Physician Profile

Carl J. Chang, M.D.

Unclaimed Profile

About Dr. Chang

Carl J. Chang, M.D. is a healthcare provider in Arcadia, CA specializing in dermatology. Carl trained at University of Southern California Keck School of Medicine, graduating in 2003. According to Medicare claims data, Carl cared for 1,548 Medicare patients across 3,527 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of precancer skin growth, 2-14 growths, and destruction of skin growth, 1-14 growths.

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.

Specialty

Dermatology (Primary)

Credentials & Licensing

CA licenseA91493
NPI1891983078
NPI issued10/12/2007

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 Carl J. Chang's specialty?

Carl J. Chang is a dermatologist (skin doctor) in Arcadia, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.

NPI registry

Where can I find Carl J. Chang?

Carl J. Chang is listed at 100 N Santa Anita Ave, Arcadia, CA 91006. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Carl J. Chang?

The number on file is (626) 821-5998. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Carl J. Chang's NPI number?

Carl J. Chang's National Provider Identifier is 1891983078. 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 Carl J. Chang's education?

Carl J. Chang attended University of Southern California Keck School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.

CMS public data

How long has Carl J. Chang been practicing?

Carl J. Chang has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.

CMS public data

What is Carl J. Chang known for?

According to Medicare billing data, Carl J. Chang performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 1 growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Carl J. Chang confirmed this information?

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