PROVIDER PROFILE · NPI 1336297290

Garabed NishanianMD

Vascular SurgeryIrvine, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

980

Unique beneficiaries

—

Total services

1,225

Distinct HCPCS

Medicare payment

$187K

Peer benchmark

Total Medicare services vs. 399 Vascular Surgery providers in CA — above median (cohort median 763).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$258

Payment records

By payment type

Food and Beverage$258

REFERRAL NETWORK

Where Garabed Nishanian'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). 6 inbound referrers · 24 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	50	140
Karence Chan Diagnostic Radiology · Newport Beach, CA	18	25
SADDLEBACK MEMORIAL MEDICAL CENTER	17	33
RAI CARE CENTERS OF SOUTHERN CALIFORNIA II, LLC	13	56
Jason Muir Neurology · Newport Beach, CA	13	22
HERREN ENTERPRISES INC	13	21

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOAG MEMORIAL HOSPITAL PRESBYTERIAN	169	377
Unilab Corporation Clinical Laboratory · West Hills, CA	51	150
Jinsoo Keyoung Diagnostic Radiology · Stanford, CA	27	51
Mark Chen Diagnostic Radiology · Newport Beach, CA	26	42
MISSION HOSPITAL REGIONAL MEDICAL CENTER	24	80
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	23	72
CALIFORNIA LABORATORY SCIENCES LLC	21	35
Winston Whitney Diagnostic Radiology · Newport Beach, CA	19	28
Miles Chang Diagnostic Radiology · Newport Beach, CA	19	31
Humberto Wong Diagnostic Radiology · Stanford, CA	18	46
Luke Cheung Diagnostic Radiology · Newport Beach, CA	17	29
Falck Mobile Health Corp Ambulance Service Provider · Orange, CA	17	37

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