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Physician Profile

Joshua M. Chan, DO, MS

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At a glance

About Dr. Chan

Joshua M. Chan, DO, MS practices internal medicine in Orange, CA. The provider's National Provider Identifier (NPI) is 1689317588.

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

Education & Training

Medical School Other Graduated: 2023

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Osteopathic Physician and Surgeon 20AOsteopathic Medical Board of California
No. 23348CurrentExpires Aug 2028Since 2024
CA licenceAs reported to the NPI registry
No. 20A23348As reported
NPINational Provider Identifier
1689317588Issued 2022

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. Chan?

Dr. Chan is an internist in Orange, 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. Chan's address?

Dr. Chan is listed at 101 the City Dr S, Orange, CA 92868. 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. Chan?

The number on file is (714) 456-5691. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Chan's NPI number?

Dr. Chan's National Provider Identifier is 1689317588. 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. Chan train?

Dr. Chan attended Other, graduating in 2023. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Chan been practicing?

Dr. Chan has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Chan confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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