Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Heather A O'Mahen Willis, PHD

Individual provider Mental Health Counselor · NPI 1063520708

Heather A O'Mahen Willis, PHD is a Mental Health Counselor in Ann Arbor, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5331 Plymouth Rd
Ann Arbor, MI 48105-9520
Phone: (734) 996-9111
Fax: (734) 996-1950
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 6301012336 (MI)

Record details

NPI number1063520708
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 25, 2006
Last updated in NPPESJuly 8, 2007

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