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Consulting a physician regularly is an important part of a healthier lifestyle. Together, you and your physician can determine the best plan to keep you fit and able to enjoy the times of your life. Surprisingly, many people do not have a regular doctor whom they can turn to in case of illness or injury. In a serious emergency, they often have no choice of whom will provide care or what treatment will be administered. We at Chester County Hospital encourage you to take the time to choose a physician before emergency situations arise. A regular primary care physician or specialist knows your medical history and can provide special insights into your treatment.
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Mariele C. Briones, MD

Mariele C. Briones, MD Provider Not Employed by Penn Medicine

Dr. Briones is a private practice physician who is not employed by Penn Medicine.

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About Dr. Mariele C. Briones

Recognized by America's Top Doctors 2015 - 2017

Recognized in Philadelphia magazine's annual Top Docs issues for 2018 and 2019

Clinical Specialties

Specialty:

  • Diabetes
  • Endocrinology

Board Certification:

  • Endocrinology, Diabetes, & Metabolism
  • Internal Medicine

Clinical Expertise:

  • Addison's Disease
  • Adrenal Gland Disorders
  • Chronic Thyroiditis (Hashimoto's Disease)
  • Congenital Adrenal Hyperplasia
  • Cushing's Disease
  • Diabetes
  • Diabetes Education
  • Endocrine Disorders
  • Goiter
  • Graves' Disease
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperparathyroidism
  • Hyperthyroidism (Overactive Thyroid)
  • Hypogonadism
  • Hypoparathyroidism
  • Hypopituitarism
  • Hypothyroidism (Underactive Thyroid)
  • Multiple Endocrine Neoplasia
  • Osteoporosis
  • Pituitary Gland Disorders
  • Pituitary Tumors
  • Radioactive Iodine (Radioiodine) Therapy
  • Silent Thyroiditis
  • Thyroid Disorders
  • Thyroid Nodule Biopsy
  • Thyroid Nodules
  • Toxic Nodular Goiter
  • Type 1 Diabetes
  • Type 2 Diabetes
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Practice Locations and Appointments

Education and Training

Residency: Crozer-Chester Medical Center
Residency: Loyola University Medical Center


Fellowship: University of Texas Medical School at Houston

Hospital Affiliation

Dr. Briones is a private practice physician who is not employed by Penn Medicine.

Hospital Privileges:

  • Chester County Hospital: Has privileges to treat patients in the hospital.