicare fileNo · 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).
11 general practice dentistry records list a practice address in Sammamish
They are 11 of the 398 NPPES records with a practice address in Sammamish, and 3,196 general practice dentistry records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,196 in Washington → Every provider in Sammamish → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Rebecca Carratt, DMDSammamish, WA 980741255915021
- Mepa Desai, DDSSammamish, WA 980741679715734
- Helga Ding, D.D.S.Sammamish, WA 980741285855858
- Robert Humble, D.D.S.Sammamish, WA 980741205081486
- Li-Kuei Hung, D.D.S.Sammamish, WA 980741851381651
- Rhonda Newton, DDSSammamish, WA 980741902039084
- Adam Newton, DMDSammamish, WA 980741174367429
- Meghaben Patel, DMDSammamish, WA 980741992395404
Common questions
What is John Marion Rossi, DDS's NPI number?
John Marion Rossi, DDS's National Provider Identifier (NPI) is 1003953878, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Marion Rossi, DDS located?
The NPPES record lists a practice address at 504 228TH Ave NE, Sammamish, WA, 98074. Phone: (425) 868-3887. Providers update this record themselves, so call before visiting.
How can I verify John Marion Rossi, DDS's license?
NPPES lists Washington license number DE 5315, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.