Physician Profile

Walter Chang, MD

Unclaimed Profile

About Dr. Chang

Based in Duarte, CA, Walter Chang, MD is listed in the NPI registry under anesthesiology. Walter graduated from New York Medical College in 2001. Medicare claims data shows Walter provided 167 services to 167 patients. The services billed most often include insertion of artery tube for blood sampling or infusion through skin, 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.

Education & Training

Specialty

Anesthesiology (Primary)

Credentials & Licensing

CA licenseA90067
NPI1497851919
NPI issued09/15/2006

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 is Dr. Chang's specialty?

Dr. Chang is an anesthesiologist in Duarte, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where can I find Dr. Chang?

Dr. Chang is listed at 1500 E Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Chang?

The number on file is (626) 359-8111. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Chang?

Dr. Chang's National Provider Identifier is 1497851919. 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

What is Dr. Chang's medical education?

Dr. Chang attended New York Medical College, graduating in 2001. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Chang have?

Dr. Chang has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Chang known for?

According to Medicare billing data, Dr. Chang performs procedures including insertion of artery tube for blood sampling or infusion through skin; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for other procedure on upper abdomen. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Chang's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. 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.