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

Dr. Kathy Yeachyng Chang, MD, MPH

Individual provider Preventive Medicine/Occupational Environmental Medicine Physician · NPI 1043357742

Dr. Kathy Yeachyng Chang, MD, MPH is a Preventive Medicine/Occupational Environmental Medicine Physician in Portland, Oregon. Works from 3 locations. Licensed in Oregon and Washington.

Licensed in
OR, WA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

1620 NE 122nd Ave
Portland, OR 97230
Phone: (800) 813-2000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3449 N Anchor St, Portland, OR 97217-7679 — (503) 285-6627
  • 17700 Se Mill Plain Blvd Ste 190, Vancouver, WA 98683-7582 — (800) 813-2000

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence MD26244 (OR)
Preventive Medicine/Occupational Environmental Medicine Physician Taxonomy 2083P0500X · Licence MD26244 (OR)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence MD60201740 (WA)

Record details

NPI number1043357742
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJanuary 31, 2007
Last updated in NPPESFebruary 25, 2026
Certification dateFebruary 25, 2026

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