Dr. Syed W. Haider

Name: Dr. Syed W. Haider, MD

Specialty: Internal Medicine | Hospital Medicine / Hospitalist

Qualification/Board Certification: MD – University of Health Sciences Antigua

Affiliation(s): Loyola University Medical Center | Northwestern Medicine-McHenry, Huntley, Woodstock Hospitals

Location (City/State): Crystal Lake, Illinois

Languages Spoken: English

Accepting New Patients: Yes

NPI Number: 1912017898

About the Doctor

Dr. Syed W. Haider is a board-eligible internist with more than two decades of dedicated experience in adult medicine, practicing at Central DuPage Physician Group in Crystal Lake, Illinois. He completed his medical training at the University of Health Sciences Antigua and went on to finish his residency in Internal Medicine at St. Luke’s Hospital from 1996 to 1999. Since then, he has built a strong reputation as both a primary care internist and a hospitalist, providing comprehensive care across outpatient and inpatient settings.

Dr. Haider is affiliated with two of Illinois’ highest-ranked hospital systems — Loyola University Medical Center (#15 in Illinois) and Northwestern Medicine-McHenry, Huntley, and Woodstock Hospitals (#10 in Illinois) — reflecting the depth of trust and professional standing he has earned in the medical community. He is frequently recommended by fellow physicians and is widely praised by patients for his attentiveness, thoroughness, and collaborative approach to care.

He holds an active Illinois State Medical License (through 2026) and has previously held licensure in Michigan, Virginia, and Texas, demonstrating a broad clinical background across multiple states.

Education & Training

Medical School: University of Health Sciences Antigua

Residency: Internal Medicine, St. Luke’s Hospital (1996–1999)

Fellowship/Additional Training:  Hospital Medicine / Hospitalist Practice

Medical Conditions Treated

• Chronic Hypertension (High Blood Pressure)
• High Cholesterol (Hyperlipidemia)
• Chronic Diabetes (Type 1 & Type 2)
• Coronary Artery Disease
• Enlarged Prostate (Benign Prostatic Hyperplasia)
• Obesity & Metabolic Disorders
• Thyroid Disorders
• Respiratory Conditions (Asthma, COPD)
• Urinary & Kidney Conditions
• General Adult Preventive Health Concerns

Medical Procedures Performed

• Comprehensive physical examinations
• Chronic disease monitoring and management
• Diagnostic laboratory test ordering and interpretation
• Electrocardiogram (ECG/EKG) evaluation
• Blood pressure and cardiovascular risk assessment
• Diabetes management and glucose monitoring review
• Medication management and prescription oversight
• Referral coordination to specialists
• Inpatient hospital care and hospitalist services
• Preventive health screenings (cancer, cholesterol, diabetes)

Services Offered

Dr. Haider offers a wide range of medical services designed to support the long-term health and wellness of adult patients. His practice emphasizes a whole-patient approach — addressing not just acute illnesses but also the ongoing management of complex, chronic conditions that require close monitoring and individualized care plans.

His outpatient services include routine annual wellness exams, preventive screenings, and health risk assessments tailored to each patient’s age and medical history. For patients managing chronic conditions such as hypertension, diabetes, or heart disease, Dr. Haider provides structured, ongoing disease management programs that include regular follow-up visits, medication adjustments, lifestyle counseling, and coordination with specialists when needed.

As a hospitalist, Dr. Haider also provides inpatient care for patients admitted to affiliated hospitals, overseeing diagnosis, treatment, and transition planning to ensure continuity of care from hospital to home.

Services include:

• Annual wellness exams and preventive care visits
• Chronic disease management (diabetes, hypertension, heart disease, cholesterol)
• Inpatient hospital medicine and hospitalist care
• Medication management and therapy adjustments
• Cardiovascular risk evaluation and monitoring
• Metabolic and endocrine condition management
• Specialist referral and care coordination
• Laboratory and diagnostic test ordering
• Patient health education and lifestyle counseling
• Post-hospitalization follow-up and transition care

Accepted Insurances

• Aetna (EPO, HMO, Medicaid, Medicare, POS, PPO)
• Blue Cross Blue Shield of Michigan (POS, PPO)
• Cigna (PPO)
• CMS Medicare
• Elevance (EPO, HMO, Medicare, POS, PPO)
• HCSC (HMO, PPO)
• Humana (HMO, Medicare, PPO)
• Medica (PPO)
• Molina (HMO, Medicare)
• United Healthcare (HMO, Medicare, POS, PPO)

Practice Locations

Location 1 Central DuPage Physician Group 650 Dakota St, Suite A Crystal Lake, IL 60012 📞 (815) 455-6000

Hospital Affiliations

• Loyola University Medical Center — Maywood, IL (Ranked #15 in Illinois)
• Northwestern Medicine – McHenry, Huntley & Woodstock Hospitals — McHenry, IL (Ranked #10 in Illinois)