Scott Duncan Mcnaughton, M.D.
Scott Duncan Mcnaughton, M.D. practices as part of a group internist practice in St Charles, IL. Trained at Louisiana State University School of Medicine in New Orleans (class of 1991), he has been practicing for over 35 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data). CMS MIPS quality score: 94.1/100 (2023).
At a glance
- Prescribes opioids less than 30% of reporting doctors in Illinois
- Uses generic medications more than 64% of reporting doctors in Illinois
- Federal MIPS score higher than 46% of MIPS-scored doctors in Illinois
- Virtual visits available — no app or travel required
Older · 4453dNPPES updated 2014-02-25 · verify on CMS
Contact & Location
Practice Location
2900 Foxfield Rd, St Charles, IL 60174-5799
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Illinois, prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202394.1/100
Illinois avg: 88.6 · US avg: 83.6
✓ Higher than most doctors nationally(+10.5 pts)
Average range among MIPS-scored doctors in IllinoisHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better2.58%
Illinois avg: 4.5 · US avg: 5.1
✓ Higher than most doctors nationally(-2.5 pts)
2.58% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better90.1%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+7.3 pts)
Typical range among reporting doctors in IllinoisHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
446
Unique beneficiaries
Standard volumePrescription Recipients
528
Patients prescribed
Prescriptions Written
6,365
Total claims
Total Medicare drug cost: $605k
Percentile rankings compared against 2,844 reporting peers in Illinois.
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+1%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-8%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-12%) — less common here
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.
Graduated medical school · 1991
Louisiana State University School of Medicine in New Orleans
35 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Louisiana State University School of Medicine in New Orleans (Class of 1991)
Virtual Internal Medicine Care With Scott Duncan Mcnaughton
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Scott Duncan Mcnaughton for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to St Charles 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 Scott Duncan Mcnaughton
Dr. Mcnaughton is listed as active in the NPI registry with telehealth listed in St Charles, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (630) 208-3200.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Scott Duncan Mcnaughton
Practice Location
2900 Foxfield Rd, St Charles, IL 60174-5799
Mailing Address
2900 Foxfield Rd, St Charles, IL 60174-5799
This is a provider directory. Contact the office directly to schedule appointments.
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