PROVIDER PROFILE · NPI 1568440741

Matthew ZarkaM.D.

PRACTICEMAYO CLINIC ARIZONASee all providers at this practice →

PathologyScottsdale, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,480

Unique beneficiaries

—

Total services

2,518

Distinct HCPCS

Medicare payment

$80K

Peer benchmark

Total Medicare services vs. 218 Pathology providers in AZ — above median (cohort median 1,920).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

86.5

Quality

78.3

Cost

76.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.48%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Matthew Zarka'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). 81 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAYO CLINIC ARIZONA	726	1,563
Prasad Panse Diagnostic Radiology · Scottsdale, AZ	84	170
Mayo Clinic Arizona Ambulatory Surgical Center · Scottsdale, AZ	84	96
Frederick Chen Diagnostic Radiology · Scottsdale, AZ	82	147
Ryan Robetorye Pathology · Scottsdale, AZ	80	114
Clinton Wellnitz Diagnostic Radiology · Scottsdale, AZ	76	133
Scott Swanson Urology · Phoenix, AZ	67	101
LEE, HOWARD	66	93
Maitray Patel Diagnostic Radiology · Scottsdale, AZ	57	144
Kelley Kennedy Internal Medicine · Scottsdale, AZ	56	79
Nirvikar Dahiya Diagnostic Radiology · Scottsdale, AZ	51	104
Erik Castle Urology · New Orleans, LA	49	109

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