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Summary
Dr. Matthew Callahan is a family medicine physician who also specializes in surgery and hospital medicine. He earned his medical degree from St. Georges University School of Medicine and completed his residency training at the University of Wisconsin Medical School. With 15 years of clinical experience, Dr. Callahan brings extensive knowledge to his diverse practice areas.
Dr. Callahan practices at Scripps Mercy Hospital San Diego, where he treats patients with serious conditions including sepsis and respiratory failure. His expertise extends to pediatric care, specifically managing sepsis in children. He regularly performs essential diagnostic procedures such as complete blood counts and chemistry panels to help guide patient treatment decisions. Blood testing forms a key part of his diagnostic approach for hospitalized patients.
Dr. Callahan practices at Scripps Mercy Hospital San Diego, where he treats patients with serious conditions including sepsis and respiratory failure. His expertise extends to pediatric care, specifically managing sepsis in children. He regularly performs essential diagnostic procedures such as complete blood counts and chemistry panels to help guide patient treatment decisions. Blood testing forms a key part of his diagnostic approach for hospitalized patients.
Overview based on verified provider data
Quick Facts
- 15 years of experience
- University Of Wi Medical School
- 3 specialties
- 6 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Compare with Similar Doctors
 |  |  |  |
| Dr. Matthew Russell Callahan, MD | Yves Chery, CT, ASCP, APRN, BSN, MSN | Dr. Lubna Isho, DO | Dr. Shakeilla Smithbey, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 15 Years of Experience | 25 Years of Experience | 15 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks Arabic, English, Spanish | Speaks English | |
| San Diego , CA | SUWANEE , GA | Pomona , CA | Houston , TX |
| Med School: St Georges University School Of Medicine | Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific | Med School: Howard University College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Matthew Russell Callahan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Matthew Russell Callahan has the following 3 specialties
Specialty Expertise
Dr. Matthew Russell Callahan has the following 6 areas of expertise
Certifications, License, & Education
15 Years Experience
Dr. Matthew Russell Callahan holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2025.
Education & Training
Residency
Completed their residency at University Of Wi Medical School.
Medical School
Graduated from St Georges University School Of Medicine in 2011.
NPI Number
Dr. Callahan's NPI number is 1083901839.
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Frequently Asked Questions
- Is Dr. Matthew Callahan accepting new patients?
- Dr. Matthew Callahan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Matthew Callahan?
- You can find contact information for Dr. Matthew Callahan here on Vitals.
- Does Dr. Matthew Callahan accept my insurance?
- You can see the insurance plans that Dr. Matthew Callahan accepts on their Vitals profile.
- Does Dr. Matthew Callahan accept virtual/telehealth appointments?
- Dr. Matthew Callahan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Matthew Callahan affiliated with?
- Dr. Matthew Callahan is affiliated with Scripps Mercy Hospital San Diego.
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