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

Gregory L Hanna, MD

Individual provider Psychiatry Physician · NPI 1184700106

Gregory L Hanna, MD is a Psychiatry Physician in Ann Arbor, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
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

4250 Plymouth Rd
Ann Arbor, MI 48109-2700
Phone: (734) 764-6443
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 4301058760 (MI)
Psychiatry Physician Taxonomy 2084P0800X · Licence 4301058760 (MI)

Record details

NPI number1184700106
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2006
Last updated in NPPESMarch 21, 2012

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