DIANE KAY KOESTER RN, NP
NPI 1962663658
Nurse Practitioner - Adult Health in La Jolla, CA

Q: What is Diane Koester's NPI number?

The NPI number for Diane Koester is 1962663658. It was assigned to this individual provider in the NPPES registry on June 24, 2008. The provider is also known as Diane Kay Koester-Wilkerson Rn, Np.

Q: What is Diane Koester's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Diane Koester was last updated on July 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 24, 2008PECOS Enrolled

9834 GENESEE AVE STE 300, LA JOLLA, CA 92037(858) 625-4488(858) 625-7995 Get Directions Write a Review

NPPES record last updated: July 20, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Diane Kay Koester Rn, Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANE KAY KOESTER RN, NP (NPI 1962663658) is an individual adult health provider in La Jolla, California, licensed in California (NP 11678) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962663658

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameDIANE KAY KOESTERCredential: RN, NP

Location Address9834 GENESEE AVE STE 300La Jolla, CA 92037-1215

Mailing Address9834 Genesee Ave Ste 300La Jolla, CA 92037-1215 · (858) 625-4488 · Fax (858) 625-7995

Phone(858) 625-4488

Fax(858) 625-7995

Sole ProprietorNo

Enumeration DateJune 24, 2008

Last NPPES UpdateJuly 20, 2011

✔ NPI 1962663658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in CA · NP 11678

9834 GENESEE AVE STE 300, La Jolla, CA 92037

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Other Names 1

Other Name (5)Diane Kay Koester-wilkerson Rn, Np

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diane Kay Koester Rn, Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.87 typical visit price

range $62.10 – $184.71

Typical copayment $23.71 (range $15.52 – $46.17)

Most-billed visit code 99203

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. RACHEL HANNAH FLORES MACAM RD

Dietitian, Registered