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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JUSTINE KU
NPI 1205579703
Psychiatry & Neurology - Psychiatry in El Cajon, CA

Active since April 14, 2022PECOS Enrolled
875 EL CAJON BLVD, EL CAJON, CA 92020(619) 662-4100(619) 785-3410 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 5, 2025, Apr 14, 2022 (2 updates tracked since 2022).

About Justine Ku NPPES

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

JUSTINE KU (NPI 1205579703) is an individual psychiatry provider in El Cajon, California, licensed in California (A190175) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1205579703
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameJUSTINE KU
Location Address875 EL CAJON BLVDEl Cajon, CA 92020-5714
Mailing Address875 El Cajon BlvdEl Cajon, CA 92020-5714 · (619) 662-4100 · Fax (619) 785-3410
Phone(619) 662-4100
Fax(619) 785-3410
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 14, 2022
Last NPPES UpdateOctober 21, 20262 updates tracked since enumeration
NPPES CertifiedOctober 21, 2026
✔ NPI 1205579703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A190175
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
875 EL CAJON BLVD, El Cajon, CA 92020
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Justine Ku is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294279451
PECOS Enrollment IDI20240819000982
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.

Medicare Billing Reassignment

Medicare enrollment records show Justine Ku reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Research Foundation Inc
11 mi
Community/Behavioral Health
545 LAUREL ST
San Diego, CA 92101
  • Reassigned Medicare billing, California enrollment
  • 147 clinicians in this Medicare group
NPI 1225251812 (619) 233-4399

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92020 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
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 20

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

ROXANA CRUZ
Occupational Therapist
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 205-4585
SAMARYA NINUS ZAYA
Student in an Organized Health Care Education/Training Program
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 662-4100
MS. NOOR JANKEEL
Student in an Organized Health Care Education/Training Program
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 806-1054
DR. SUMANA REDDY MD
Allergy & Immunology
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 662-4100
SAMIRA GEORGES YALDA BH CASE MANAGER
Case Manager/Care Coordinator
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 662-4100
SHAHDA M ALTAEE
Community Health Worker
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 662-4100
FAITH JALABE
Peer Specialist
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 662-4100
KERSTEEN S SHAMOON CM
Case Manager/Care Coordinator
875 EL CAJON BLVD
EL CAJON, CA 92020
San Diego County (619) 662-4100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justine Ku's NPI number?

The NPI number for Justine Ku is 1205579703. It was assigned to this individual provider in the NPPES registry on April 14, 2022.

Where is Justine Ku located?

Justine Ku practices at 875 El Cajon Blvd, El Cajon, CA 92020. The listed phone number is (619) 662-4100.

What is Justine Ku's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Justine Ku enrolled in Medicare?

Yes. Justine Ku is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Justine Ku's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justine Ku reassigns Medicare benefits to Community Research Foundation Inc (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justine Ku's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justine Ku was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.