Provider Profile

Harold Collins

Unclaimed Profile

About Harold Collins

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Specialty

Credentials & Licensing

CA license30816
NPI1083568869
NPI issued02/26/2026

Source: NPPES NPI Registry

Common questions

Where can I find Harold Collins?

Harold Collins is listed at 2751 Napa Valley Corporate Dr Bldg B, Napa, CA 94558. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Harold Collins?

The number on file is (707) 227-3900. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Harold Collins?

Harold Collins's National Provider Identifier is 1083568869. 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

Is Harold Collins's profile verified?

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

Guide.md

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