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Endocrinology · Diabetes

Dr. Rehan
Umar

MD, MSc, ABIM — Endocrinology Specialist

Endocrinology Diabetes Internal Medicine Weight Management
Accepting new patients — typically within ~1 week
About

About Dr. Umar

I am pleased to be part of the Doctors On Site team as a Specialist in Endocrinology, Diabetes, Internal Medicine, and Weight Management. I am currently seeing patients through our virtual platform and am accepting referrals for comprehensive endocrinology and obesity medicine care.

All of our OHIP-covered programs involve both physicians and a supporting care team, including allied health professionals, to provide comprehensive, patient-centered care. My goal is to deliver evidence-based, timely, and practical specialty care while maintaining clear communication with referring providers.

Expertise

Areas of specialisation

Conditions and concerns Dr. Umar assesses and manages:

Type 1, Type 2 & gestational diabetes
Diabetes technology — CGM, insulin pumps
Thyroid disorders
Obesity and weight management
Pituitary disorders
Adrenal disorders
Parathyroid disorders
Gonadal & hormonal disorders
Metabolic bone disease
Osteoporosis & osteopenia
Dyslipidaemia
Cardiometabolic risk
Credentials

Education & training

MD

Doctor of Medicine

MSc

Master of Science

ABIM

American Board of Internal Medicine

Services Offered

Programs available through Dr. Umar

All consultations delivered virtually across Ontario. In-person procedures arranged as clinically indicated.

Diabetes Management

T1D, T2D, gestational, CGM & pump support

≈ ~1 week

Thyroid Consultation

Hyper/hypothyroidism, nodules, autoimmune thyroid

≈ ~1 week

Weight Management

Medical obesity care, GLP-1, lifestyle programs

≈ ~1 week

Hormonal & Metabolic Care

Pituitary, adrenal, gonadal, parathyroid disorders

≈ ~1 week

Ready to see
Dr. Umar?

Virtual endocrinology consultations available across Ontario — typically within ~1 week. Self-refer or ask your family doctor to send a referral.

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