Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John Stuart Wermager, MD

Individual provider Psychiatry Physician · NPI 1790754299

John Stuart Wermager, MD practises Neuropsychiatry in Minneapolis, Minnesota. Graduated from University of Minnesota Medical School in 1999, 27 years ago. Practices with Hennepin Healthcare System Inc, a 903-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
27
Trained at
University of Minnesota Medical School
Licensed in
MN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2545 Chicago Ave Ste 701
Minneapolis, MN 55404-4522 Not confirmed with CMS for 19 years — call before visiting
Phone: (612) 863-5327
Fax: (612) 863-2596
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 45648 (MN)

Record details

NPI number1790754299
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 16, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROPSYCHIATRY
Also practisesPSYCHIATRY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1999 (27 years in practice)
Group practice Hennepin Healthcare System Inc — 903 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients44
Services billed 165 a service is one billed item, such as a visit, a test or a procedure
Average patient age53

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Hennepin Healthcare System Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 903 clinicians in the practice; 12 are shown here.

Other providers in Minneapolis