What is Sherif Rezk's specialty?

Sherif Rezk (NPI 1457557324) is a Medicare-billing provider whose primary specialty is Pathology in Orange, CA.

Where does Sherif Rezk practice?

Sherif Rezk practices in Orange, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1457557324.

How much does Medicare pay Sherif Rezk?

Sherif Rezk (NPI 1457557324) received approximately $567K in total Medicare Part B payments, serving 7,978 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1457557324

Sherif RezkM.D.

PRACTICEUC REGENTSSee all providers at this practice →

PathologyOrange, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

26,085

Unique beneficiaries

—

Total services

54,049

Distinct HCPCS

Medicare payment

$549K

Peer benchmark

Total Medicare services vs. 1,209 Pathology providers in CA — top quintile (cohort median 1,423).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

83.7

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$135

Payment records

By payment type

Food and Beverage$135

Top paying entities

Food and Beverage$135

REFERRAL NETWORK

Where Sherif Rezk'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 · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Deepa Jeyakumar Hematology-Oncology · Orange, CA	13	53
Byron J Allen Internal Medicine · Orange, CA	11	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF CALIFORNIA IRVINE	46	319
Deepa Jeyakumar Hematology-Oncology · Orange, CA	16	119
SOMMERS, KAREN R	14	60
CYRLAK, DVORA	13	47
Byron J Allen Internal Medicine · Orange, CA	12	27
Marisa Tseng Diagnostic Radiology · Duarte, CA	11	18

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