5
1 Rating
Summary
Dr. David Mast treats anxiety disorders, depression, and depression in children and teens. He has practiced internal medicine for 41 years and is affiliated with Aspirus Saint Lukes Hospital, Essentia Health Saint Marys Medical Center, and Essentia Health Duluth. He completed his residency at Hennepin County Medical Center and practices in Duluth, Minnesota. Patients on Vitals rate Dr. Mast 5 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 41 years of experience
- speaks English
- Hennepin County Medical Center
- 1 specialty
- 6 areas of expertise
- 3 hospital affiliations
- 4 office locations
- Male
Office Locations
Dr. David James Mast has 4 locationsSaint Lukes Internal Medicine Associates
1001 E Superior St Ste 401Duluth, MN 55802 Tel: (218) 249-7960
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. David James Mast, MD | Dr. Michelle Xiao Song, MD | Dr. Adewumi Bakare DMSc, PA-C | Dr. Michael Merle Maddy, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Nephrology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 41 Years of Experience | 6 Years of Experience | 44 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 |
| Duluth , MN | Denver , CO | Mesquite , TX | Duluth , MN |
| Med School: University Of Minnesota Medical School | 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 James Mast
Medical Specialties
Dr. David James Mast has the following specialty
Specialty Expertise
Dr. David James Mast has the following 6 areas of expertise
Certifications, License, & Education
41 Years Experience
Dr. David James Mast 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 Hennepin County Medical Center.
Medical School
Graduated from University Of Minnesota Medical School in 1985.
NPI Number
Dr. Mast's NPI number is 1912958331.
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Frequently Asked Questions
- Is Dr. David Mast accepting new patients?
- Dr. David Mast is accepting new patients on Vitals. View Dr. David Mast's profile on Vitals to make an appointment.
- Does Dr. David Mast accept virtual/telehealth appointments?
- Dr. David Mast has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. David Mast's office located?
- Dr. David Mast's office is located at 1001 E Superior St Ste 401, Duluth, MN, 55802.
- Does Dr. David Mast accept my insurance?
- You can see the insurance plans that Dr. David Mast accepts on their Vitals profile.
- What languages does Dr. David Mast speak?
- Dr. David Mast speaks English.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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