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Physician Profile

Charles B. Nguyen, M.D.

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At a glance

About Dr. Nguyen

Based in Irvine, CA, Charles B. Nguyen, M.D. is listed in the NPI registry under medical oncology. Medicare claims data shows Charles provided 40 services to 27 patients. 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 and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1902303431 identifies this record in the national registry.

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

Education & Training

School Other Graduated: 2018

Specialty

Medical Oncology (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 195487CurrentExpires Jun 2028Since 2024
NPINational Provider Identifier
1902303431Issued 2018

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 kind of doctor is Charles B. Nguyen?

Charles B. Nguyen is an oncologist in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.

NPI registry

What is Charles B. Nguyen's address?

Charles B. Nguyen is listed at 1000 Fivepoint, Irvine, CA 92618. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Charles B. Nguyen?

The number on file is (949) 671-4673. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Charles B. Nguyen?

Charles B. Nguyen's National Provider Identifier is 1902303431. 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 Charles B. Nguyen train?

Charles B. Nguyen attended Other, graduating in 2018. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Charles B. Nguyen have?

Charles B. Nguyen has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.

CMS public data

What procedures does Charles B. Nguyen perform?

According to Medicare billing data, Charles B. Nguyen 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 Charles B. Nguyen's profile verified?

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

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