Diana C Mcnulty
Diana C Mcnulty is an Internal Medicine specialist based in Freeport, IL with over 35 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 35 years in internal medicine, Diana C Mcnulty is a long-established internist in Freeport. Trained at Oregon Health Sciences University School of Medicine (class of 1991), she has been practicing for over 35 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data). CMS MIPS quality score: 82.57/100 (2023).
At a glance
- Prescribes opioids less than 22% of reporting doctors in Illinois
- Uses generic medications more than 42% of reporting doctors in Illinois
- Federal MIPS score higher than 19% of MIPS-scored doctors in Illinois
- Virtual visits available — no app or travel required
Older · 3134dNPPES updated 2017-10-23 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202382.57/100
Illinois avg: 88.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-1 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better3.81%
Illinois avg: 4.5 · US avg: 5.1
✓ Higher than most doctors nationally(-1.3 pts)
3.81% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better86.8%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+4 pts)
Typical range among reporting doctors in IllinoisHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
313
Unique beneficiaries
Standard volumePrescription Recipients
726
Patients prescribed
Prescriptions Written
12,246
Total claims
Total Medicare drug cost: $1.26M
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 Hypertension, High Cholesterol, and Arthritis.
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%Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ 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 (-8%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-10%) — 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
Oregon Health Sciences University School of Medicine
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
Oregon Health Sciences University School of Medicine (Class of 1991)
Mailing address
421 W Exchange St Po Box 268, Freeport, IL 61032-4030
Differs from practice location
Virtual Internal Medicine Care With Diana C Mcnulty
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Diana C Mcnulty for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Freeport 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 Diana C Mcnulty
Dr. Mcnulty is listed as active in the NPI registry with telehealth listed in Freeport, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (815) 599-7880.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Diana C Mcnulty
Practice Location
1010 Fairway Dr, Freeport, IL 61032-6600
Mailing Address
421 W Exchange St Po Box 268, Freeport, IL 61032-4030
This is a provider directory. Contact the office directly to schedule appointments.
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