PROVIDER PROFILE · NPI 1023101557

Carl GrushkinM.D.

NephrologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — bottom quintile (cohort median 1,482).

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

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 053302

Hospital

REFERRAL NETWORK

Where Carl Grushkin'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). 1 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CHILDRENS HOSPITAL OF LOS ANGELES	19	232

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CHILDRENS HOSPITAL OF LOS ANGELES	21	272
Gary Lerner Pediatric Medicine · Los Angeles, CA	18	162
Rachel Lestz Nephrology · Los Angeles, CA	16	227

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