What is Steven Yamaguchi's specialty?

Steven Yamaguchi (NPI 1912958349) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Fairfield, OH.

Where does Steven Yamaguchi practice?

Steven Yamaguchi practices in Fairfield, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1912958349.

How much does Medicare pay Steven Yamaguchi?

Steven Yamaguchi (NPI 1912958349) received approximately $41K in total Medicare Part B payments, serving 352 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1912958349

Steven YamaguchiMD

PRACTICEEMPSee all providers at this practice →

Emergency MedicineFairfield, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

371

Unique beneficiaries

—

Total services

396

Distinct HCPCS

Medicare payment

$37K

Peer benchmark

Total Medicare services vs. 2,183 Emergency Medicine providers in OH — above median (cohort median 340).

PRESCRIBING · PART D · 2024

Total Rx claims

284

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

43.3%

Top prescribed drugs

Hydrocodone/Acetaminophen52 claims

Ondansetron37 claims

Ciprofloxacin Hcl35 claims

Prednisone28 claims

Azithromycin25 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 Steven Yamaguchi'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). 44 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
RCHP-WILMINGTON, LLC	103	289
City Of Cincinnati Ambulance Service Provider · Cincinnati, OH	67	145
David Kuhlman Diagnostic Radiology · Blue Ash, OH	41	70
James Havey Diagnostic Radiology · Columbus, OH	40	81
Brian Skillicorn Diagnostic Radiology · Blue Ash, OH	39	61
Matthew Moore Diagnostic Radiology · Blue Ash, OH	33	47
JEWISH HOSPITAL LLC	33	72
Philip Munschauer Diagnostic Radiology · Blue Ash, OH	33	49
UNIVERSITY OF CINCINNATI MEDICAL CENTER, LLC	32	96
CORNWELL, JAMES	28	44
Eugene Paik Diagnostic Radiology · Blue Ash, OH	28	43
CHRONIS, ALEX	27	38

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