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

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