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Summary
Dr. Castellanos graduated from the Medical College of Wisconsin in 2021. He works in Boston, MA and 1 other location and specializes in Emergency Medicine. Dr. Castellanos is affiliated with Brigham And Womens Hospital and Massachusetts General Hospital.
Quick Facts
- 5 years of experience
- Medical College Of Wisconsin
- 1 specialty
- 2 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. Mario Castellanos has 2 locationsBrigham And Womens Physicians Organization
75 Francis StBoston, MA 02115Mon8:00 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. Mario Castellanos | Christopher Carleo, MD | Dr. Anne Kay Chung, MD | Dr. Katherine Margaret Wegman |
| Emergency Medicine | Emergency Medicine | Emergency Medicine | Emergency Medicine |
| Accepts New Patients | |||
| 5 Years of Experience | 28 Years of Experience | 7 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Boston , MA | East Setauket , NY | Danvers , MA | Boston , MA |
| Med School: Medical College Of Wisconsin | Med School: Suny Stony Brookhealth | Med School: University Of Rochester School Of Medicine & Dentistry | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mario Castellanos
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Mario Castellanos has the following specialty
Certifications, License, & Education
5 Years Experience
Dr. Mario Castellanos holds an expired medical license in the state of Massachusetts.
Medical License
Medical Doctor with an expired medical license in the state of Massachusetts that expired in 2026.
Education & Training
Medical School
Graduated from Medical College Of Wisconsin in 2021.
NPI Number
Dr. Castellanos' NPI number is 1164050910.
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Frequently Asked Questions
- Which hospitals is Dr. Mario Castellanos affiliated with?
- Dr. Mario Castellanos is affiliated with Brigham And Womens Hospital and Massachusetts General Hospital.
- Is Dr. Mario Castellanos accepting new patients?
- Dr. Mario Castellanos has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mario Castellanos accept virtual/telehealth appointments?
- Dr. Mario Castellanos has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mario Castellanos accept my insurance?
- You can see the insurance plans that Dr. Mario Castellanos accepts on their Vitals profile.
- Where is Dr. Mario Castellanos's office located?
- Dr. Mario Castellanos's office is located at 55 Fruit St, Boston, MA, 02114.
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