JANINE KEIKO KAKU NP
NPI 1831526466
Nurse Practitioner - Acute Care in Castro Valley, CA
About Janine Keiko Kaku Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANINE KEIKO KAKU NP (NPI 1831526466) is an individual acute care provider in Castro Valley, California, licensed in California (23688) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Janine Keiko Kaku Np 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.
Medicare Billing Reassignments
2Medicare enrollment records show Janine Kaku reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
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 94546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Janine Kaku's NPI number?
The NPI number for Janine Kaku is 1831526466. It was assigned to this individual provider in the NPPES registry on September 27, 2013.
Where is Janine Kaku located?
Janine Kaku practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 727-3015.
What is Janine Kaku's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Janine Kaku enrolled in Medicare?
Yes. Janine Kaku 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 organizations bill Medicare for Janine Kaku's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janine Kaku reassigns Medicare benefits to 2 organizations: Eden Emergency Medical Group Inc (Castro Valley, CA) and Bay Area Ear, Nose, And Throat Medical Group (San Leandro, CA). Each 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 Janine Kaku'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 Janine Kaku was last updated on November 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Janine Keiko Kaku, NP · NPI 1831526466
Acute Care physician in Castro Valley, California. Individual provider, active in the CMS NPPES registry since September 27, 2013.
## Identity
- **NPI:** 1831526466 (Entity type: Individual)
- **Enumerated:** September 27, 2013
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 23688 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 20103 LAKE CHABOT RD, Castro Valley, CA 94546-5305
- **Phone:** (510) 727-3015
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Eden Emergency Medical Group Inc (NPI 1891786240, Castro Valley, CA); Bay Area Ear, Nose, And Throat Medical Group (NPI 1558477273, San Leandro, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 10, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1831526466) · Data from the CMS NPPES public registry.