Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diane Kay Koester, RN, NP

Individual provider Adult Health Nurse Practitioner · NPI 1962663658

Diane Kay Koester, RN, NP is an Adult Health Nurse Practitioner in LA Jolla, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

9834 Genesee Ave Ste 300
LA Jolla, CA 92037-1215
Phone: (858) 625-4488
Fax: (858) 625-7995
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence NP 11678 (CA)

Record details

NPI number1962663658
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , NP
Sole proprietorNo
NPI enumeratedJune 24, 2008
Last updated in NPPESJuly 20, 2011

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