Physician Profile

Jason M. Timmerman, MD

Unclaimed Profile

About Dr. Timmerman

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Specialty

Internal Medicine (Primary)

Credentials & Licensing

HI licenseMDR9241
NPI1083548440
NPI issued06/10/2026

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Common questions

What does Dr. Timmerman specialize in?

Dr. Timmerman is an internist in Honolulu, HI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Dr. Timmerman located?

Dr. Timmerman is listed at 2828 Paa St, Honolulu, HI 96819. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Timmerman's phone number?

The number on file is (833) 833-3333. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Timmerman's NPI number?

Dr. Timmerman's National Provider Identifier is 1083548440. 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. Timmerman confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Timmerman. 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.