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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1538293030

Mr. Mark Giesler, PHD, LMSW is a Clinical Social Worker in Ypsilanti, Michigan. Qualified in 2002, 24 years ago. Practices with Butterfly Counseling PLLC, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
24
Licensed in
MI
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

2048 Washtenaw Rd # 3
Ypsilanti, MI 48197-1889
Phone: (734) 635-0954
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 575 S Main St, Plymouth, MI 48170-1778 — (734) 451-7800

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 6801084804 (MI)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 6801084804 (MI)

Record details

NPI number1538293030
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , LMSW
Sole proprietorYes
NPI enumeratedMarch 15, 2007
Last updated in NPPESNovember 12, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Butterfly Counseling Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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