Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Steven Matthew Ming-Hao Tan, OD
Optometrist in Woodinville, WA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1689392342
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Registry record
Entity type Individual (Type 1)
Name Steven Matthew Ming-Hao Tan
Credential OD
Sex Male
Practice address 24008 Snohomish Woodinville Rd, Woodinville, WA, 98072
Phone (425) 806-7704
Fax (425) 806-7730
Enumeration date Aug 18, 2022
Last updated in NPPES Jul 29, 2024
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Steven Tan?
The National Provider Identifier (NPI) for Steven Tan is 1689392342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Steven Tan practice?
The practice location on file with NPPES is in Woodinville, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Costco Wholesale Corporation Community/Retail Pharmacy · Woodinville, WA NPI 1801906441 Sofiya Alibhai Optometrist · Woodinville, WA NPI 1417081886 Anita Bao Optometrist · Woodinville, WA NPI 1629222302 Vicky Mcfarlane Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Woodinville, WA NPI 1053692004 Karen Nguyen Pharmacist · Woodinville, WA NPI 1417239211 Ho Yee Cheung Pharmacist · Woodinville, WA NPI 1942564877 Fred Lee Pharmacist · Woodinville, WA NPI 1588054498 Costco Wholesale Corporation Eyewear Supplier · Woodinville, WA NPI 1508257718
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-29.