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Summary
Dr. Ernzen graduated from the Northwestern University Feinberg School of Medicine in 2019. He works in Chicago, IL and specializes in Psychiatry. Dr. Ernzen is affiliated with Ann And Robert H Lurie Childrens Hospital.
Quick Facts
- 7 years of experience
- Northwestern University Feinberg School Of Medicine
- 1 specialty
- 2 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Office Locations
John Alexander Ernzen has 2 locationsCompare with Similar Doctors
 |  |  |  |
| John Alexander Ernzen | Paula Marcial, PMHNP | Natalia Zambrano, MSN, APRN, PMHNP-BC | Dr. Karelis Sierra-Cintron, MD |
| Psychiatry | Psychiatry | Psychiatry | Psychiatry |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 7 Years of Experience | 1 Year of Experience | 20 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | Virtual Visit Available |
| Speaks English | Speaks English, Spanish | Speaks English, Spanish | |
| Chicago , IL | Barrington , IL | Chicago , IL | Lincolnshire , IL |
| Med School: Northwestern University Feinberg School Of Medicine | Med School: Universidad Central Del Caribe | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by John Alexander Ernzen
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
John Alexander Ernzen has the following specialty
Specialty Expertise
John Alexander Ernzen has the following 2 areas of expertise
Certifications, License, & Education
7 Years Experience
John Alexander Ernzen holds an active medical license in the state of Illinois.
Medical License
Medical Doctor with an active medical license in the state of Illinois that expired in 2026.
Education & Training
Medical School
Graduated from Northwestern University Feinberg School Of Medicine in 2019.
NPI Number
John Alexander Ernzen's NPI number is 1346615663.
Similar Doctors
Frequently Asked Questions
- Is John Ernzen accepting new patients?
- John Ernzen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does John Ernzen accept my insurance?
- You can see the insurance plans that John Ernzen accepts on their Vitals profile.
- Which hospitals is John Ernzen affiliated with?
- John Ernzen is affiliated with Ann And Robert H Lurie Childrens Hospital.
- How can I make an appointment with John Ernzen?
- You can find contact information for John Ernzen here on Vitals.
- Where is John Ernzen's office located?
- John Ernzen's office is located at 225 E Chicago Ave, Chicago, IL, 60611.
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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