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Edit this profileListed in the NPI registry as a specialist, Mark T. Chan, MD practices in Clackamas, OR. NPI 1689779530 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
10180 SE SUNNYSIDE RD DEPT OF ALLERGY
Clackamas, OR 97015
Dr. Chan is a specialist in Clackamas, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Chan is listed at 10180 Se Sunnyside Rd Dept of Allergy, Clackamas, OR 97015. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (503) 571-2724. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chan's National Provider Identifier is 1689779530. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Chan attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chan has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.