What is Gen Maruyama's specialty?

Gen Maruyama (NPI 1518917392) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Lakewood, CO.

Where does Gen Maruyama practice?

Gen Maruyama practices in Lakewood, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1518917392.

How much does Medicare pay Gen Maruyama?

Gen Maruyama (NPI 1518917392) received approximately $56K in total Medicare Part B payments, serving 1,100 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1518917392

Gen MaruyamaM.D.

PRACTICENEUROSURGERY ONESee all providers at this practice →

Diagnostic RadiologyLakewood, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,101

Unique beneficiaries

—

Total services

1,118

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

Total Medicare services vs. 594 Diagnostic Radiology providers in CO — below median (cohort median 2,668).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

86.6

Quality

86.8

Cost

77.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.49%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$224

Payment records

By payment type

Food and Beverage$224

Top paying entities

Food and Beverage$224

REFERRAL NETWORK

Where Gen Maruyama'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). 110 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CATHOLIC HEALTH INITIATIVES COLORADO	569	834
NPI 1396781134	137	287
Clinton Anderson Diagnostic Radiology · Lakewood, CO	127	190
Trent Paradis Diagnostic Radiology · Lakewood, CO	114	171
GUAY, JEFFREY	111	149
Matthew Cushing Diagnostic Radiology · Lakewood, CO	105	134
William Berger Diagnostic Radiology · Tucson, AZ	96	141
Charles Norton Diagnostic Radiology · Lakewood, CO	94	135
NPI 1326017526	91	107
Steven Ross Diagnostic Radiology · Lakewood, CO	75	91
Kurt Husum Diagnostic Radiology · Lakewood, CO	66	100
MOULTON, JEFFREY	66	104

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