CASEY SATOSHI YAMASHITA MD
NPI 1316392673
Internal Medicine - Geriatric Medicine in Los Angeles, CA

Active since April 24, 2016PECOS Enrolled
1520 SAN PABLO ST STE 1000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2020, Aug 5, 2020, Mar 24, 2020 and 1 more (4 updates tracked since 2019).

About Casey Satoshi Yamashita Md NPPES

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

CASEY SATOSHI YAMASHITA MD (NPI 1316392673) is an individual geriatric medicine provider in Los Angeles, California, licensed in California (A153887) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316392673
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameCASEY SATOSHI YAMASHITACredential: MD
Location Address1520 SAN PABLO ST STE 1000Los Angeles, CA 90033-5312
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100
Sole ProprietorNo
Enumeration DateApril 24, 2016
Last NPPES UpdateNovember 27, 20234 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2020
✔ NPI 1316392673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in CA · A153887
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License A153887 (CA)
1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Casey Satoshi Yamashita Md 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 Casey Yamashita reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 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 90033 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

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

Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Internal Medicine (Hospice and Palliative Medicine)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Internal Medicine (Nephrology)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Internal Medicine (Infectious Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Nurse Practitioner
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Internal Medicine (Infectious Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Nurse Practitioner (Family)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033

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 Casey Yamashita's NPI number?

The NPI number for Casey Yamashita is 1316392673. It was assigned to this individual provider in the NPPES registry on April 24, 2016.

Where is Casey Yamashita located?

Casey Yamashita practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Casey Yamashita's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Casey Yamashita enrolled in Medicare?

Yes. Casey Yamashita is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Casey Yamashita's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Casey Yamashita reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, 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 Casey Yamashita'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 Casey Yamashita was last updated on November 27, 2023. 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.