What is Michael Mazza's specialty?

Michael Mazza (NPI 1639250764) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Ann Arbor, MI.

Where does Michael Mazza practice?

Michael Mazza practices in Ann Arbor, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1639250764.

How much does Medicare pay Michael Mazza?

Michael Mazza (NPI 1639250764) received approximately $39K in total Medicare Part B payments, serving 861 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639250764

Michael MazzaMD

Diagnostic RadiologyAnn Arbor, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,056

Unique beneficiaries

—

Total services

1,083

Distinct HCPCS

Medicare payment

$34K

Peer benchmark

Total Medicare services vs. 1,052 Diagnostic Radiology providers in MI — below median (cohort median 1,966).

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 Michael Mazza'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). 147 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF MICHIGAN	1,281	4,178
REGENTS OF THE UNIVERSITY OF MICHIGAN	139	202
Mohamed Sayyouh Diagnostic Radiology · Ann Arbor, MI	129	196
Aamer Chughtai Diagnostic Radiology · Ann Arbor, MI	112	161
SONDA, L	76	119
FREER, JAMES	72	112
Smita Patel Diagnostic Radiology · Ann Arbor, MI	72	113
Peter Hagan Cardiology · Brighton, MI	71	116
Perry Pernicano Diagnostic Radiology · Ann Arbor, MI	70	91
Dharshan Vummidi Diagnostic Radiology · Ann Arbor, MI	70	118
Aine Kelly Diagnostic Radiology · Ann Arbor, MI	64	91
Eve Losman Emergency Medicine · Ann Arbor, MI	61	100

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