What is Sam Zeim's specialty?

Sam Zeim (NPI 1558631655) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Los Angeles, CA.

Where does Sam Zeim practice?

Sam Zeim practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1558631655.

How much does Medicare pay Sam Zeim?

Sam Zeim (NPI 1558631655) received approximately $84K in total Medicare Part B payments, serving 1,466 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558631655

Sam ZeimM.D.

Diagnostic RadiologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,467

Unique beneficiaries

—

Total services

2,491

Distinct HCPCS

Medicare payment

$78K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — above median (cohort median 2,975).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Sam Zeim'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). 86 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Christopher Smith Diagnostic Radiology · Edina, MN	393	1,242
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	224	465
FELDMAN, DAVID	168	498
Elham Ghadishah Internal Medicine · Culver City, CA	146	412
Jaskaran Dhingsa Family Practice · San Pedro, CA	125	367
Nathaniel Leong Family Practice · San Pedro, CA	110	366
Erik Vonhagen Internal Medicine · Honolulu, HI	103	293
Knef Lizaso Emergency Medicine · Las Vegas, NV	102	244
Ramakrishna Reddy Cardiology · San Pedro, CA	101	302
Israel Hernandez-Arce Internal Medicine · San Pedro, CA	99	303
Robert Webman Gastroenterology · Torrance, CA	92	438
Westmed Ambulance Inc Ambulance Service Provider · Compton, CA	89	212

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