Physician Profile

Elbert K. Chang, MD

Unclaimed Profile

About Dr. Chang

Based in Montclair, CA, Elbert K. Chang, MD is listed in the NPI registry under pulmonary disease. According to Medicare claims data, Elbert cared for 946 Medicare patients across 2,445 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month, and chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month.

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

Medical School Other Graduated: 1998

Specialty

Pulmonary Disease (Primary)

Credentials & Licensing

CA licenseA89864
NPI1053417808
NPI issued09/16/2006

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
Telehealth reported to CMSYes
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 does Dr. Chang specialize in?

Dr. Chang is a lung specialist in Montclair, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.

NPI registry

Where is Dr. Chang located?

Dr. Chang is listed at 9525 Monte Vista Ave Ste 105, Montclair, CA 91763. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Chang's phone number?

The number on file is (909) 626-1205. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Chang's NPI number?

Dr. Chang's National Provider Identifier is 1053417808. 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 Dr. Chang go to medical school?

Dr. Chang attended Other, graduating in 1998. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Chang been practicing?

Dr. Chang has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Chang do most often?

According to Medicare billing data, Dr. Chang provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using sensors, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Chang confirmed this information?

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.