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

Andrew T Chang, MD

Individual provider Anesthesiology Physician · NPI 1861542722

Andrew T Chang, MD is an Anesthesiology in Seattle, Washington. Graduated from Medical College of Wisconsin in 1994, 32 years ago. Practices with Physicians Anesthesia Service PLLC, a 186-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
32
Trained at
Medical College of Wisconsin
Licensed in
WA
In the registry since
2007
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

1229 Madison St Ste 1440
Seattle, WA 98104-3586
Phone: (206) 625-0578
Fax: (206) 625-9184
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD00034700 (WA)

Record details

NPI number1861542722
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 11, 2007
Last updated in NPPESApril 14, 2008

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1994 (32 years in practice)
Group practice Physicians Anesthesia Service Pllc — 186 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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