Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ian Cheng-Yi Chang, MD

Individual provider Internal Medicine Physician · NPI 1538451802

Dr. Ian Cheng-Yi Chang, MD is a Cardiovascular Disease (Cardiology) in Rochester, Minnesota. Qualified in 2009, 17 years ago. Practices with Winneshiek Medical Center, a 99-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia and Minnesota.

Years since qualifying
17
Licensed in
DC, MN
In the registry since
2011
Specialties on file
3
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

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 110 Irving St Nw, Washington, DC 20010-3017 — (202) 877-7000

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 57185 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 57185 (MN)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD046885 (DC)

Record details

NPI number1538451802
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2011
Last updated in NPPESApril 19, 2021
Certification dateApril 19, 2021

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Winneshiek Medical Center — 99 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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