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

John W Wiley, MD

Individual provider Internal Medicine Physician · NPI 1164507778

John W Wiley, MD is a Gastroenterology in Ann Arbor, Michigan. Graduated from Oregon Health Sciences University School of Medicine in 1980, 46 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
46
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
MI
In the registry since
2006
Specialties on file
2
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

1500 E Medical Center Dr 3rd Fl Taubman Ctr Recp D
Ann Arbor, MI 48109-5362
Phone: (734) 647-5944
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 4301044428 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301044428 (MI)

Record details

NPI number1164507778
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESApril 4, 2012
Mailing address3621 S State St, 700 Kms Place, Ann Arbor, MI 48108

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations13 on file with Medicare

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