Physician Profile

Winston Chang, M.D.

Unclaimed Profile

About Dr. Chang

Based in Portland, OR, Winston Chang, M.D. is listed in the NPI registry under anesthesiology. Winston graduated from New York Medical College in 2006. According to Medicare claims data, Winston cared for 58 Medicare patients across 58 services. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, and anesthesia for other procedure on upper abdomen.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Education & Training

Specialty

Anesthesiology (Primary)
Anesthesiology (Additional)

Credentials & Licensing

OR licenseMD165571
CA licenseA112510
NPI1669625828
NPI issued10/30/2008

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Winston Chang?

Winston Chang is an anesthesiologist in Portland, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is Winston Chang's address?

Winston Chang is listed at 707 Sw Washington St Suite 700, Portland, OR 97205. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Winston Chang?

The number on file is (503) 299-9906. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Winston Chang's NPI number?

Winston Chang's National Provider Identifier is 1669625828. 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

Where did Winston Chang train?

Winston Chang attended New York Medical College, graduating in 2006. This comes from the CMS National Downloadable File.

CMS public data

How long has Winston Chang been practicing?

Winston Chang has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.

CMS public data

What procedures does Winston Chang perform?

According to Medicare billing data, Winston Chang provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Winston Chang confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Winston Chang. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.