What is Ko Yamada's specialty?

Ko Yamada (NPI 1508046897) is a Medicare-billing provider whose primary specialty is Cardiology in Los Angeles, CA.

Where does Ko Yamada practice?

Ko Yamada practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1508046897.

How much does Medicare pay Ko Yamada?

Ko Yamada (NPI 1508046897) received approximately $7K in total Medicare Part B payments, serving 70 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508046897

Ko YamadaM.D.

CardiologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — bottom quintile (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

3,829

Beneficiaries

—

Total drug cost

$465K

Distinct drugs

Brand share

23.7%

Top prescribed drugs

Furosemide437 claims

Metoprolol Tartrate421 claims

Atorvastatin Calcium389 claims

Dabigatran Etexilate Mesylate331 claims

Carvedilol206 claims

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 Ko Yamada'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). 92 inbound referrers · 196 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jimmie Wong Diagnostic Radiology · Duarte, CA	315	992
Julie Ressler Diagnostic Radiology · Duarte, CA	173	501
SHAW, SARA	159	449
MARX, HOWARD	155	481
Alexander Jung Diagnostic Radiology · Duarte, CA	151	442
ROTTER, ARNOLD	113	323
Unilab Corporation Clinical Laboratory · West Hills, CA	89	226
Maria Santander Hospitalist · Duarte, CA	76	182
Mordecai Dunst Internal Medicine · Duarte, CA	71	580
Massimo D'apuzzo Pathology · Duarte, CA	59	199
Eduardo Siccion Internal Medicine · La Verne, CA	58	166
WAKABAYASHI, MARK	51	222

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CITY OF HOPE NATIONAL MEDICAL CENTER	1,205	8,284
William Boswell Diagnostic Radiology · Duarte, CA	456	1,622
Michael Tran Cardiology · Duarte, CA	269	1,181
Kalyanasundara Venkataraman Cardiology · Duarte, CA	203	993
Jimmie Wong Diagnostic Radiology · Duarte, CA	196	836
Dave Yamauchi Diagnostic Radiology · Duarte, CA	164	386
HORAK, DAVID	159	618
TONG, SUN WING	156	289
Julie Ressler Diagnostic Radiology · Duarte, CA	152	371
CHU, PEIGUO	145	322
WILCZYNSKI, SHARON	132	265
MARX, HOWARD	132	382

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