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Physician Profile

Warren Hsiao, MD

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At a glance

About Dr. Hsiao

Warren Hsiao, MD is a healthcare provider in Harbor City, CA specializing in internal medicine. This provider record is associated with NPI 1316095391.

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

Education & Training

Medical School Other Graduated: 1994

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 55179CurrentExpires Nov 2027Since 1995
NPINational Provider Identifier
1316095391Issued 2007

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 Dr. Hsiao?

Dr. Hsiao is an internist in Harbor City, 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. Hsiao's address?

Dr. Hsiao is listed at 25825 Vermont Ave, Harbor City, CA 90710. 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. Hsiao?

The number on file is (310) 325-5111. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Hsiao?

Dr. Hsiao's National Provider Identifier is 1316095391. 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. Hsiao train?

Dr. Hsiao attended Other, graduating in 1994. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Hsiao have?

Dr. Hsiao has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.

CMS public data

Is Dr. Hsiao's profile verified?

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

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

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