Physician Profile

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About JOSEPH

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Areas of Expertise

Emergency Medicine (Primary)

Common questions

What is Dr. Joseph's specialty?

Dr. Joseph is an emergency physician in Castro Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.

NPI registry

Where can I find Dr. Joseph?

Dr. Joseph is listed at 20103 LAKE CHABOT RD, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Joseph?

The number on file is (209) 342-2300. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Joseph's NPI number?

Dr. Joseph's National Provider Identifier is 1396729158. 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

How long has Dr. Joseph been practicing?

Dr. Joseph has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Joseph confirmed this information?

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

Guide.md

Licensing & Certification

CA licenseG35591
NPI1396729158
NPI issued12/05/2005

Source: NPPES NPI Registry

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Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Other emergency physicians at this location 7

Same specialty, same street address — most likely the same department or group.

Related specialists at this location 5

Clinically related specialties at the same address — the people this provider most likely works alongside.

Also at this address 4

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

More connections — 2 related providers in 1 group

Other emergency physicians in Castro Valley 2

Same specialty, same city.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.