Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Mark T Chan, MD

Individual provider Specialist · NPI 1689779530

Mr. Mark T Chan, MD is an Allergy/Immunology in Clackamas, Oregon. Qualified in 1992, 34 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment.

Years since qualifying
34
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10180 SE Sunnyside Rd Dept OF Allergy
Clackamas, OR 97015-8970
Phone: (503) 571-2724
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X

Record details

NPI number1689779530
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 14, 2006
Last updated in NPPESJuly 8, 2007
Mailing address10180 Se Sunnyside Rd, Dept Of Allergy, Clackamas, OR 97015-8970

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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