Dr. Mirela TitianuMD

Internal Medicine

at Rheumatologist OnCall® — Irvine, CA

About

Dr. Mirela Titianu, MD, completed her internal medicine residency at Wayne State University in Detroit, Michigan. She holds board certification in internal medicine, obesity medicine, and lifestyle medicine. She also carries the Menopause Society Certified Practitioner credential and a Certified Nutrition Coach certification through NASM.

Dr. Titianu focuses on women with autoimmune diseases who are navigating perimenopause or menopause. During her clinical training, she observed how hormonal shifts, excess weight, and chronic inflammation reinforce one another. That insight drives her work with the OASIS Program, which she co-created with Dr. Diana Girnita to address obesity and autoimmune disease together. S. licensing. Her personal history, including losing her father early in life, deepened her commitment to medicine. Dr. Titianu sees patients in California, Oregon, and Florida through the Women's Hormone and Autoimmune Balance Program.

Education & Training

Residency

Internal Medicine, Wayne State University, Detroit, Michigan

Additional Training

Certified Nutrition Coach (NASM)

Certifications

Menopause Society Certified PractitionerBoard Certified in Internal MedicineBoard Certified in Obesity MedicineBoard Certified in Lifestyle MedicineCertified Nutrition Coach (NASM)

Conditions Treated

perimenopausemenopausehormonal imbalanceobesityautoimmune diseaserheumatoid arthritislupusSjögren's syndromeinflammationmetabolic syndrome

Who is Dr. Titianu right for?

Dr. Titianu is an excellent fit for women managing autoimmune disease alongside perimenopause or menopause. Patients dealing with hormonal imbalance, metabolic syndrome, or weight-related inflammation benefit from her multi-specialty training. She works particularly well with women who want evidence-based hormone replacement therapy alongside autoimmune management. Patients in California, Oregon, and Florida can access her Women's Hormone and Autoimmune Balance Program directly.

Similar Doctors Nearby

Frequently Asked Questions

Dr. Titianu specializes in menopause, perimenopause, hormone replacement therapy, obesity medicine, and lifestyle medicine. She focuses specifically on women with autoimmune diseases who are experiencing hormonal changes. She holds board certification in internal medicine, obesity medicine, and lifestyle medicine.

Yes. Dr. Titianu holds the Menopause Society Certified Practitioner credential. She evaluates and treats the full range of perimenopause and menopause symptoms, including their interactions with autoimmune conditions. She prescribes and monitors FDA-approved hormone replacement therapy.

Dr. Titianu runs the Women's Hormone and Autoimmune Balance Program for patients managing both autoimmune disease and hormonal changes. The program integrates HRT, inflammation reduction, and autoimmune stabilization. It currently serves patients in California, Oregon, and Florida.

Dr. Titianu co-created the OASIS Program with Dr. Diana Girnita. OASIS targets the relationship between obesity, inflammation, hormones, and autoimmune disease. The program costs $299 per month, with a 10% discount for annual plans.

Dr. Titianu completed her internal medicine residency at Wayne State University in Detroit, Michigan. She also holds a Certified Nutrition Coach certification through NASM, adding a practical nutrition dimension to her clinical work.

Dr. Titianu sees patients in California, Oregon, and Florida through the Women's Hormone and Autoimmune Balance Program. Telehealth appointments let patients in those states access her care from home.

Dr. Titianu treats perimenopause, menopause, hormonal imbalance, obesity, metabolic syndrome, and inflammation. She also manages autoimmune conditions including rheumatoid arthritis, lupus, and Sjögren's syndrome in the context of hormonal health.

Doctor profile last updated August 17, 2026