PROVIDER PROFILE · NPI 1841234952

Si NguyenM.D.

PathologyGarden Grove, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

476

Unique beneficiaries

—

Total services

810

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 1,209 Pathology providers in CA — below median (cohort median 1,423).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

93.4

Quality

88.6

Cost

77.9

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.77%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$146

Payment records

By payment type

Food and Beverage$146

REFERRAL NETWORK

Where Si Nguyen'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Reza Shahbaz Diagnostic Radiology · Orange, CA	89	185
Naser Rahbar Diagnostic Radiology · Anaheim, CA	74	228
PRIME HEALTHCARE HUNTINGTON BEACH, LLC	56	82
Thomas Ho Anesthesiology · Garden Grove, CA	46	53
Asaad Hakim Pulmonary Disease · Garden Grove, CA	37	95
Jason Shin Gastroenterology · Pomona, CA	37	85
RO, KYUNG	26	27
Khaled Chan Pulmonary Disease · Westminster, CA	26	84
Hong Kim Internal Medicine · Garden Grove, CA	24	60
Elizabeth Nghiem Infectious Disease · Fountain Valley, CA	20	42
James Lee Anesthesiology · Garden Grove, CA	20	27
SHARZER, MARK	20	34

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