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Summary
Dr. David Brennan specializes in internal medicine, providing comprehensive care for adult patients with complex medical conditions. He earned his medical degree from the Sanford School of Medicine at the University of South Dakota and completed his residency training at Mayo Clinic. With 11 years of experience in internal medicine, Dr. Brennan focuses on managing chronic conditions that require ongoing medical attention. He speaks English with his patients.
Dr. Brennan practices at Mayo Clinic locations in Rochester, Minnesota, with affiliations at both Mayo Clinic Hospital Methodist Campus and Mayo Clinic Hospital Saint Marys Campus. His clinical expertise centers on treating chronic kidney disease, including advanced stages that require specialized management. He also provides care for patients with type 2 diabetes mellitus, helping them manage blood sugar levels and prevent complications. Dr. Brennan's experience with these interconnected conditions allows him to coordinate …comprehensive treatment plans for patients dealing with multiple health challenges.
Read More Read less Dr. Brennan practices at Mayo Clinic locations in Rochester, Minnesota, with affiliations at both Mayo Clinic Hospital Methodist Campus and Mayo Clinic Hospital Saint Marys Campus. His clinical expertise centers on treating chronic kidney disease, including advanced stages that require specialized management. He also provides care for patients with type 2 diabetes mellitus, helping them manage blood sugar levels and prevent complications. Dr. Brennan's experience with these interconnected conditions allows him to coordinate …comprehensive treatment plans for patients dealing with multiple health challenges.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 11 years of experience
- speaks English
- Mayo Clinic
- 1 specialty
- 7 areas of expertise
- 2 hospital affiliations
- 3 office locations
- Male
Office Locations
Dr. David N Brennan has 3 locationsMayo Clinic
200 1st St SwRochester, MN 55905 Tel: (507) 284-2511
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. David N Brennan, MD | Dr. Michelle Xiao Song, MD | Dr. Adewumi Bakare DMSc, PA-C | Valarie Jean Heiling |
| Internal Medicine | Internal Medicine | Internal Medicine | Preventative Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 11 Years of Experience | 6 Years of Experience | 5 Years of Experience | 32 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English, Mandarin, Spanish | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) | Speaks English |
| Rochester , MN | Denver , CO | Mesquite , TX | Rochester , MN |
| Med School: Sanford School Of Medicine Of The University Of South Dakota | Med School: UCLA's David Geffen School of Medicine | Med School: University of Lynchburg - DMSc | Med School: University Of Minnesota Medical School |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. David N Brennan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. David N Brennan has the following specialty
Specialty Expertise
Dr. David N Brennan has the following 7 areas of expertise
Certifications, License, & Education
11 Years Experience
Dr. David N Brennan holds an expired medical license in the state of Minnesota.
Medical License
Medical Doctor with an expired medical license in the state of Minnesota that expired in 2026.
Education & Training
Residency
Completed their residency at Mayo Clinic.
Medical School
Graduated from Sanford School Of Medicine Of The University Of South Dakota in 2015.
NPI Number
Dr. Brennan's NPI number is 1982083184.
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Frequently Asked Questions
- Is Dr. David Brennan accepting new patients?
- Dr. David Brennan is accepting new patients on Vitals. View Dr. David Brennan's profile on Vitals to make an appointment.
- Does Dr. David Brennan accept my insurance?
- You can see the insurance plans that Dr. David Brennan accepts on their Vitals profile.
- Which hospitals is Dr. David Brennan affiliated with?
- Dr. David Brennan is affiliated with Mayo Clinic Hospital Methodist Campus and Mayo Clinic Hospital Saint Marys Campus.
- Does Dr. David Brennan accept virtual/telehealth appointments?
- Dr. David Brennan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. David Brennan?
- You can find contact information for Dr. David Brennan here on Vitals.
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