What is Michael Mahacek's specialty?

Michael Mahacek (NPI 1922021484) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Grand Rapids, MI.

Where does Michael Mahacek practice?

Michael Mahacek practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1922021484.

How much does Medicare pay Michael Mahacek?

Michael Mahacek (NPI 1922021484) received approximately $96K in total Medicare Part B payments, serving 279 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922021484

Michael MahacekMD

PRACTICESTAFF CARESee all providers at this practice →

Radiation OncologyGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

606

Unique beneficiaries

—

Total services

1,312

Distinct HCPCS

Medicare payment

$82K

Peer benchmark

Total Medicare services vs. 158 Radiation Oncology providers in MI — above median (cohort median 1,356).

PRESCRIBING · PART D · 2024

Total Rx claims

114

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

11.4%

Top prescribed drugs

Tamsulosin Hcl101 claims

Oxybutynin Chloride13 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$23

Payment records

By payment type

Food and Beverage$23

Top paying entities

Food and Beverage$23

REFERRAL NETWORK

Where Michael Mahacek'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Brian Kastner Radiation Oncology · East Grand Rapids, MI	181	2,714
Patrick Fabrizio Radiation Oncology · Grand Rapids, MI	162	2,865
SPECTRUM HEALTH PRIMARY CARE PARTNERS	57	304
Matthew Packard Radiation Oncology · Grand Rapids, MI	46	313
REED CITY HOSPITAL CORPORATION	44	268
Yuanbin Chen Hematology-Oncology · Orlando, FL	34	370
Lakeshore Area Radiation Oncology Center Radiation Therapy Center · Holland, MI	28	438
O'ROURKE, TIMOTHY	25	325
PETERSON, NEIL	21	75
Paul Shreve Diagnostic Radiology · Grand Rapids, MI	20	69
SPECTRUM HEALTH UNITED	19	147
Craig Moore Diagnostic Radiology · Grand Rapids, MI	18	70

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