Whether you’re due for a routine checkup or managing a chronic condition, the JCMG Internal Medicine team is here to support your health journey with expert, compassionate care. Internal medicine focuses on adult health, diagnosing, treating, and preventing a wide range of illnesses, while helping patients maintain long-term wellness through personalized care and preventive strategies.
JCMG’s internal medicine providers include both physicians and advanced practice professionals who deliver personalized and specialized care. Each provider brings unique expertise to help patients manage complex conditions, address acute concerns, or maintain overall wellness through thoughtful, individualized treatment.
Below, you’ll find a list of our Internal Medicine physicians and specialists, along with a brief overview of their services and expertise.
JCMG Internists
These providers specialize in general internal medicine, offering primary care services as well as non-surgical care for both common and complex adult illnesses:
Indumathi Baskar, MD
Dr. Baskar provides comprehensive care for adults, focusing on both common and complex medical conditions. Her thoughtful approach helps patients stay ahead of chronic conditions and maintain long-term wellness. She emphasizes disease prevention and health maintenance, with special interests in:
- Women’s preventive health
- Diabetes management
- GERD and peptic ulcer disease
Steve Linsenbardt, DO
Dr. Linsenbardt provides comprehensive care for adults 18 and older, with a focus on building long-term relationships and helping patients take control of their health. Known for his thorough approach and clear communication, he guides patients through everything from short-term illnesses to chronic disease management. His clinical interests include:
- Diabetes management and education
- Hypertension and cardiovascular risk
- Preventive screenings and wellness exams
Sima Ovais, DO
Dr. Ovais brings a unique perspective to her practice, having worked as a nurse while raising her children before attending medical school. She believes this experience enhances her ability to connect with patients. Her compassionate style and strong communication skills make her a trusted partner in long-term health. Her clinical interests include:
- Anemia and blood disorders
- Chronic disease management
- Patient-centered care
Specialties Within Internal Medicine
Some internal medicine providers focus on subspecialties like endocrinology, pulmonology, and rheumatology. These internists have expertise in specific systems of the body.
Endocrinology (Hormonal & Metabolic Disorders)
Christopher Case, MD
Dr. Case treats hormonal and metabolic disorders, including:
- Diabetes and obesity
- Thyroid, adrenal, and pituitary diseases
- Osteoporosis and cholesterol disorders
During his fellowship, Dr. Case focused on obesity, metabolic syndrome, and cardiovascular disease prevention. He also incorporates clinical research into his patient care.
Alan Rauba, MD
Dr. Rauba offers personalized guidance and ongoing care for patients managing chronic conditions such as diabetes, high blood pressure, and lipid imbalances. His primary focus is on diabetes management and cardiovascular risk reduction. His services include:
- Insulin pump management
- Continuous glucose monitoring
- Treatment of thyroid disorders (hypo/hyperthyroidism)
Wen Hsin Ku, A-GNP-C
Wen Hsin Ku works closely with JCMG endocrinologists to provide personalized, ongoing care for hormonal conditions. She is board-certified and treats patients 18 and older for:
- Preventative care
- Chronic disease management
- Palliative and long-term care
Erin Weiss, PA-C, MPAS
Erin Weiss plays a key role in helping patients understand and manage their endocrine health. She specializes in:
- Diabetes management and insulin pump therapy
- Thyroid disorders
- Nutritional and metabolic conditions, including osteoporosis
Pulmonology (Lung & Respiratory Care)
Thomas Schneider, MD
Dr. Schneider specializes in the comprehensive care and treatment of lung diseases and respiratory problems for adult patients. In addition to pulmonology, Dr. Schneider also serves as an internist, offering primary care for adult patients with:
- Respiratory and chest diseases (e.g., asthma, COPD)
- Those in need of lung function testing and imaging
- Lung infections and chronic breathing issues
Rheumatology (Autoimmune & Musculoskeletal Disorders)
Stephen Sides, DO
Dr. Sides helps patients manage pain, reduce inflammation, and improve quality of life through targeted therapies. He treats autoimmune and inflammatory conditions affecting the joints, muscles, bones, and immune system. His expertise includes:
- Inflammatory arthritis
- Lupus
- Vasculitis
Why Choose an Internist?
Whether you’re managing a chronic condition, seeking preventive care, or simply looking for a trusted provider to guide your health journey, JCMG’s internal Medicine team is here for you. With expertise spanning general internal medicine and subspecialties like endocrinology, pulmonology, and rheumatology, our providers offer compassionate, comprehensive care tailored to your needs.
Ready to schedule an appointment? Visit JCMG.org/internal-medicine or call (573) 556-1703 to find the right internal medicine provider for you.