What is Mark Rockoff's specialty?

Mark Rockoff (NPI 1679513857) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Tarzana, CA.

Where does Mark Rockoff practice?

Mark Rockoff practices in Tarzana, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1679513857.

How much does Medicare pay Mark Rockoff?

Mark Rockoff (NPI 1679513857) received approximately $28K in total Medicare Part B payments, serving 532 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1679513857

Mark RockoffM.D.

Diagnostic RadiologyTarzana, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

470

Unique beneficiaries

—

Total services

476

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — bottom quintile (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 Mark Rockoff'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	92	196
Maryam Golshan Momeni Diagnostic Radiology · Orange, CA	30	37
Paul Chang Internal Medicine · Buena Park, CA	18	42
Soledad Lee Internal Medicine · Buena Park, CA	14	36
Biocorp Clinical Lab Inc Clinical Laboratory · Whittier, CA	11	27

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