Skip to main content
Jacqueline Jonklaas, MD, Endocrinology, Washington, DC

JacquelineJonklaasMD

Endocrinology Washington, DC

Adrenal Disease, Diabetes, Pituitary Disorders & Neuroendocrinology, Thyroid

Professor, Medicine, Georgetown University School of Medicine

Dr. Jonklaas is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Jonklaas' full profile

Already have an account?

  • Office

    4000 Reservoir Rd Nw
    Bldg D Suite 230
    Washington, DC 20007
    Phone+1 202-687-2818

Education & Training

  • MedStar Health/Georgetown University Hospital
    MedStar Health/Georgetown University HospitalFellowship, Endocrinology, Diabetes, and Metabolism, 1996 - 1998
  • MedStar Health/Georgetown University Hospital
    MedStar Health/Georgetown University HospitalResidency, Internal Medicine, 1993 - 1996
  • Georgetown University School of Medicine
    Georgetown University School of MedicineClass of 1993

Certifications & Licensure

  • DC State Medical License
    DC State Medical License 1997 - 2024
  • MD State Medical License
    MD State Medical License 2000 - 2002
  • American Board of Internal Medicine Endocrinology, Diabetes and Metabolism

Clinical Trials

Publications & Presentations

PubMed

Lectures

  • Thyroid Hormone Preparations: If, When, and Why You Should Deviate from Levothyroxine 
    ENDO 2019 - New Orleans, LA - 3/23/2019
  • ESAP Live 
    ENDO 2019 - New Orleans, LA - 3/24/2019
  • Thyroid Hormone Preparations: If, When, and Why You Should Deviate from Levothyroxine (Repeat) 
    ENDO 2019 - New Orleans, LA - 3/23/2019
  • Join now to see all

Authored Content

  • What Does the Future Hold for T3 and T4 Combination Therapy Studies?November 2019

Press Mentions

  • Examining T4/T3 Combination Therapy in Hypothyroidism
    Examining T4/T3 Combination Therapy in HypothyroidismNovember 21st, 2024
  • Preview of the 93rd American Thyroid Association Annual Meeting
    Preview of the 93rd American Thyroid Association Annual MeetingJuly 1st, 2024
  • American Thyroid Association Announces Award Recipients
    American Thyroid Association Announces Award RecipientsJuly 12th, 2021
  • Join now to see all

Grant Support

  • Serum Selenium Levels And Thyroid Cancer DevelopmentNational Center For Research Resources2008–2009
  • Identification Of Leukocyte Genes That Are Regulated By Thyroid HormoneNational Center For Research Resources2008
  • Comparison Of Thyroid Hormone Levels Found With Normal Thyroid Functioning, CNational Center For Research Resources2008
  • Comparison Of Cortison Levels During An ACTH Stimulation Test Using Tandem MassNational Center For Research Resources2007
  • Identification Of Leukocyte Genes That Are Regulated By Thyroid HormoneNational Center For Research Resources2006–2007
  • Comparison Of Thyroid Hormone Levels Found With Normal Thyroid Functioning, CNational Center For Research Resources2006–2007
  • Mentored Patient-Oriented Research Career Development AwardNational Center For Research Resources2005–2006
  • Levothyroxine: Triiodothyronine Combination Therapy For HypothyroidismNational Center For Research Resources2005
  • Thyroid Hormone Levels With Normal Thyroid To Level After ThyroidectomyNational Center For Research Resources2004
  • Levothyroxine: Triiodothyronine Combination TherapyNational Center For Research Resources2002–2004