John Martin Floberg, M.D., PH.D.

Radiation Oncology Radiology

Radiology

John Martin Floberg is a Radiation Oncology Radiology specialist based in Madison, WI with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(608) 263-8500Madison, WI
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

John Martin Floberg, M.D., PH.D. has practiced radiology for 12+ years, working in group practice. He graduated from University of Wisconsin School of Medicine in 2014 and has 12+ years of clinical experience. He regularly sees Medicare patients with cancer, hypertension, and high cholesterol (per CMS claims data).

1 of 34 Radiology providers in WISee all Radiology in Madison12+ years experienceNPI since 2014

Older · 1950dNPPES updated 2021-01-20 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board

Contact & Location

Practice Location

2140, Med 4 Mailbox, Hslc 750 Highland Ave., Madison, WI 53705

CMS Clinical Data

How Does This Doctor Compare?

Opioid Rx

↓ Lower = better

6.61%

Wisconsin avg: 4.3 · US avg: 5.1

Lower than most doctors nationally(+1.5 pts)

6.61% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

346

Unique beneficiaries

Standard volume

Prescription Recipients

153

Patients prescribed

Prescriptions Written

560

Total claims

Total Medicare drug cost: $338k

Percentile rankings compared against 779 reporting peers in Wisconsin.

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.

Patient Condition Panel

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 Cancer, Hypertension, and High Cholesterol.

Cancer
Higher than avg (+54%)75%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+54%) — a focus area for this doctor

Hypertension
Lower than avg (-5%)65%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-5%) — less common here

High Cholesterol
Lower than avg (-5%)65%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-5%) — less common here

Arthritis
Lower than avg (-17%)32%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-17%) — less common here

Diabetes
Lower than avg (-9%)25%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-9%) — less common here

Chronic Kidney Disease
Lower than avg (-5%)25%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-5%) — less common here

Ischemic Heart Disease
Lower than avg (-7%)25%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-7%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2014

    University of Wisconsin School of Medicine and Public Health

  2. Board certified · Jan 19, 2021

    Self-reported via NPPES

  3. 12 years in practice

    Established

RadiologyRadiation Oncology in MadisonAllopathic & Osteopathic Physicians

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

University of Wisconsin School of Medicine (Class of 2014)

Virtual Radiation Oncology Care With John Martin Floberg

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with John Martin Floberg for follow-up consultations, blood pressure monitoring, cholesterol management — no travel to Madison 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 John Martin Floberg

Dr. Floberg is listed as active in the NPI registry with telehealth listed in Madison, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (608) 263-8500.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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