PROVIDER PROFILE · NPI 1609839299

Tan Nguyen

PRACTICEDAT Q NGUYEN, MD, INCSee all providers at this practice →

Internal MedicineGarden Grove, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

1,833

Beneficiaries

—

Total drug cost

$135K

Distinct drugs

Brand share

15.4%

Top prescribed drugs

Atorvastatin Calcium181 claims

Amlodipine Besylate108 claims

Gabapentin94 claims

Metformin Hcl75 claims

Losartan Potassium66 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$21

Payment records

By payment type

Food and Beverage$21

REFERRAL NETWORK

Where Tan 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). 63 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA	85	296
PHAM, TAM-THAO	85	428
CLAIREMONT HEALTHCARE & WELLNESS CENTRE, LLC	68	513
David Riker Pulmonary Disease · San Diego, CA	68	419
SHARP MEMORIAL HOSPITAL	65	304
TONY TAN NGUYEN MD INC	62	271
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC	53	211
Lawrence Bogle Diagnostic Radiology · San Diego, CA	34	557
Asim Guha Roy Internal Medicine · San Diego, CA	33	113
ALVARADO HOSPITAL, LLC	32	65
Max Laufer Inc. Ambulance Service Provider · Lemon Grove, CA	31	80
Scott Boles Diagnostic Radiology · San Diego, CA	28	107

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