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PROVIDER PROFILE · NPI 1306945365

Duc NguyenMD

Internal MedicineSimi Valley, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (11)

CCN 058299
Home health agency
CCN 058332
Home health agency
CCN 058366
Home health agency
CCN 059010
Home health agency
CCN 559050
Home health agency
CCN 050107
Hospital
CCN 050236
Hospital
CCN 050394
Hospital
CCN 050549
Hospital
CCN 260183
Hospital
CCN 555770
Nursing home
PRESCRIBING · PART D · 2024
Total Rx claims
9,665
Beneficiaries
—
Total drug cost
$2.0M
Distinct drugs
154
Brand share
24.4%
Top prescribed drugs
Fluticasone/Umeclidin/Vilanter500 claims
Atorvastatin Calcium430 claims
Amlodipine Besylate398 claims
Prednisone302 claims
Levothyroxine Sodium271 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,063
Unique beneficiaries
—
Total services
7,253
Distinct HCPCS
21
Medicare payment
$621K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$5K
Payment records
90
By payment type
Food and Beverage$3K
Consulting Fee$2K
Education$98
QUALITY · MIPS · 2024
Final MIPS score
88.6
Quality
76.8
Cost
65.6
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.57%
Individual
REFERRAL NETWORK

Where Duc 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). 71 inbound referrers · 124 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
LOS ROBLES REGIONAL MEDICAL CENTER3111,690
Unilab Corporation
Clinical Laboratory · West Hills, CA
2621,176
American Medical Response Ambulance Service Inc
Ambulance Service Provider · Moorpark, CA
197880
David Aufrichtig
Diagnostic Radiology · Thousand Oaks, CA
142753
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES141712
Sanjiv Sheel
Diagnostic Radiology · Edina, MN
131677
Jason Lee
Diagnostic Radiology · Thousand Oaks, CA
119505
Monica Amantia
Diagnostic Radiology · Studio City, CA
119698
Barry Klein
Diagnostic Radiology · Thousand Oaks, CA
106440
Catherine Moses
Diagnostic Radiology · Thousand Oaks, CA
103444
Mounir El Fatmi
Internal Medicine · Thousand Oaks, CA
77694
Haimesh Shah
Internal Medicine · Camarillo, CA
73553
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
2361,082
LOS ROBLES REGIONAL MEDICAL CENTER190921
American Medical Response Ambulance Service Inc
Ambulance Service Provider · Moorpark, CA
119513
Michael Hlinka
Diagnostic Radiology · Thousand Oaks, CA
118558
David Aufrichtig
Diagnostic Radiology · Thousand Oaks, CA
108528
Sanjiv Sheel
Diagnostic Radiology · Edina, MN
107504
Vijay Kumar
Internal Medicine · Simi Valley, CA
105486
Monica Amantia
Diagnostic Radiology · Studio City, CA
101503
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES93392
Jason Lee
Diagnostic Radiology · Thousand Oaks, CA
93396
Ruth Polan
Diagnostic Radiology · Thousand Oaks, CA
87324
Jasbir Tiwana
Internal Medicine · Simi Valley, CA
83559
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.