5
2 Ratings
Summary
Dr. Diefes graduated from the Hahnemann University School of Medicine in 1992. He works in Philadelphia, PA and 1 other location and specializes in Critical Care Medicine. Dr. Diefes is affiliated with Roxborough Memorial Hospital, Lankenau Medical Center, Jefferson Bucks Hospital, Jefferson Lansdale Hospital and Childrens Hospital Of Philadelphia Middleman Family Pavilion.
Quick Facts
- 34 years of experience
- speaks English
- Drexel University/Hahnemann University Hospital
- 1 specialty
- 7 areas of expertise
- 1 board certification
- 5 hospital affiliations
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Gerard John Diefes has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Gerard John Diefes, MD | Dr. Parag Desai, MD | Dr. Bilal H. Lashari, MD, MScPH | Dr. Gustavo Adolfo Fernandez Romero, MD |
| Critical Care Medicine | Critical Care Medicine | Critical Care Medicine | Critical Care Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 34 Years of Experience | 21 Years of Experience | 16 Years of Experience | 22 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, English | ||
| Philadelphia , PA | Philadelphia , PA | Philadelphia , PA | Philadelphia , PA |
| Med School: Hahnemann University School Of Medicine | Med School: Rutgers New Jersey Medical School | Med School: Shifa College Of Medicine | Med School: UNIVERSIDAD CENTRAL DE VENEZUELA |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gerard John Diefes
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Gerard John Diefes has the following specialty
Specialty Expertise
Dr. Gerard John Diefes has the following 7 areas of expertise
Certifications, License, & Education
34 Years Experience
Dr. Gerard John Diefes holds an active medical license in the state of Pennsylvania.
Medical License
Medical Doctor with an active medical license in the state of Pennsylvania that expires in 2026.
Education & Training
Residency
Completed their residency at Drexel University/Hahnemann University Hospital.
Medical School
Graduated from Hahnemann University School Of Medicine in 1992.
NPI Number
Dr. Diefes' NPI number is 1417948951.
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Frequently Asked Questions
- Where is Dr. Gerard John Diefes's office located?
- Dr. Gerard John Diefes's office is located at 5800 Ridge Ave, Philadelphia, PA, 19128.
- How can I make an appointment with Dr. Gerard John Diefes?
- You can find contact information for Dr. Gerard John Diefes here on Vitals.
- Which hospitals is Dr. Gerard John Diefes affiliated with?
- Dr. Gerard John Diefes is affiliated with Roxborough Memorial Hospital, Lankenau Medical Center, Jefferson Bucks Hospital, Jefferson Lansdale Hospital, and Childrens Hospital Of Philadelphia Middleman Family Pavilion.
- Does Dr. Gerard John Diefes accept virtual/telehealth appointments?
- Dr. Gerard John Diefes has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Gerard John Diefes accept my insurance?
- You can see the insurance plans that Dr. Gerard John Diefes accepts on their Vitals profile.
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