What is Gary Chen's specialty?

Gary Chen (NPI 1720200132) is a Medicare-billing provider whose primary specialty is Gastroenterology in Las Vegas, NV.

Where does Gary Chen practice?

Gary Chen practices in Las Vegas, NV, based on the location reported in the CMS Medicare provider datasets for NPI 1720200132.

How much does Medicare pay Gary Chen?

Gary Chen (NPI 1720200132) received approximately $143K in total Medicare Part B payments, serving 540 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1720200132

Gary ChenM.D.

GastroenterologyLas Vegas, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,099

Unique beneficiaries

—

Total services

2,104

Distinct HCPCS

Medicare payment

$131K

Peer benchmark

Total Medicare services vs. 83 Gastroenterology providers in NV — top quintile (cohort median 843).

PRESCRIBING · PART D · 2024

Total Rx claims

2,364

Beneficiaries

—

Total drug cost

$238K

Distinct drugs

Brand share

41.2%

Top prescribed drugs

Lactulose537 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl417 claims

Pantoprazole Sodium299 claims

Linaclotide244 claims

Omeprazole120 claims

QUALITY · MIPS · 2024

Final MIPS score

98.4

Quality

96.8

Cost

77.4

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.98%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Gary Chen'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). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Southwest Medical Associates Inc. Ambulatory Surgical Center · Las Vegas, NV	26	38
Quest Diagnostics Incorporated Clinical Laboratory · Las Vegas, NV	20	72

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