Ralph A DeFronzo
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Accepting new patients

Ralph
DeFronzo, MD

  • Endocrinology
Call: 210-358-7500

If you're an existing patient of Dr. DeFronzo, please connect via MyChart

About me

About Me

Gender

Male

Languages

English

Credentials

Credentials

Education

Medical School:
Spaulding/Harvard Medical School

Residency:
Johns Hopkins University School of Medicine

Fellowship:
National Institute of Health

Qualifications

Board Certification:
American Board of Internal Medicine/Nephrology

Treatment and care

Treatment and Care

Specific areas of interest and expertise include:

  • Abnormal Thyroid
  • Acid Base Disorder
  • Acromegaly
  • Acromegaly And Gigantism
  • Addison's Disease
  • Adrenal Adenomas
  • Adrenal Gland Diseases
  • Adrenal Gland Disorders
  • Adrenal Incidentaloma
  • Adrenal Insufficiency
  • Adrenal Tumor
  • Anxiety Disorder
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Autoimmune Diseases
  • Autoimmune Thyroid Disease
  • Benign Tumor
  • Bone Disorders
  • Calcium Disorder
  • Calcium Metabolism Disorders
  • Cancer
  • Carcinoid Tumor
  • Chronic Sinusitis
  • Chronic Thyroiditis
  • Combined Hyperlipidemia
  • Complications Of Diabetes Mellitus
  • Concussion
  • Congenital Adrenal Hyperplasia
  • Cortisol
  • Craniopharyngioma
  • Cushing'S Syndrome
  • Depression
  • Diabetes
  • Diabetes Education
  • Diabetes Insipidus
  • Diabetes Mellitus
  • Diabetes Risk
  • Diabetes Type 1
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Macular Edema (Dme)
  • Diabetic Retinopathy
  • Dyslipidemia
  • Eating Disorder
  • Erectile dysfunction
  • Excessive Hairiness
  • Familial Hypercholesterolemia
  • Female Athlete Triad Syndrome
  • Female Pattern Alopecia (Balding Or Hair Loss)
  • Female Reproductive System Disorder
  • Fertility
  • Galactorrhea
  • Gastroesophageal Reflux Disease
  • Gender Dysphoria
  • Genitourinary Neuroendocrine Tumor
  • Gestational Diabetes
  • Goiter
  • Graves' Disease
  • Growth Disorder
  • Gynecomastia
  • Hair Loss
  • High Blood Pressure Disorder
  • High Blood Sugar Level
  • High Cholesterol Level
  • High Triglycerides
  • Hormonal Disorder
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperlipidemia
  • Hyperparathyroidism
  • Hyperprolactinemia
  • Hyperthyroidism
  • Hypocholesterolemia
  • Hypoglycemia
  • Hypogonadotropic Hypogonadism
  • Hypokalemia
  • Hyponatremia
  • Hypoparathyroidism
  • Hypopituitarism
  • Hyposmolality And Hyponatremia
  • Hypothalamic Amenorrhea
  • Hypothyroidism
  • Infertility In Women
  • Irregular Periods
  • Kidney Disease
  • Klinefelter Syndrome
  • Lecithin Acyltransferase Deficiency
  • Lipid Disorder
  • Lipid Disorders
  • Lipid Metabolism
  • Low Testosterone
  • Lymphoma
  • Malaise And Fatigue
  • Male Breast Enlargement
  • Male Infertility
  • Maturity-Onset Diabetes Of The Young
  • Menopause
  • Menstrual Disorders (Dysmenorrhea)
  • Metabolic Bone Disease
  • Metabolic Syndrome
  • Monogenic Diabetes
  • Multiple Endocrine Neoplasia
  • Obesity
  • Osteopenia
  • Osteoporosis
  • Overactive Bladder
  • Pancreas Inflammation
  • Parathyroid (Gland) Tumor
  • Parathyroid Disease
  • Perimenopause
  • Pheochromocytoma
  • Pituitary Adenoma
  • Pituitary Disorder
  • Pituitary Tumor
  • Polycystic Ovarian Syndrome
  • Polycystic Ovary Syndrome
  • Polygenic Hypercholesterolemia
  • Postpartum Thyroiditis
  • Prediabetes
  • Pregnancy Induced Diabetes
  • Premenopause
  • Primary Aldosteronism
  • Primary Amenorrhea
  • Primary Hypogonadism
  • Prolactin Disorder
  • Prolactinoma
  • Retina Diseases
  • Secondary Amenorrhea
  • Secondary"
  • Silent Thyroiditis
  • Sports Concussion
  • Subacute Thyroiditis
  • Symptomatic Menopause
  • Testicular Dysfunction
  • Testosterone Disorder
  • Thyroglossal Duct Cyst
  • Thyroid Cancer
  • Thyroid Cancer Lymphoma
  • Thyroid Disease
  • Thyroid Disorder
  • Thyroid Nodule
  • Thyroiditis
  • Turner Syndrome
  • Type 1 Diabetes Mellitus
  • Type 2 Diabetes Mellitus
  • Urinary Tract Infection
  • Vitamin D Deficiency
  • Weight loss
Reviews

Reviews