PROVIDER PROFILE · NPI 1003839242

Marcus LumMD

PRACTICECAREMORE HEALTH PLANSee all providers at this practice →

Family PracticeLa Mirada, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

254

Unique beneficiaries

—

Total services

333

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — above median (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

6,970

Beneficiaries

—

Total drug cost

$553K

Distinct drugs

120

Brand share

23.1%

Top prescribed drugs

Atorvastatin Calcium780 claims

Amlodipine Besylate314 claims

Levothyroxine Sodium287 claims

Lisinopril284 claims

Rosuvastatin Calcium279 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050169

Hospital

REFERRAL NETWORK

Where Marcus Lum'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 · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	23	57
PIH HEALTH WHITTIER HOSPITAL	20	42

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	46	97
PIH HEALTH WHITTIER HOSPITAL	27	64

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