Mark Giesler, PHD, LMSW
NPI 1538293030 · Clinical Social Worker · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Giesler, PHD, LMSW is a Clinical Social Worker provider in Ypsilanti, MI (NPI 1538293030).
Provider details
- NPI number
- 1538293030
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD, LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6801084804 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 575 S Main StSuite 6Plymouth, MI 48170-1778Phone: (734) 451-7800Fax: (734) 451-5410
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2018-11-12
Frequently asked questions
- What is Mark Giesler's NPI number?
- Mark Giesler's National Provider Identifier (NPI) is 1538293030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Giesler's specialty?
- Mark Giesler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Giesler located?
- Mark Giesler's practice location on file with NPPES is 2048 Washtenaw Rd # 3, Ypsilanti, MI 48197-1889.
- What is Mark Giesler's phone number?
- The practice phone number listed in the NPPES registry for Mark Giesler is (734) 635-0954.
- Does Mark Giesler accept Medicare?
- Mark Giesler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Giesler's NPI active?
- Yes — Mark Giesler's NPI (1538293030) is active in the NPPES registry as of the last update on 2018-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.