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

Robert Chang, MD

Individual provider Internal Medicine Physician · NPI 1720177686

Robert Chang, MD is an Internal Medicine in Ann Arbor, Michigan. Graduated from University of Michigan Medical School in 2002, 24 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
24
Trained at
University of Michigan Medical School
Licensed in
MI
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

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone: (734) 936-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1500 East Medical Center Dr, Ann Arbor, MI 48109-5352 — (734) 936-5582

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301079933 (MI)

Record details

NPI number1720177686
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2006
Last updated in NPPESSeptember 23, 2025
Certification dateSeptember 23, 2025
Mailing address3621 S State St, Ann Arbor, MI 48108-1633

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2002 (24 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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