Accepting new patients

Dr. Serhat Aytug, MD

Endocrinology ·  Male · Age 49

Dr. Aytug

Dr. Serhat Aytug, MD is an endocrinology specialist in Fullerton, CA and has been practicing for 19 years. He graduated from Dokuz Eylul Universitesi, Tip Fakultesi in 1995 and specializes in endocrinology and endocrinology, diabetes & metabolism.

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(714) 446-5640

Dr. Aytug accepts the following insurance:

Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Blue Cross Blue Shield of California
Select Plus HMO
Select PPO
Blue Shield of California
Access Plus Savenet
Local Access Plus HMO
Cigna HMO
Cigna PPO
Open Access Plus
MultiPlan PPO
PHCS Network PPO

Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

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Dr. Aytug's Top Procedures and Conditions

Treatment Frequency
Diabetes With Renal Manifestations

Treatment Frequency

Dr. Aytug treats Diabetes With Renal Manifestations more than 88% of his peers

Dr. Aytug treats this condition more than 88% of his peers

Thyroid Disease

Treatment Frequency

Dr. Aytug treats Thyroid Disease more than 85% of his peers

Dr. Aytug treats this condition more than 85% of his peers

Testicular Dysfunction

Treatment Frequency

Dr. Aytug treats Testicular Dysfunction more than 79% of his peers

Dr. Aytug treats this condition more than 79% of his peers

Dr. Aytug's conditions and procedures:

  • Abnormal Thyroid
  • Acromegaly and Gigantism
  • Adrenal Gland Diseases
  • Adrenal Incidentaloma
  • Adrenal Insufficiency
  • Autoimmune Diseases
  • Autoimmune Thyroid Diseases
  • Benign Tumor
  • Bone Disorders
  • Breast Diseases
  • Calcium Metabolism Disorders
  • Cancer
  • Continuous Glucose Monitoring
  • Craniopharyngioma
  • Cushing's Syndrome
  • Diabetes Insipidus
  • Diabetes Mellitus, Secondary
  • Diabetes Type 1
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Ketoacidosis
  • Female Infertility
  • Gestational Diabetes
  • Goiter
  • Graves' Disease
  • Growth Hormone Deficiency
  • Gynecomastia
  • Hashimoto's Disease
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperkalemia
  • Hyperlipidemia
  • Hyperparathyroidism
  • Hyperthyroidism
  • Hypoglycemia
  • Hypokalemia
  • Hypoparathyroidism
  • Hypopituitarism
  • Hyposmolality and Hyponatremia
  • Hypothyroidism
  • Kidney Disease
  • Klinefelter Syndrome
  • Lipid Disorders
  • Malaise and Fatigue
  • Menstrual Disorders (incl. Dysmenorrhea)
  • Obesity
  • Osteopenia
  • Osteoporosis
  • Parathyroid (Gland) Disease
  • Parathyroid (Gland) Tumor: Other than Malignant
  • Phosphorus Metabolism Disorders
  • Polycystic Ovarian Syndrome
  • Pregestational Diabetes Mellitus
  • Pregnancy-Related Disorders
  • Retina Diseases
  • Rickets
  • Testicular Dysfunction
  • Thyroid Cancer
  • Thyroid Cyst
  • Thyroid Disease
  • Thyroiditis
  • Turner Syndrome
  • Vitamin D Deficiency

About Me

Care Philosophy

Our experienced endocrinologists use todays most successful therapies to treat a wide variety of disorders affecting the thyroid, adrenal glands, pituitary gland, pancreas, lipid disorders, growth hormone assessments, and bones.


  • Endocrinology
  • Endocrinology, Diabetes & Metabolism

Board Certifications

  • Diabetes, Metabolism & Endocrinology
  • Internal Medicine


Winthrop University Hospital
Fellowship Hospital
Mt Sinai School Med
Residency Hospital
Mt Sinai School Med
Internship Hospital
Dokuz Eylul Universitesi, Tip Fakultesi
Medical School


  • Spanish
  • English


Dr. Aytug's Reviews

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Average Wait Time
  • Under 10 minutes
Dr. Aytug's Performance
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  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Serhat Aytug, MD
Dr. Aytug has been a wonderful physician for the past two years. He's thorough and takes his time with patients. I feel free to ask him any question without feeling stupid. I feel honored that he delivers care to me.
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I know him from 2005 in TR. He was the first physician who can diagnose my Thyroidis. You can easily observe that He is well educated and open minded Physician. It is really key subject if you have an endocrin problem, such a complex cascade.
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