Thyroid and Parathyroid Center

Surgical Director:  Maisie Shindo, MD, FACS
Medical Director:  Dana Madison, MD, PhD


The OHSU Thyroid and Parathyroid Center is designed to provide comprehensive, coordinated and streamlined care for patients with thyroid and parathyroid diseases.  We provide multidisciplinary expertise that is unique in Oregon and the Pacific Northwest.  Our surgeons and endocrinologists are highly skilled, internationally recognized, and work very closely together to provide collaborative medical and surgical care.



  • Thyroid cancer
  • Thyroid nodules
  • Goiters
  • Hyperthyroidism (Graves' disease, toxic goiter)
  • Hyperparathyroidism
  • Parathyroid tumors
  • Osteoporosis and osteopenia
  • Hereditary endocrine diseases (Multiple endocrine neoplasia)
  • Genomic testing using molecular markers for personalized medicine


Oregon Health & Sciences University:Thyroid and Parathyroid Center

Video: Published on March 30, 2015 - The OHSU Thyroid and Parathyroid Center team of surgical specialists are bringing new ideas and innovations in endocrine surgery to the Pacific Northwest.

Get to know our team

Read more about our surgeons, endocrinologists and care team

Our Surgeons

Maisie L Shindo, MD, FACS                         Ryan Li, MD                  Lourdes Quintanilla-Dieck, MD
Maisie L Shindo, MD, FACS           Ryan Li, MD         Lourdes Quintanilla-Dieck, MD

Our Endocrinologists

Dana Madison, MD, PhD    Mary H Samuels, MDKathryn G Schuff, MD
   Dana Madison, MD, PhD          Mary Samuels, MD             Kathryn Schuff, MD
         Olga Sensashova, MD
   Olga Senashova, MD

Our Oncologist

Matthew Taylor, MD
    Matthew H Taylor MD




Natalie Smith, LPN


Nhumy Nguyen - Clinic Scheduler
Stephanie Bunke - Surgery Scheduler

How to Make an Appointment

Please contact our office regarding scheduling appointments. Prior to scheduling an appointment, our providers often need to review chart notes related to the reason you want to be seen in order to coordinate any additional tests they may need in order to make the most of your visit.  The Thyroid & Parathyroid Surgery Center is a referral based clinic and we will require a referral from your primary care physician.  We would be happy to discuss this with you to ensure we have all we need to expedite the scheduling process.  Please contact us by phone or email to begin the process.

Phone: Thyroid & Parathyroid Surgery Center  503 494-2544

Fax Referrals to 503 346-6826
Attn: Dr. Shindo or Dr. Madison