Finally, medical care that prioritizes your needs.

You can request an appointment with Dr. Mirela Titianu by completing the booking request form on this page. After you submit the form, the Rheumatologist OnCall® staff will contact you to help schedule a date and time.

After you complete the booking request, the staff will review your submission and contact you shortly to schedule your appointment. This helps the team confirm availability and coordinate the next steps for your visit.

Yes. This page is specifically for submitting a booking request for Dr. Mirela Titianu at Rheumatologist OnCall®.

Yes. You can also book an appointment by phone by calling the appointments number listed on the page: (650) 525-4404.

Rheumatologist OnCall® is located at 19712 MacArthur Blvd, Suite 100, Irvine, CA 92612.

The office is open Monday through Friday, from 9:00 AM to 5:30 PM Pacific Time.

A member of the Rheumatologist OnCall® staff will contact you after you complete the booking request. They will help schedule your appointment and provide any next steps.

Yes. The page includes an email contact option for patients who want to reach the practice directly.

The main fax number listed on the page is (650) 582-2895.

No. Rheumatologist OnCall® is not an emergency service. If you may be experiencing a medical emergency, you should call 911 immediately.

If you believe you are experiencing a medical emergency, call 911. The booking form is intended for appointment requests, not emergency medical care.

Yes. This page is designed to help patients take the first step by submitting a booking request. The team will then contact you to help schedule the appointment.

Yes. The page invites patients to join the Rheumatologist OnCall® weekly newsletter for expert tips on arthritis, autoimmune conditions, and holistic health.

Yes. Rheumatologist OnCall® is a physician-led practice focused on helping patients with arthritis, autoimmune conditions, and related health concerns receive expert medical guidance.

The goal is to begin the process of receiving medical care that prioritizes your needs, helps you better understand your health concerns, and supports a path toward better disease control and long-term health.