PROVIDER PROFILE · NPI 1225071509

Thomas ChenM.D., PHD

NeurosurgeryLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

133

Unique beneficiaries

—

Total services

212

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 497 Neurosurgery providers in CA — below median (cohort median 341).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$177

Payment records

By payment type

Food and Beverage$177

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Thomas 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). 3 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Paul Kim Diagnostic Radiology · Los Angeles, CA	30	101
Unilab Corporation Clinical Laboratory · West Hills, CA	14	70
GONZALEZ, ANDRES	11	24

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF SOUTHERN CALIFORNIA	114	751
UNIVERSITY OF SOUTHERN CALIFORNIA	43	206
LIU, CHIA-SHANG	29	107
Wende Gibbs Undefined Physician type · Phoenix, AZ	23	107
Kevin King Undefined Physician type · Phoenix, AZ	22	76
AHMC GARFIELD MEDICAL CENTER LP	18	39
LAW, EU MENG	18	64
Elroy Vojdani General Practice · Los Angeles, CA	17	62
Unilab Corporation Clinical Laboratory · West Hills, CA	13	60
Ashraf Hawari Diagnostic Radiology · Marina Del Rey, CA	13	35
Paul Kim Diagnostic Radiology · Los Angeles, CA	13	57
Christopher Ornelas Interventional Pain Management · Los Angeles, CA	12	52

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