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

Gregory L. Hays, MD

Individual provider Emergency Medicine Physician · NPI 1003980517

Gregory L. Hays, MD is an Emergency Medicine Physician in Detroit, 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.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Henry Ford Health System 2799 West Grand Blvd
Detroit, MI 48202
Phone: (313) 916-2436
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 068766 (MI)

Record details

NPI number1003980517
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressHenry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202

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