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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alan D S Chan, MD

Diagnostic Radiology Physician in Lynnwood, WA · enumerated 2005 · practices at Radia Oregon Radiology Medical Group Billing LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1609863240

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Registry record

Entity type Individual (Type 1)
Name Dr. Alan D S Chan
Credential MD
Sex Male
Practice address 19020 33rd Ave W Ste 210, Lynnwood, WA, 98036
Fax (425) 563-1501
Enumeration date Sep 29, 2005
Last updated in NPPES Jan 7, 2019

Taxonomy & licenses

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License MD00038633 (WA) Secondary
2085N0700X Neuroradiology Physician Allopathic & Osteopathic Physicians · License MD00038633 (WA) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 6071 (AK) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License M-12279 (ID) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD00038633 (WA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
8256349 Medicaid WA -
0175497 Other WA LNI-EVERGREEN RADIA
0386386 Other WA LNI-RADIA-REST OF WA
156861 Other WA PROV # LABOR & INDUSTRIES
1015963 Medicaid AK -
135543 Other WA PROV # LABOR & INDUSTRIES
0205686 Other WA LNI-SWEDISH RADIA
0381078 Other WA LNI-SOUTH SOUND
1609863240 Medicaid ID -
135542 Other WA PROV # LABOR & INDUSTRIES

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.

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Frequently asked questions

What is the NPI number for Alan Chan?
The National Provider Identifier (NPI) for Alan Chan is 1609863240, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alan Chan practice?
The practice location on file with NPPES is in Lynnwood, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-07.