Dr. Sanjay Kumar Siddha – Dermatologist | Newmarket, ON

Dr. Sanjay Kumar Siddha is a dedicated Dermatologist specializing in the diagnosis and treatment of a wide array of conditions affecting the skin, hair, and nails in adult patients, and may see older children for certain conditions. Practicing at Bovaird Pediatric Clinic in Newmarket, ON, he is a key member of the local medical community. He provides comprehensive medical and surgical dermatological care for a wide variety of skin, hair, and nail conditions, including acne, eczema, psoriasis, and skin cancer detection. Dr. Siddha adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO) to ensure safe and effective patient care.

He graduated with a Medical Degree from Netaji Subhash Chandra Bose Medical College in India and has been practicing as a Dermatologist since 2009, accumulating over 15 years of specialized experience. Dr. Siddha is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO). His extensive training and ongoing professional development enable him to deliver evidence-based dermatological treatments tailored to each patient’s needs.

Committed to a patient-centered approach, Dr. Siddha emphasizes evidence-based skin care, patient education on skin health, and early detection of skin cancers. He strives to provide personalized treatment plans in a comfortable and professional environment, utilizing modern diagnostic tools and therapeutic options. Fluent in English and Hindi, he is dedicated to serving the diverse community of Newmarket with compassion and expertise.

Dr. Sanjay Siddha diagnoses and treats a wide range of skin, hair, and nail conditions, including:

Hair & Scalp Disorders

• Telogen Effluvium: A type of temporary, diffuse hair shedding often triggered by significant stress, illness, surgery, nutritional deficiencies, or hormonal changes (e.g., postpartum).
• Androgenetic Alopecia (Male/Female Pattern Hair Loss): A common hereditary form of hair loss characterized by a receding hairline and thinning crown in men, and diffuse thinning over the top of the scalp in women.

Skin Cancers, Precancerous Lesions & Benign Growths

• Seborrheic Keratosis: Common, benign (non-cancerous) skin growths that often appear waxy, scaly, and slightly raised. Can vary in color from light tan to black.
• Actinic Keratosis (Solar Keratosis): A rough, scaly patch on sun-exposed skin that is considered precancerous and can sometimes progress to squamous cell carcinoma if left untreated.

Acne, Rosacea & Follicular Disorders

• Keratosis Pilaris: A common, harmless condition causing small, rough bumps on the skin, usually on the upper arms, thighs, cheeks, or buttocks, due to keratin buildup in hair follicles.
• Folliculitis (Bacterial, Fungal, Non-infectious): Inflammation of hair follicles, often caused by infection (e.g., Staph aureus, Malassezia) or irritation, leading to itchy or painful bumps, sometimes with pustules.

This list is not exhaustive. For personalized advice regarding your specific dermatological condition, please consult with Dr. Sanjay Siddha.

• Surgical Excision of Skin Cancers (Melanoma, Basal Cell Carcinoma, Squamous Cell Carcinoma) with Margin Control: Complete surgical removal of malignant skin tumors with appropriate microscopic or clinical margins to ensure clearance, often followed by reconstructive closure.
• Eczema (Atopic, Contact, Seborrheic Dermatitis) Management: Treatment plans for various types of chronic inflammatory skin conditions like eczema, focusing on reducing inflammation, relieving itch, restoring skin barrier function, and preventing flare-ups with topical steroids, non-steroidal topicals, phototherapy, and systemic agents including biologics.
• Botulinum Toxin Injections (e.g., Botox®, Dysport®, Xeomin®) for Wrinkles & Hyperhidrosis: Injectable treatments to temporarily relax facial muscles and reduce dynamic wrinkles (e.g., frown lines, crow's feet, forehead lines), or to treat excessive sweating (hyperhidrosis).
• Electrodessication & Curettage (ED&C) for Superficial Skin Cancers & Benign Lesions: Surgical procedure to scrape away superficial skin lesions (e.g., some BCCs, SCCs in situ, warts) and cauterize the base.
• Dermal Fillers (Hyaluronic Acid, Calcium Hydroxylapatite, PLLA) for Volume Restoration & Contouring: Injectable gels (e.g., Juvederm®, Restylane®, Radiesse®, Sculptra®) used to restore facial volume, smooth out static wrinkles and folds, enhance lip volume, and contour facial features.
• Nail Disorder Treatment (Fungal Infections, Psoriasis, Lichen Planus, Ingrown Nails, Tumors): Diagnosis and management of conditions affecting the nails, including infections, inflammatory disorders (like nail psoriasis or lichen planus), structural abnormalities, ingrown nails, and benign or malignant nail unit tumors.
• Phototherapy (Narrowband UVB, Broadband UVB, PUVA, Excimer Laser): Controlled administration of specific wavelengths of ultraviolet light to treat various skin conditions such as psoriasis, eczema, vitiligo, and cutaneous T-cell lymphoma.

Note: This list provides a general overview of medical and potentially some cosmetic services. Treatment plans are highly individualized. Discuss with Dr. Siddha for care relevant to your specific condition. Coverage for services varies; medically necessary treatments are typically covered by provincial health plans, while cosmetic procedures are usually self-pay.

All medical and surgical services (if applicable) are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant dermatological care guidelines. Contact the clinic or your referring physician regarding new patient intake and referral processes.

Dr. Siddha practices at Bovaird Pediatric Clinic located in the vibrant neighborhood of Central Newmarket, Gorham-College Manor. The clinic is easily accessible within Newmarket’s community, situated close to the Mulock GO Station (Future) and well-served by public transit options, including York Region Transit (YRT) / Viva. The facility is wheelchair accessible, ensuring comfort for all patients. Paid parking options are conveniently located nearby, providing easy access for those arriving by car. The clinic’s central location aims to offer accessible, comprehensive dermatological care to the residents of Newmarket and surrounding areas.

Are consultations and dermatological treatments with Dr. Siddha, a Dermatologist, covered by Ontario Health Insurance Plan (OHIP) in ON?

Medically necessary consultations with a licensed Dermatologist like Dr. Siddha, diagnostic procedures (e.g., skin biopsies), and treatments for provincially insured skin conditions (e.g., psoriasis, severe eczema, skin cancer, infections) are generally covered by Ontario Health Insurance Plan (OHIP) in ON when a referral from a family doctor is in place. Purely cosmetic procedures (e.g., Botox for wrinkles, most laser hair removal, fillers for aesthetic enhancement) are typically not covered and are self-pay. It's crucial to discuss coverage specifics for any proposed treatment with Dr. Siddha's office or Ontario Health Insurance Plan (OHIP) beforehand, especially if there's a potential cosmetic component.

Do I need a referral to see Dr. Siddha, a Dermatologist?

Yes, for medically necessary dermatological care covered by the provincial health plan, a referral from your family physician or another specialist (e.g., an ER doctor for an acute issue) is almost always required to see a Dermatologist such as Dr. Siddha. This ensures coordinated care and that your visit is appropriate for specialist assessment. Some dermatologists may offer consultations for uninsured cosmetic services without a referral, but these would be a direct cost to you. Always check with the clinic regarding their specific referral policy.

Dr. Siddha mentioned biologics. What are they for skin conditions?

Biologic medications are a newer class of treatments for moderate to severe inflammatory skin conditions like psoriasis, eczema (atopic dermatitis), and hidradenitis suppurativa, when other treatments haven't been effective enough. Unlike traditional systemic drugs that suppress the broader immune system, biologics are proteins engineered to target very specific parts of the immune system that cause inflammation in these diseases. They are usually given by injection (either by Dr. Siddha's office or self-administered at home) or intravenous (IV) infusion. Dr. Siddha would discuss the specific biologic, its benefits, potential side effects, and monitoring requirements if it's a suitable option for you.

How often should I see a Dermatologist like Dr. Siddha for skin cancer screening?

The recommended frequency for skin cancer screenings by a Dermatologist like Dr. Siddha varies based on your individual risk factors. These include a personal or family history of skin cancer (especially melanoma), having many moles (e.g., >50) or atypical moles, fair skin that burns easily, a history of excessive sun exposure or tanning bed use, or a suppressed immune system. Your family doctor can assess your risk, or Dr. Siddha can provide a personalized recommendation after an initial consultation. Regardless of professional check-ups, performing monthly self-skin exams to monitor for any new or changing lesions (using the ABCDEs of melanoma as a guide) is crucial for early detection.

Bovaird Pediatric Clinic
Units 11 and 12, 679 Davis Drive
Newmarket, ON L3Y 5G8

Phone: (905) 235-5232 | Fax: (905) 235-5231

The facility is wheelchair accessible.

Dr. Siddha is a licensed Dermatologist regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from a family physician is typically required for consultations with Dr. Siddha for medically necessary services covered by the provincial health plan. Cosmetic consultations may have different requirements.

Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Siddha-Sanjay-Kumar/0244609-87552