What is Toan Nguyen's specialty?

Toan Nguyen (NPI 1639129711) is a Medicare-billing provider whose primary specialty is Internal Medicine in Long Beach, CA.

Where does Toan Nguyen practice?

Toan Nguyen practices in Long Beach, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1639129711.

How much does Medicare pay Toan Nguyen?

Toan Nguyen (NPI 1639129711) received approximately $133K in total Medicare Part B payments, serving 211 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639129711

Toan NguyenM.D.

PRACTICEALLHEALTH PROFESSIONAL CORPSee all providers at this practice →

Internal MedicineLong Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

545

Unique beneficiaries

—

Total services

1,580

Distinct HCPCS

Medicare payment

$129K

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

546

Beneficiaries

—

Total drug cost

$68K

Distinct drugs

Brand share

21.8%

Top prescribed drugs

Amlodipine Besylate56 claims

Apixaban55 claims

Atorvastatin Calcium55 claims

Pantoprazole Sodium33 claims

Hydralazine Hcl27 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Toan 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). 55 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CURTIS, ERNEST	113	402
ARMANDI, SOROOSH	105	508
Rafael Jimenez Riveros Diagnostic Radiology · Richmond, VA	103	398
Maurice Bell Internal Medicine · Long Beach, CA	95	338
Ameera Ismail Diagnostic Radiology · Los Angeles, CA	65	334
Winfried Waider Cardiology · Long Beach, CA	63	429
Arnold Rappoport Diagnostic Radiology · Long Beach, CA	57	275
Ben Zandpour Internal Medicine · Rancho Palos Verdes, CA	34	124
Kourosh Nourisamie Diagnostic Radiology · Long Beach, CA	34	219
Fernando Mendoza Cardiology · Los Alamitos, CA	32	205
Unilab Corporation Clinical Laboratory · West Hills, CA	31	137
David Tahour Diagnostic Radiology · Long Beach, CA	28	145

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events