What is Gary Chen's specialty?

Gary Chen (NPI 1902978141) is a Medicare-billing provider whose primary specialty is Internal Medicine in Brooklyn, NY.

Where does Gary Chen practice?

Gary Chen practices in Brooklyn, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1902978141.

How much does Medicare pay Gary Chen?

Gary Chen (NPI 1902978141) received approximately $57K in total Medicare Part B payments, serving 97 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902978141

Gary ChenM.D.

Internal MedicineBrooklyn, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

332

Unique beneficiaries

—

Total services

636

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

Total Medicare services vs. 7,864 Internal Medicine providers in NY — above median (cohort median 552).

PRESCRIBING · PART D · 2024

Total Rx claims

37,318

Beneficiaries

—

Total drug cost

$4.7M

Distinct drugs

195

Brand share

24.2%

Top prescribed drugs

Atorvastatin Calcium2,043 claims

Diclofenac Epolamine1,845 claims

Icosapent Ethyl1,674 claims

Losartan Potassium1,295 claims

Mometasone Furoate1,258 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$807

Payment records

By payment type

Food and Beverage$807

Top paying entities

Food and Beverage$807

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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Empire City Laboratories, Inc Clinical Laboratory · Brooklyn, NY	138	743
Lenco Diagnostic Laboratories,inc. Clinical Laboratory · Brooklyn, NY	42	122
Sergio Sokol Cardiology · Hewlett, NY	33	78
MAIMONIDES MEDICAL CENTER	22	99
MIDWOOD AMBULANCE & OXYGEN SERVICE INC	15	842
Andy Huang Hematology · Brooklyn, NY	13	45
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	12	60
Fred Fefer Cardiology · Valley Stream, NY	12	38

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