Harjyot Chahal, M.D.
Endocrinology, Diabetes & Metabolism
Also practices: INTERNAL MEDICINE
Harjyot Chahal, M.D. has practiced internal medicine for 23+ years, working in group practice. She has been practicing since 2010 — over 23 years. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and diabetes.
Older · 205dNPPES updated 2025-10-16 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
870 N Milwaukee Ave Fl 2, Vernon Hills, IL 60061-1521
How Does This Doctor Compare?
Generic Rx
↑ Higher = better38.1%
Illinois avg: 82.9 · US avg: 82.8
⚠ Lower than most doctors nationally(-44.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
253
Unique beneficiaries
Standard volumePrescription Recipients
246
Patients prescribed
Prescriptions Written
1,686
Total claims
Total Medicare drug cost: $1.27M
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 Diabetes.
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 (+4%) — 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 (+27%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+2%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+5%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+18%) — 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 (+2%) — 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
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$70 received from industry
2 transactions reported in 2024 ·Low 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 Harjyot Chahal's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Oct 15, 2025
Self-reported via NPPES
23 years in practice
Experienced
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Virtual Endocrinology, Diabetes & Metabolism Care With Harjyot Chahal
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Harjyot Chahal for cholesterol management, blood pressure monitoring, diabetes check-ins — no travel to Vernon Hills 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 Harjyot Chahal
Dr. Chahal is listed as active in the NPI registry with telehealth listed in Vernon Hills, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (847) 535-7647.
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 Harjyot Chahal
Practice Location
870 N Milwaukee Ave Fl 2, Vernon Hills, IL 60061-1521
Mailing Address
870 N Milwaukee Ave Fl 2, Vernon Hills, IL 60061-1521
This is a provider directory. Contact the office directly to schedule appointments.
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