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

Gregory Walter Hayne, MD

Individual provider Gastroenterology Physician · NPI 1457325946

Gregory Walter Hayne, MD is a Gastroenterology Physician in Marquette, Michigan. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
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

107 W Main St
Marquette, MI 49855-4651
Phone: (906) 225-4606
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 35052446 (OH)

Record details

NPI number1457325946
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 14, 2006
Last updated in NPPESJune 11, 2013
Mailing address26374 Network Pl, Chicago, IL 60673-1263

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