What is Michael Spieth's specialty?

Michael Spieth (NPI 1134229859) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Marshfield, WI.

Where does Michael Spieth practice?

Michael Spieth practices in Marshfield, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1134229859.

How much does Medicare pay Michael Spieth?

Michael Spieth (NPI 1134229859) received approximately $173K in total Medicare Part B payments, serving 3,953 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134229859

Michael SpiethMD

Diagnostic RadiologyMarshfield, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

7,761

Unique beneficiaries

—

Total services

8,594

Distinct HCPCS

Medicare payment

$164K

Peer benchmark

Total Medicare services vs. 749 Diagnostic Radiology providers in WI — top quintile (cohort median 2,525).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Michael Spieth'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). 1 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Devinderjit Singh Cardiology · Yuba City, CA	15	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
OROVILLE HOSPITAL	23	49
Gregory Schneringer Pathology · Oroville, CA	18	27

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