PROVIDER PROFILE · NPI 1669552832

Lan NguyenMD

Internal MedicineOrange, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

653

Unique beneficiaries

—

Total services

1,199

Distinct HCPCS

Medicare payment

$49K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

3,791

Beneficiaries

—

Total drug cost

$444K

Distinct drugs

Brand share

18.6%

Top prescribed drugs

Atorvastatin Calcium466 claims

Losartan Potassium242 claims

Amlodipine Besylate187 claims

Metformin Hcl136 claims

Alendronate Sodium123 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$53

Payment records

By payment type

Food and Beverage$53

REFERRAL NETWORK

Where Lan 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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Byron J Allen Internal Medicine · Orange, CA	48	310
Hiroshi Yoshioka Diagnostic Radiology · Boston, MA	26	79
LIPPA, LINDA	20	98
Joseph Burns Diagnostic Radiology · Santa Barbara, CA	19	58
Teferi Mitiku Internal Medicine · Orange, CA	17	83
Pranav Patel Cardiology · Orange, CA	16	75
Alpesh Amin Internal Medicine · Orange, CA	13	120
Dawn Lombardo Cardiology · Orange, CA	12	46
Marisa Tseng Diagnostic Radiology · Duarte, CA	11	31
GULATI, RAJESH	11	54

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