John W. Baddley, MD, MSPH
Infectious Diseases
Highlights
Age Groups Seen
- Young Adult 18-25
- Adult 26-64
- Older Adult 65+
Languages
- English
In-Network Plans
View All Accepted Plans (12)Gender
MaleJohns Hopkins Affiliations:
- Johns Hopkins School of Medicine Faculty
About
Professional Titles
Clinical Director, Division of Infectious Diseases
Primary Academic Title
Professor of Clinical Medicine
Johns Hopkins Physician
Find a Clinical Trial
View all trials by this principal investigator.
Research Interests
Fungal Infections, Infections among immunocompromised patients
Locations
- The Johns Hopkins Hospital
- 1717 East Monument Street, Park Building, Ground Level, Baltimore, MD 21287
- Get Directions
- Phone: 443-287-6217
- Fax: 410-614-0714
- Sidney Kimmel Comprehensive Cancer Center
- 401 North Broadway Street, Weinberg BLDG, Baltimore, MD 21287
- Get Directions
- Phone: 410-955-8964
- Fax: 410-367-2194
Expertise
Education
- Graduate School: University of Alabama at Birmingham, PUBLIC HEALTH, MSPH, 2008
- Fellowship: University of Alabama at Birmingham, Infectious Disease (Internal Medicine), 2001
- Residency: LSU Health Sciences Center, Internal Medicine, 1998
- Medical Education: LSU Health New Orleans School of Medicine, MD, MD, 1995
Board Certifications
- Infectious Disease: American Board of Internal Medicine, 2001
Insurance
- Aetna
- CareFirst
- Cigna
- First Health
- Geisinger Health Plan
- HealthSmart/Accel
- Johns Hopkins Health Plans
- MultiPlan
- Pennsylvania's Preferred Health Networks (PPHN)
- Point Comfort Underwriters
- Private Healthcare Systems (PHCS)
- Veteran Affairs Community Care Network (Optum-VACCN)
Reviews
4.9 of 5 stars
36 Ratings, 8 ReviewsThe Patient Rating is an average of patient responses to care provider questions on the Press Ganey Medical Practice Survey. Responses are measured on a 5-star scale, with 5 stars representing the highest rating. Patient comments are also collected through the Press Ganey Medical Practice Survey and are displayed in their entirety. To protect patient privacy and confidentiality, all comments are de-identified before publication.
- 5 out of 5 starsReviewed on 6/10/2026
Dr. Baddley is excellent all around. He is always well-prepared for our visits, listens to my input, and provides clear and logical guidance.
- 5 out of 5 starsReviewed on 4/23/2026
The Dr and his assistant were the best
- 5 out of 5 starsReviewed on 3/5/2026
Dr. Baddley was very knowledgeable and direct regarding my treatment. I felt I was getting a direct answer rather than the vague responses I usually receive. I appreciate his advice and no nonsense approach.
- 5 out of 5 starsReviewed on 1/28/2026
We really enjoyed our visit with Dr. Baddley. He thoroughly reviewed my test results and was prepared to have a very honest and open conversation. He carefully set the stage for my visit and asked if there were any topics that should not be discussed in front of my spouse.
- 5 out of 5 starsReviewed on 12/17/2025
Appreciate care from provider and timeliness of appointment
- 5 out of 5 starsReviewed on 12/11/2025
Very satisfied!
- 5 out of 5 starsReviewed on 10/22/2025
Dr. Baddley is really outstanding - knowledgeable, clear, and listens to my perspectives.
- 5 out of 5 starsReviewed on 10/2/2025
He is great , always explains, appointment is not rushed