PROVIDER PROFILE · NPI 1679557797

Duke NguyenMD

PRACTICESAMARJIT SINGH MD INCSee all providers at this practice →

GastroenterologyFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

501

Unique beneficiaries

—

Total services

542

Distinct HCPCS

Medicare payment

$58K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

470

Beneficiaries

—

Total drug cost

$91K

Distinct drugs

Brand share

42.3%

Top prescribed drugs

Omeprazole94 claims

Famotidine59 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl54 claims

Peg3350/Sod Sul/Nacl/Kcl/Asb/C45 claims

Sodium, Potassium,mag Sulfates42 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$20K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$17K

Food and Beverage$2K

Travel and Lodging$2K

REFERRAL NETWORK

Where Duke 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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Memorial Care Surgical Center At Orange Coast, Llc Ambulatory Surgical Center · Fountain Valley, CA	35	56
Unilab Corporation Clinical Laboratory · West Hills, CA	30	91
ORANGE COAST MEMORIAL MEDICAL CENTER	30	95
Mile Square Surgery Center Inc Ambulatory Surgical Center · Fountain Valley, CA	22	34
WONG, LARRY	14	16
Ellie Lekov Pathology · Danville, CA	12	22

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