John S Ferguson, MD
Pulmonary Disease Internal Medicine
John S Ferguson is a Pulmonary Disease Internal Medicine specialist based in Madison, WI with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
John S Ferguson, MD practices as part of a group pulmonologist practice in Madison, WI. Trained at University of Texas Medical Branch at Galveston (class of 1988), he has been practicing for over 38 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and COPD (per CMS data).
Older · 1942dNPPES updated 2021-01-29 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board
Contact & Location
Practice Location
600 Highland Ave, Madison, WI 53792-0001
How Does This Doctor Compare?
Generic Rx
↑ Higher = better22.5%
Wisconsin avg: 82.2 · US avg: 82.8
⚠ Lower than most doctors nationally(-60.3 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
402
Unique beneficiaries
Standard volumePrescription Recipients
41
Patients prescribed
Prescriptions Written
160
Total claims
Total Medicare drug cost: $83k
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.
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 COPD.
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%↓ Fewer patients than average (-1%) — less common here
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+24%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-11%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+12%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+1%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-3%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$13.5k received from industry
10 transactions reported in 2024 ·High 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 John S Ferguson's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
University of Texas Medical Branch
Board certified · Jan 28, 2021
Self-reported via NPPES
38 years in practice
Senior practitioner
Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.
Taxonomy: 207RP1001X
Education & Training
University of Texas Medical Branch at Galveston (Class of 1988)
Mailing address
7974 Uw Health Ct, Middleton, WI 53562-5531
Differs from practice location
Virtual Pulmonary Disease Care With John S Ferguson
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John S Ferguson for blood pressure monitoring, cholesterol management, COPD 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 S Ferguson
Dr. Ferguson 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) 263-7203.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact John S Ferguson
Practice Location
600 Highland Ave, Madison, WI 53792-0001
Mailing Address
7974 Uw Health Ct, Middleton, WI 53562-5531
This is a provider directory. Contact the office directly to schedule appointments.
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