Physician Profile

Hans D. Gruenn, M.D.

Unclaimed Profile

About Dr. Gruenn

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Specialty

Family Medicine (Primary)

Credentials & Licensing

CA licenseA51484
NPI1649398371
NPI issued03/27/2007

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.

Medicare information

Medicare opt-outYes, since October 2015
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 is Hans D. Gruenn's specialty?

Hans D. Gruenn is a family doctor in Ojai, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where can I find Hans D. Gruenn?

Hans D. Gruenn is listed at 350 W. Ojai Ave #107, Ojai, CA 93023. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Hans D. Gruenn?

The number on file is (058) 633-9121. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Hans D. Gruenn?

Hans D. Gruenn's National Provider Identifier is 1649398371. 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 much experience does Hans D. Gruenn have?

Hans D. Gruenn has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Hans D. Gruenn's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Hans D. Gruenn. 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.