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Summary
Dr. John Allen treats hypertension and hypertensive emergency as part of his internal medicine practice. He completed his residency at the University of Maryland Medical Center and earned his medical degree from the University of Maryland School of Medicine. Dr. Allen sees patients in Baltimore and Towson, Maryland, and has 12 years of experience.
Overview based on verified provider data
Quick Facts
- 12 years of experience
- 34 insurance plans accepted
- University Of Maryland Medical Center
- 1 specialty
- 3 office locations
- Male
Office Locations
Dr. John Charles Allen has 3 locationsUniversity Of Maryland Medical Center Midtown Campus
827 Linden AveBaltimore, MD 21201 Tel: (410) 225-8000
Compare with Similar Doctors
 | |  |  |
| Dr. John Charles Allen, MD | Dr. Scott Poulton, MD | Dr. Maria Borodatcheva, MD | Dr. Ronald Thomas, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 12 Years of Experience | 27 Years of Experience | 48 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Baltimore , MD | Catonsville , MD | Columbia , MD | Nottingham , MD |
| Med School: University Of Maryland School Of Medicine | Med School: University Of Maryland School Of Medicine | Med School: The Peoples' Friendship University | Med School: University of Maryland School of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Charles Allen
Medical Specialties
Dr. John Charles Allen has the following specialty
Certifications, License, & Education
12 Years Experience
Dr. John Charles Allen holds an expired medical license in the state of Maryland.
Medical License
Medical Doctor with an expired medical license in the state of Maryland that expired in 2026.
Education & Training
Residency
Completed their residency at University Of Maryland Medical Center.
Medical School
Graduated from University Of Maryland School Of Medicine in 2014.
NPI Number
Dr. Allen's NPI number is 1023436839.
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Frequently Asked Questions
- Where is Dr. John Allen's office located?
- Dr. John Allen's office is located at 22 S Greene St, Baltimore, MD, 21201.
- Is Dr. John Allen accepting new patients?
- Dr. John Allen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Allen accept virtual/telehealth appointments?
- Dr. John Allen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Allen accept my insurance?
- You can see the insurance plans that Dr. John Allen accepts on their Vitals profile.
- How can I make an appointment with Dr. John Allen?
- You can find contact information for Dr. John Allen here on Vitals.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
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