Dr. Hajjar 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.
Office
1515 Holcombe Blvd
Houston, TX 77030Phone+1 713-792-6161
Education & Training
- Tulane UniversityFellowship, Geriatric Medicine (Internal Medicine), 2001 - 2002
- Zucker School of Medicine at Hofstra/Northwell at Staten Island University HospitalResidency, Internal Medicine, 1997 - 2000
- St Joseph's University Medical SchoolClass of 1992
Certifications & Licensure
- FL State Medical License 2021 - Present
- TX State Medical License 2006 - 2025
- LA State Medical License 2000 - 2011
- American Board of Internal Medicine Internal Medicine
Publications & Presentations
PubMed
- 45 citationsThe utility of proadrenomedullin and procalcitonin in comparison to C-reactive protein as predictors of sepsis and bloodstream infections in critically ill patients wi...Labib Debiane, Ray Y Hachem, Iba Al Wohoush, William Shomali, Ramez Bahu
Critical Care Medicine. 2014-12-01 - 35 citationsAdvances in prevention and management of central line-associated bloodstream infections in patients with cancerIssam I Raad, Anne Marie Chaftari
Clinical Infectious Diseases. 2014-11-15 - 33 citationsRole of Procalcitonin and Interleukin-6 in Predicting Cancer, and Its Progression Independent of InfectionAnne Marie Chaftari, Ray Y Hachem, Ruth Reitzel, Mary Jordan, Ying Jiang
Plos One. 2015-07-06
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: