Physician Profile

Unclaimed Profile

About FIRST

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Areas of Expertise

Other Healthcare Provider (Primary)

Common questions

What is Dr. First's specialty?

Dr. First is an other healthcare provider in Monrovia, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Other Healthcare Provider”.

NPI registry

Where can I find Dr. First?

Dr. First is listed at 1333 S MAYFLOWER AVE SUITE 220, Monrovia, CA 91016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. First?

The number on file is (818) 241-6780. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. First's NPI number?

Dr. First's National Provider Identifier is 1346162286. 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

Has Dr. First confirmed this information?

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

Guide.md

Licensing & Certification

NPI1346162286
NPI issued07/29/2026

Source: NPPES NPI Registry

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 other healthcare providers at this location 1

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

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.

Other other healthcare providers in Monrovia 7

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.