Are you Joseph S. Chan, M.D.? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Joseph S. Chan, M.D.

Is this you? Edit this profile

At a glance

About Dr. Chan

Joseph S. Chan, M.D. is a healthcare provider in Fontana, CA specializing in hematology & oncology. Joseph trained at Vanderbilt University School of Medicine, graduating in 2001. According to Medicare claims data, the services billed most often include infusion, normal saline solution , 1000 cc. This provider record is associated with NPI 1497796189.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 99860CurrentExpires May 2027Since 2007
NPINational Provider Identifier
1497796189Issued 2006

Snapshot · verify with the 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 Joseph S. Chan specialize in?

Joseph S. Chan is a cancer specialist in Fontana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.

NPI registry

Where is Joseph S. Chan located?

Joseph S. Chan is listed at 9985 Sierra Ave, Fontana, CA 92335. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Joseph S. Chan's phone number?

The number on file is (909) 427-5000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Joseph S. Chan?

Joseph S. Chan's National Provider Identifier is 1497796189. 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 Joseph S. Chan train?

Joseph S. Chan attended Vanderbilt University School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Joseph S. Chan have?

Joseph S. Chan has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.

CMS public data

What does Joseph S. Chan do most often?

According to Medicare billing data, Joseph S. Chan 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 Joseph S. Chan's profile verified?

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

Guide.md

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

A GigHz company · Founder: Pouyan Golshani, MD