Physician Profile

Rubens Chang, M.D.

Unclaimed Profile

About Dr. Chang

Based in Colorado Springs, CO, Rubens Chang, M.D. is listed in the NPI registry under medical oncology. Rubens graduated from University of Toledo College of Medicine in 2012. Medicare claims data shows Rubens provided 374 services to 305 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Medical Oncology (Primary)
Medical Oncology (Additional)

Credentials & Licensing

CO licenseDR.0058204
NC license2024-01345
NPI1659635159
NPI issued06/28/2012

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 Rubens Chang?

Rubens Chang is an oncologist in Colorado Springs, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.

NPI registry

What is Rubens Chang's address?

Rubens Chang is listed at 525 Bob Peters Grv Ste 202, Colorado Springs, CO 80909. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Rubens Chang?

The number on file is (719) 365-6568. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Rubens Chang?

Rubens Chang's National Provider Identifier is 1659635159. 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 Rubens Chang train?

Rubens Chang attended University of Toledo College of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Rubens Chang have?

Rubens Chang has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.

CMS public data

What procedures does Rubens Chang perform?

According to Medicare billing data, Rubens Chang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Rubens Chang's profile verified?

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