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Physician Profile

Jason C. Chang, MD, MS

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At a glance

About Dr. Chang

Based in Milpitas, CA, Jason C. Chang, MD, MS is listed in the NPI registry under internal medicine. NPI 1104990704 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Medical School Other Graduated: 1992

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 83105CurrentExpires Dec 2028Since 2003
NPINational Provider Identifier
1104990704Issued 2006

Snapshot · verify with the 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 Dr. Chang?

Dr. Chang is an internist in Milpitas, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Dr. Chang's address?

Dr. Chang is listed at 770 E Calaveras Blvd, Milpitas, CA 95035. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Chang?

The number on file is (650) 945-2900. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Chang's NPI number?

Dr. Chang's National Provider Identifier is 1104990704. 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 train?

Dr. Chang attended Other, graduating in 1992. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Chang been practicing?

Dr. Chang has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.

CMS public data

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.

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