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ADRIENNE ALEXIS SALVADOR YAMAMOTO APRN, FNP-BC
NPI 1437920816
Nurse Practitioner in Simi Valley, CA

Active since January 12, 2024PECOS Enrolled
2845 COCHRAN ST STE B, SIMI VALLEY, CA 93065(805) 394-3815 Get Directions Write a Review

NPPES record last updated: March 27, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Adrienne Alexis Salvador Yamamoto Aprn, Fnp-bc NPPES

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

ADRIENNE ALEXIS SALVADOR YAMAMOTO APRN, FNP-BC (NPI 1437920816) is an individual nurse practitioner in Simi Valley, California, licensed in California (95028446) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS and maintains a secondary practice location in Simi Valley.

NPPES Registry Identity

NPI1437920816
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameADRIENNE ALEXIS SALVADOR YAMAMOTOCredential: APRN, FNP-BC
Location Address2845 COCHRAN ST STE BSimi Valley, CA 93065-7905
Mailing Address2514 Keswick CtSimi Valley, CA 93063-5316
Phone(805) 394-3815
Sole ProprietorYes
Enumeration DateJanuary 12, 2024
Last NPPES UpdateMarch 27, 2024
NPPES CertifiedMarch 27, 2024
✔ NPI 1437920816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95028446
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2845 COCHRAN ST STE B, Simi Valley, CA 93065
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Secondary Practice Location 1

Location 12514 Keswick CtSimi Valley, CA 93063-5316 · Phone (818) 574-9631

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adrienne Alexis Salvador Yamamoto Aprn, Fnp-bc 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.

Medicare Billing Reassignment

Medicare enrollment records show Adrienne Alexis Yamamoto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lakeside Medical Organization, A Medical Group Inc.
7.6 mi
Internal Medicine
8501 FALLBROOK AVE STE 300
West Hills, CA 91304
  • Reassigned Medicare billing, California enrollment
  • 205 clinicians in this Medicare group
NPI 1831426642 (818) 654-3400

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 93065 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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 2

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

MIKEY THANTERAPHONG
Nurse Practitioner
2845 COCHRAN ST STE B
SIMI VALLEY, CA 93065
Ventura County (818) 835-7355
RPMD MEDICAL, PC
Nurse Practitioner (Family)
2845 COCHRAN ST STE B
SIMI VALLEY, CA 93065
Ventura County (805) 504-1904

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 Adrienne Alexis Yamamoto's NPI number?

The NPI number for Adrienne Alexis Yamamoto is 1437920816. It was assigned to this individual provider in the NPPES registry on January 12, 2024.

Where is Adrienne Alexis Yamamoto located?

Adrienne Alexis Yamamoto practices at 2845 Cochran St Ste B, Simi Valley, CA 93065. The listed phone number is (805) 394-3815.

What is Adrienne Alexis Yamamoto's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Adrienne Alexis Yamamoto enrolled in Medicare?

Yes. Adrienne Alexis Yamamoto is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Adrienne Alexis Yamamoto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adrienne Alexis Yamamoto reassigns Medicare benefits to Lakeside Medical Organization, A Medical Group Inc. (West Hills, 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 Adrienne Alexis Yamamoto'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 Adrienne Alexis Yamamoto was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.