What is Mary Yamashita's specialty?

Mary Yamashita (NPI 1790768299) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Los Angeles, CA.

Where does Mary Yamashita practice?

Mary Yamashita practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1790768299.

How much does Medicare pay Mary Yamashita?

Mary Yamashita (NPI 1790768299) received approximately $57K in total Medicare Part B payments, serving 782 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790768299

Mary YamashitaMD

Diagnostic RadiologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,674

Unique beneficiaries

—

Total services

1,684

Distinct HCPCS

Medicare payment

$55K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — below median (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mary Yamashita's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
RUSSELL, CHRISTY	33	100
Yasir Qazi Nephrology · Orange, CA	31	56
Donna Shoupe Obstetrics & Gynecology · Los Angeles, CA	28	40
Sharon Orrange Internal Medicine · Beverly Hills, CA	21	39
Unilab Corporation Clinical Laboratory · West Hills, CA	20	32
Begum Ozel Obstetrics & Gynecology · Los Angeles, CA	14	33
James Pacino Internal Medicine · Los Angeles, CA	13	31
NPI 1255335535	13	25
Michael Karp Internal Medicine · Los Angeles, CA	11	26

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events