Sijun Yang, MD
Sijun Yang is an Internal Medicine specialist based in Bolingbrook, IL with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Sijun Yang, MD has been part of the Bolingbrook medical community since 2008 in independent practice. With 37+ years of experience, he has been practicing in the Bolingbrook area. Among his Medicare patients, common conditions include hypertension, high cholesterol, and diabetes (per CMS data).
At a glance
- Uses generic medications more than 69% of reporting doctors in Illinois
- Virtual visits available — no app or travel required
Older · 1616dNPPES updated 2021-12-20 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
454 W Boughton Rd Ste C, Bolingbrook, IL 60440-1378
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better90.8%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+8 pts)
Typical range among reporting doctors in IllinoisHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
124
Unique beneficiaries
Standard volumePrescription Recipients
199
Patients prescribed
Prescriptions Written
2,681
Total claims
Total Medicare drug cost: $258k
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 Diabetes.
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 (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+13%) — 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
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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-1%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%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.
Board certified · Jan 10, 2021
Self-reported via NPPES
37 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
Virtual Internal Medicine Care With Sijun Yang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Sijun Yang for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Bolingbrook 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 Sijun Yang
NPI records show Dr. Yang as active with telehealth listed in Bolingbrook, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (630) 778-8571.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Sijun Yang
Practice Location
454 W Boughton Rd Ste C, Bolingbrook, IL 60440-1378
Mailing Address
454 W Boughton Rd Ste C, Bolingbrook, IL 60440-1378
This is a provider directory. Contact the office directly to schedule appointments.
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