What is Robert Sitarz's specialty?

Robert Sitarz (NPI 1831307677) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Thousand Oaks, CA.

Where does Robert Sitarz practice?

Robert Sitarz practices in Thousand Oaks, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1831307677.

How much does Medicare pay Robert Sitarz?

Robert Sitarz (NPI 1831307677) received approximately $914K in total Medicare Part B payments, serving 1,388 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831307677

Robert SitarzMD

Diagnostic RadiologyThousand Oaks, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,943

Unique beneficiaries

—

Total services

35,870

Distinct HCPCS

Medicare payment

$897K

Peer benchmark

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

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

91.3

Quality

75.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.68%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Robert Sitarz'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	147	327
COMMUNITY MEMORIAL HEALTH SYSTEM	39	80
DIGNITY HEALTH	21	29
LOS ROBLES REGIONAL MEDICAL CENTER	20	24
Steven Henderson Diagnostic Radiology · Los Angeles, CA	19	30
Barry Berkowitz Diagnostic Radiology · Houston, TX	15	19
Daniel Goba Internal Medicine · Oxnard, CA	14	19
Donald Decker Diagnostic Radiology · Thousand Oaks, CA	14	21
Raj Bhatia Critical Care (Intensivists) · Oxnard, CA	14	23
Bernard Gero Diagnostic Radiology · Santa Monica, CA	11	13

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