PROVIDER PROFILE · NPI 1528054095

Derek NguyenMD

PRACTICEDEREK NGUYEN MD INCSee all providers at this practice →

Internal MedicineRiverside, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,375

Unique beneficiaries

—

Total services

8,452

Distinct HCPCS

Medicare payment

$698K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

16,813

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

212

Brand share

20.8%

Top prescribed drugs

Atorvastatin Calcium1,141 claims

Amlodipine Besylate628 claims

Levothyroxine Sodium550 claims

Lisinopril483 claims

Metformin Hcl456 claims

QUALITY · MIPS · 2024

Final MIPS score

87.5

Quality

74.2

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.52%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$778

Payment records

By payment type

Food and Beverage$778

REFERRAL NETWORK

Where Derek 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). 70 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
RIVERSIDE HEALTHCARE SYSTEM, L.P.	558	2,062
Unilab Corporation Clinical Laboratory · West Hills, CA	222	939
Ardavan Afshar Diagnostic Radiology · Riverside, CA	173	704
Andro Sharobiem Internal Medicine · Riverside, CA	171	804
Mina Mikhail Internal Medicine · Riverside, CA	130	486
Shareef Riad Diagnostic Radiology · San Diego, CA	76	248
PARKVIEW COMMUNITY HOSPITAL MEDICAL CENTER	75	239
MINA N MIKHAIL MD INC	66	122
Johnny Liquete Infectious Disease · Moreno Valley, CA	65	285
Galen Huang Gastroenterology · Riverside, CA	64	223
MORNING STAR PALLIATIVE & HOSPICE INC.	63	258
David Lebeau Diagnostic Radiology · Riverside, CA	58	152

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