Michael L Mahacek, MD
Michael L Mahacek is a Radiation Oncology Radiology specialist based in Grand Rapids, MI with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 38 years in radiology, Michael L Mahacek, MD is a long-established radiation oncology radiology specialist in Grand Rapids. Trained at Michigan State University College of Human Medicine (class of 1988), he has been practicing for over 38 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and cancer. CMS MIPS quality score: 75/100 (2023).
At a glance
- Federal MIPS score higher than 13% of MIPS-scored doctors in Michigan
- Virtual visits available — no app or travel required
Older · 165dNPPES updated 2025-12-09 · verify NPI on CMS · Verify license at Michigan Board of Medicine
Contact & Location
Practice Location
100 Michigan St Ne, Grand Rapids, MI 49503-2560
How Does This Doctor Compare?
MIPS Score
202375/100
Michigan avg: 85.2 · US avg: 83.6
⚠ Lower than most doctors nationally(-8.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
257
Unique beneficiaries
Standard volumePrescription Recipients
75
Patients prescribed
Prescriptions Written
189
Total claims
Total Medicare drug cost: $5k
Percentile rankings compared against 1,194 reporting peers in Michigan.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+4%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+53%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-2%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-9%) — less common here
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+3%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$23 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Michael L Mahacek's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Michigan State University College of Human Medicine
Board certified · Dec 8, 2025
Self-reported via NPPES
38 years in practice
Senior practitioner
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy: 2085R0001X
Education & Training
Michigan State University College of Human Medicine (Class of 1988)
Virtual Radiation Oncology Care With Michael L Mahacek
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Michael L Mahacek for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Grand Rapids required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Michael L Mahacek
NPI records show Dr. Mahacek as active with telehealth listed in Grand Rapids, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (616) 391-1830.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Michael L Mahacek
Practice Location
100 Michigan St Ne, Grand Rapids, MI 49503-2560
Mailing Address
100 Michigan St Ne, Grand Rapids, MI 49503-2560
This is a provider directory. Contact the office directly to schedule appointments.
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