PROVIDER PROFILE · NPI 1619976644

Stephen NguyenMD

Internal MedicineSun City, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

7,838

Unique beneficiaries

—

Total services

10,248

Distinct HCPCS

Medicare payment

$418K

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

12,930

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

171

Brand share

21.5%

Top prescribed drugs

Atorvastatin Calcium823 claims

Rosuvastatin Calcium778 claims

Levothyroxine Sodium625 claims

Amlodipine Besylate411 claims

Tamsulosin Hcl300 claims

QUALITY · MIPS · 2024

Final MIPS score

85.8

Quality

92.7

Cost

62.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.45%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$858

Payment records

By payment type

Food and Beverage$848

Education$10

REFERRAL NETWORK

Where Stephen 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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	56	227
Md Tox Laboratory Clinical Laboratory · Irvine, CA	52	94
William Kelly Diagnostic Radiology · Palm Desert, CA	34	78
UNIVERSAL HEALTH SERVICES OF RANCHO SPRINGS INC	19	44
William Smith Ophthalmology · Temecula, CA	12	19
Alvin Hensel Diagnostic Radiology · Hemet, CA	12	42
KPC GLOBAL MEDICAL CENTERS, INC.	11	36
Herman Lu Cardiology · Murrieta, CA	11	35

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