About
As a skilled Internist / Geriatrician, Dr. Maria Andrievskaya offers expert diagnostic services and management for a wide range of adult health issues. Practicing in Chatham, ON, she serves the surrounding communities with a focus on providing comprehensive, evidence-based care. Her practice adheres to the standards and guidelines established by the College of Physicians and Surgeons of Ontario (CPSO), ensuring high-quality medical services for her patients.
Dr. Andrievskaya graduated with a Medical Degree from Samara State Medical University in 2004 in Russia. She has completed extensive post-graduate medical training, including specialty certification in Internal Medicine and Geriatric Care, equipping her with the expertise to manage complex adult health conditions across a broad spectrum of medical disciplines.
Her clinical philosophy is grounded in an evidence-based and informative approach, emphasizing personalized patient-centered care. She is committed to serving the adult and senior populations in Chatham, providing care in English, and ensuring that her patients are well-informed and actively involved in their health decisions.

Dr. Andrievskaya provides expert care for adults with a wide range of medical conditions, including:
Select Infectious & Inflammatory Conditions
- Complex Infections Consultation: Providing diagnostic and management expertise for challenging infections, often in consultation with primary care.
- Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.
- Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.
Geriatric Syndromes & Focused Elder Care
- Delirium Prevention & Management: Identifying risk factors for delirium (acute confusion) in hospitalized or ill older adults and implementing management strategies.
- Nutritional Assessment & Weight Loss: Investigating unintentional weight loss and malnutrition, providing guidance on nutritional support for older adults.
- Frailty Assessment & Management: Identifying and managing frailty to improve resilience, maintain function, and enhance quality of life in older adults.
Complex Diagnostic & Multi-System Issues
- Perioperative Medical Optimization: Pre-surgical assessment and management of medical conditions to minimize operative risks and ensure smoother recovery.
- Management of Patients with Multiple Comorbidities: Coordinating care and treatment plans for individuals managing several complex health conditions simultaneously.
- Evaluation of Undifferentiated Symptoms: Investigating complex presentations like fatigue, weight loss, or pain without a clear diagnosis.
Dr. Andrievskaya manages a wide range of complex adult and geriatric health conditions. This list highlights common areas of focus. If your condition is not listed, please note that internal medicine specialists address diverse and often multi-systemic diseases. Consultation is typically initiated via referral from your primary care physician.
- Thyroid Disorder Management: Diagnosis and ongoing management of conditions like hypothyroidism, hyperthyroidism, and thyroid nodules.
- Internal Medicine Consultation for Primary Care: Providing specialist opinion and management recommendations to family physicians for complex adult patient cases.
- Non-Surgical Management of Cardiovascular Conditions: Medical management of conditions like stable coronary artery disease, heart failure, arrhythmias, and hypertension.
- Osteoporosis and Bone Health Management: Screening, diagnosis, and treatment of osteoporosis to prevent fractures in older adults.
- Consultation for Undiagnosed Symptoms: Expert evaluation for patients experiencing persistent or puzzling symptoms that require specialized diagnostic investigation to determine the underlying cause.
Note: This list represents some of the key services offered by Dr. Andrievskaya. As a specialist in Internal Medicine and Geriatric Care, she provides comprehensive diagnostic and management services. For specific inquiries about whether your condition falls within Dr. Andrievskaya's scope of practice, please discuss with your referring physician or contact the clinic.
All medical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO).
Dr. Andrievskaya's practice is situated near the central neighborhood of Chatham, Ontario, within a healthcare facility that is conveniently accessible to local residents. The clinic is located within The Ottawa Hospital, providing easy access for patients from surrounding communities. The location is close to local points of interest such as the Chatham-Kent Health Alliance and the Chatham Public Library. Patients can reach the clinic via local public transit routes, which connect the area to the broader Chatham region. The facility is wheelchair accessible. Parking is available at the facility.
- How is payment handled for appointments with Dr. Andrievskaya? Is it covered by Ontario Health Insurance Plan (OHIP)?
- In ON, medical consultations with specialists like Dr. Andrievskaya are typically covered by your provincial health insurance (Ontario Health Insurance Plan (OHIP)) when you present a valid health card and have the required referral. You generally do not pay directly for the consultation service itself. Some specific procedures, forms, or administrative tasks might not be covered by Ontario Health Insurance Plan (OHIP) and may incur a separate fee according to provincial guidelines. Please inquire if you have questions about uninsured services.
- Can I book an appointment directly or do I absolutely need a referral?
- A referral from your family physician or another medical specialist is required to see Dr. Andrievskaya. As experts in Internal Medicine and Geriatric Care, Internists and Geriatricians see patients based on specific medical questions posed by the referring doctor. This ensures continuity of care and that the consultation is appropriate for your needs. Please have your doctor forward the referral information.
- What is the appointment cancellation policy?
- We understand that unforeseen circumstances arise. If you need to cancel or reschedule your appointment, please provide at least 24-48 hours' notice so we can offer the time slot to another patient waiting for consultation. Failure to provide sufficient notice may result in a missed appointment fee (if applicable per clinic policy). Please contact the office directly to make changes.
- Can a family member or friend accompany me to the appointment?
- Yes, absolutely. Patients are welcome to bring a family member, friend, or caregiver to their appointment for support, to help recall information, or to ask questions. Especially for complex discussions or if memory is a concern, having a second person present can be very beneficial.
- Does Dr. Maria Andrievskaya discuss goals of care or advance care planning?
- Yes, discussing goals of care is an important part of patient-centered practice, especially in managing chronic illness or in geriatric care. Dr. Andrievskaya encourages conversations about patient values, preferences for future medical treatment, and advance care planning (including identifying a substitute decision-maker) to ensure care aligns with what matters most to the patient. She can provide information and facilitate these discussions.
The Ottawa Hospital
80 Grand Ave W, Hospital Medicine Program
Chatham, ON N7L 1B7
Phone: (519) 352-6400
The facility is wheelchair accessible.
Dr. Andrievskaya is a licensed physician regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Medicine Act, 1991 in ON. Patients are typically seen by referral from their primary care physician.
Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Andrievskaya-Maria/0332610-122672