Patient Portal 425-289-0374 Mon–Thu 8:00 AM–3:00 PM PT Fri 8:00 AM–12:00 PM PT Weekends closed
Reach us

Contact the office

Pacific Office Park, just off 112th Avenue NE in Bellevue.

Call 425-289-0374 Directions →

Send a non-clinical message

For scheduling and general questions only. Please do not include medical information — use the patient portal for anything about your care. The front desk replies during office hours.

Please do not send personal health information (PHI) through this form.

Where to send what

Clinical questions
Use the secure patient portal — never this website. Messages are reviewed during regular office hours.
Appointments & urgent concerns
Call the office at 425-289-0374 during office hours.
Records & billing
Call the office, or contact our billing company — see Billing & insurance.
Now accepting new patients

Excellence in endocrine care with personalized evidence-based medicine.

Dr. Mandana Ahmadian is now accepting new patients — in person in Bellevue and by telehealth across Washington and California.

  • Board certified in Endocrinology, Diabetes & Metabolism
  • ECNU certified in neck ultrasound
  • Seattle Top Doctor 2015, 2016, 2018, 2022, 2023, 2024, 2025 & 2026