What is John Yamashita's specialty?

John Yamashita (NPI 1558355024) is a Medicare-billing provider whose primary specialty is Pathology in Mission Hills, CA.

Where does John Yamashita practice?

John Yamashita practices in Mission Hills, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1558355024.

How much does Medicare pay John Yamashita?

John Yamashita (NPI 1558355024) received approximately $52K in total Medicare Part B payments, serving 417 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558355024

John YamashitaM.D.

PathologyMission Hills, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,010

Unique beneficiaries

—

Total services

1,600

Distinct HCPCS

Medicare payment

$50K

Peer benchmark

Total Medicare services vs. 1,209 Pathology providers in CA — above median (cohort median 1,423).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

98.5

Quality

76.9

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.99%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John 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). 84 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	580	1,147
Shendee Teng Diagnostic Radiology · San Marino, CA	219	610
WILEN, BARRY	208	602
David Broumandi Diagnostic Radiology · Mission Hills, CA	202	736
Henry Shih Diagnostic Radiology · Los Angeles, CA	184	538
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	115	199
Unilab Corporation Clinical Laboratory · West Hills, CA	114	350
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	102	192
Edwin Yellin Infectious Disease · Northridge, CA	87	190
Mohammad Nahed Internal Medicine · Mission Hills, CA	87	441
SAMPSON, GRETCHEN	65	106
Robert Moghimi Gastroenterology · Simi Valley, CA	65	148

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