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

Mr. John Charles Heiser, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1174596639

Mr. John Charles Heiser, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Grand Rapids, Michigan. Licensed in Colorado and Michigan. Registered with an NPI since 2006.

Licensed in
CO, 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

221 Michigan St NE Ste 300
Grand Rapids, MI 49503-2537
Phone: (616) 459-7258
Fax: (616) 459-5215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 4301053721 (MI)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 20976 (CO)

Record details

NPI number1174596639
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023

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