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

James Martin Hammel, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1063461317

James Martin Hammel, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

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

25 Michigan St NE Ste 4200
Grand Rapids, MI 49503-2559
Phone: (616) 267-9150
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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 4301505068 (MI)

Record details

NPI number1063461317
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2006
Last updated in NPPESMarch 22, 2024
Certification dateMarch 22, 2024

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