PROVIDER PROFILE · NPI 1912010257

Haig NajarianMD

GastroenterologyOrange, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

980

Unique beneficiaries

—

Total services

2,248

Distinct HCPCS

Medicare payment

$143K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — top quintile (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

893

Beneficiaries

—

Total drug cost

$229K

Distinct drugs

Brand share

12.2%

Top prescribed drugs

Omeprazole316 claims

Pantoprazole Sodium140 claims

Famotidine79 claims

Linaclotide41 claims

Lansoprazole41 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

20.9

Cost

75.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

114

By payment type

Food and Beverage$2K

Education$17

REFERRAL NETWORK

Where Haig Najarian'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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	92	342
PATHOLOGY, INC.	76	90
Peter Piampiano Diagnostic Radiology · Knoxville, TN	30	67
Hieu Truong Diagnostic Radiology · Orange, CA	27	61
Craig Ennis Internal Medicine · Clarksville, TN	26	52
Kirk Ohanian Diagnostic Radiology · Fort Worth, TX	23	44
Dan Vu Diagnostic Radiology · Orange, CA	22	38
NAKAMOTO, STANLEY	20	24
Richard Cho Interventional Radiology · Orange, CA	15	35
Mark Masotto Diagnostic Radiology · Orange, CA	14	29
Shu Yuan Liao Pathology · Orange, CA	13	37
Jason Caberto Internal Medicine · Orange, CA	13	37

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