What is Grant Hayashi's specialty?

Grant Hayashi (NPI 1962405290) is a Medicare-billing provider whose primary specialty is Pathology in Reno, NV.

Where does Grant Hayashi practice?

Grant Hayashi practices in Reno, NV, based on the location reported in the CMS Medicare provider datasets for NPI 1962405290.

How much does Medicare pay Grant Hayashi?

Grant Hayashi (NPI 1962405290) received approximately $59K in total Medicare Part B payments, serving 699 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1962405290

Grant HayashiM.D.

PathologyReno, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,245

Unique beneficiaries

—

Total services

1,880

Distinct HCPCS

Medicare payment

$52K

Peer benchmark

Total Medicare services vs. 56 Pathology providers in NV — above median (cohort median 1,466).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

80.2

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Grant Hayashi'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Reno Endoscopy Center, Llc Ambulatory Surgical Center · Reno, NV	522	615
RENOWN REGIONAL MEDICAL CENTER	192	283
CARSON TAHOE REGIONAL HEALTHCARE	188	288
Hong Gao Gastroenterology · Tallahassee, FL	181	290
Swaroop Pendyala Internal Medicine · Carson City, NV	161	272
HARPER, PHILLIP	130	179
John Mcafee Gastroenterology · Carson City, NV	108	145
Eric Osgard Gastroenterology · Reno, NV	86	114
NPI 1306822135	86	119
Jan Kamler Gastroenterology · Monterey, CA	79	103
Victor Chen Gastroenterology · Boise, ID	75	132
James Nachiondo Gastroenterology · Reno, NV	71	111

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