Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Alexander Hopper, MD

Individual provider Internal Medicine Physician · NPI 1184680977

Dr. John Alexander Hopper, MD is an Internal Medicine in Ypsilanti, Michigan. Graduated from Wayne State University School of Medicine in 1989, 37 years ago. Practices with Iha Health Services Corporation, a 1,146-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
37
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5333 McAuley Dr
Ypsilanti, MI 48197-1014
Phone: (734) 712-3980
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301064834 (MI)
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence 4301064834 (MI)
Pediatrics Physician Taxonomy 208000000X · Licence 4301064834 (MI)

Record details

NPI number1184680977
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESFebruary 25, 2016
Mailing addressPo Box 0446 Lobby J, 24 Frank Lloyd Wright Dr. Iha, Ann Arbor, MI 48106

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesADDICTION MEDICINE
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Iha Health Services Corporation — 1146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Ypsilanti