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Summary
Dr. Mast graduated from the Michigan State University College of Osteopathic Medicine in 2016. He works in Saint Marys, OH and 2 other locations and specializes in Pediatrics. Dr. Mast is affiliated with Joint Township District Memorial Hospital and Mclaren Greater Lansing.
Quick Facts
- 10 years of experience
- Michigan State University College Of Osteopathic Medicine
- 1 specialty
- 5 areas of expertise
- 2 hospital affiliations
- 3 office locations
- Male
Office Locations
Dr. Alexander Clayton Mast has 3 locationsGrand Lake Pediatrics
1010 Hager StSaint Marys, OH 45885 Tel: (419) 394-9579
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 - 3:30 pm
SatClosed
SunClosed
Joint Township District Memorial Hospital
200 Saint Clair AveSaint Marys, OH 45885 Tel: (419) 394-3335
Grand Lake Pediatrics
801 Pro DrCelina, OH 45822Mon8:00 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 - 3:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Alexander Clayton Mast, DO | SR Fredy David Valero Hernandez | Dr. Alanna Janine Albano | Dr. Marisa Dias Mendes, MD |
| Pediatrics | Pediatrics | Pediatrics | Pediatrics |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 10 Years of Experience | 9 Years of Experience | 17 Years of Experience | 13 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks Polish, Spanish | |
| Saint Marys , OH | Franklin , TN | Franklin , TN | Franklin , TN |
| Med School: Michigan State University College Of Osteopathic Medicine | Med School: Pontificia Universidad Javeriana - Bogota, Colombia | Med School: Lake Erie College of Osteopathic Medicine - Bradenton, FL campus | Med School: New Jersey Medical School |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Alexander Clayton Mast
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Alexander Clayton Mast has the following specialty
Specialty Expertise
Dr. Alexander Clayton Mast has the following 5 areas of expertise
Certifications, License, & Education
10 Years Experience
Dr. Alexander Clayton Mast holds expired and active medical licenses in the states of Michigan and Ohio.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Michigan that expired in 2026 and an active medical license in the state of Ohio that expires in 2027.
Education & Training
Medical School
Graduated from Michigan State University College Of Osteopathic Medicine in 2016.
NPI Number
Dr. Mast's NPI number is 1679920755.
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Frequently Asked Questions
- Is Dr. Alexander Mast accepting new patients?
- Dr. Alexander Mast has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Alexander Mast affiliated with?
- Dr. Alexander Mast is affiliated with Joint Township District Memorial Hospital and Mclaren Greater Lansing.
- Where is Dr. Alexander Mast's office located?
- Dr. Alexander Mast's office is located at 1010 Hager St, Saint Marys, OH, 45885.
- Does Dr. Alexander Mast accept virtual/telehealth appointments?
- Dr. Alexander Mast has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Alexander Mast accept my insurance?
- You can see the insurance plans that Dr. Alexander Mast accepts on their Vitals profile.
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