Your Partner in Healthcare.

Our group is dedicated to providing a wide array of outpatient services to meet the need of the people of Guam

Prioritizing Patient Care.

Our group is dedicated to providing high quality care with desirable outcomes

Advocating for You.

Our group is dedicated to providing patients and caregivers with the support and education they need

Specialty Medicine
To support the specific needs and complexities that are brought to our patients by their conditions, American Medical Center proudly works with physicians from a wider range of specialties.

Specialty Medicine Services

  • Aesthetic Medicine
  • General Surgery
  • Geriatrics
  • Endocrinology
  • Sport Medicine
  • Plastic & Reconstructive Surgery


  • Erika Matsuda Alford, MD
  • Luis Cruz, MD
  • John Fegurgur, MD
  • Luan Nguyen, MD


We understand the importance of optimal health.
Our endocrinology department offers comprehensive diagnosis and treatment for a wide range of endocrine disorders in Guam.

Endocrine Expertise You Can Trust

Board-certified Endocrinologist, Dr. Erika Masuda Alford, MD, is dedicated to providing personalized
care for patients with conditions affecting the endocrine system, including:

  • Diabetes: Type 1, Type 2, and gestational diabetes
  • Thyroid disorders: Hyperthyroidism, hypothyroidism, thyroid nodules, and thyroid cancer
  • Parathyroid disorders: Hyperparathyroidism and hypoparathyroidism
  • Pituitary disorders: Pituitary Adenomas, hypopituitarism, prolactinomas, Cushing’s Disease, and
    central hypothyroidism
  • Adrenal disorders: Cushing’s syndrome, Adrenal Insufficiency, Hyperaldosteronism, and
  • Osteoporosis and bone health

Our Commitment to Your Care

We believe in a collaborative approach to patient care. Dr. Alford works closely with primary care physicians and other specialists to create a comprehensive treatment plan that addresses your unique needs.

We offer a variety of diagnostic tools to ensure an accurate diagnosis and treatments tailored to you, to include blood tests, hormone level testing, and imaging studies (ultrasounds and x-rays).

Our Team provides a full spectrum of treatment options to manage your endocrine condition, such as:

  • Medication management
  • Dietary and lifestyle modifications
  • Weight management counseling
  • Bone density scans and osteoporosis treatment plans

We are committed to providing exceptional care for all your endocrinology needs to help you achieve
optimal health and improve your quality of life.