Provider Profile
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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.
1234 EMPIRE ST STE 2200
Fairfield, CA 94533
1400 Emeline Ave
Santa Cruz, CA 95060
2600 S El Camino Real
San Mateo, CA 94403
Jeffrey Leininger is a nurse practitioner in Fairfield, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Jeffrey Leininger is listed at 1234 Empire St Ste 2200, Fairfield, CA 94533. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 648-8128. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Jeffrey Leininger's National Provider Identifier is 1467994244. 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
Jeffrey Leininger has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Jeffrey Leininger. 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.