PROVIDER PROFILE · NPI 1518163161

Karen ChengM.D.

NeurologyLaguna Hills, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

382

Unique beneficiaries

—

Total services

606

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 1,670 Neurology providers in CA — above median (cohort median 581).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

29.9%

Top prescribed drugs

Zolpidem Tartrate23 claims

Doxepin Hcl20 claims

Zolpidem Tartrate12 claims

Clonazepam11 claims

Gabapentin11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Karen Cheng'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SADDLEBACK MEMORIAL MEDICAL CENTER	80	340
Unilab Corporation Clinical Laboratory · West Hills, CA	30	104
HARRIS HISTOLOGY SERVICES	15	22
Kimvir Dhillon Endocrinology · Laguna Hills, CA	14	56
CHENG, HENRY	13	62
Seyed Shahrokni Diagnostic Radiology · Santa Monica, CA	11	28

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