What is Tri Nguyen's specialty?

Tri Nguyen (NPI 1669436002) is a Medicare-billing provider whose primary specialty is Ophthalmology in Fountain Valley, CA.

Where does Tri Nguyen practice?

Tri Nguyen practices in Fountain Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1669436002.

How much does Medicare pay Tri Nguyen?

Tri Nguyen (NPI 1669436002) received approximately $271K in total Medicare Part B payments, serving 654 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669436002

Tri NguyenM.D.

OphthalmologyFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,825

Unique beneficiaries

—

Total services

4,647

Distinct HCPCS

Medicare payment

$255K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

4,151

Beneficiaries

—

Total drug cost

$2.0M

Distinct drugs

Brand share

70.3%

Top prescribed drugs

Cyclosporine1,021 claims

Cyclosporine780 claims

Cyclosporine564 claims

Brimonidine Tartrate/Timolol204 claims

Prednisolone Acetate176 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Tri 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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	66	147
Newport Bay Surgery Center, Llc Ambulatory Surgical Center · Newport Beach, CA	55	195
Hoang Nguyen Internal Medicine · Fountain Valley, CA	29	125
OPFELL, AMY	25	81
NPI 1295791093	18	63
Michael Dao Internal Medicine · Garden Grove, CA	17	50
Cton Corporation Clinical Laboratory · Torrance, CA	13	32
Tao Duong Cardiology · Westminster, CA	13	18
CASSIDY, DAVID	12	13
Long Dang Gastroenterology · Westminster, CA	11	16
Robert Devereaux Family Practice · Fountain Valley, CA	11	20

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