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

Mark Weismiller, MD

Individual provider Surgery Physician · NPI 1205128816

Mark Weismiller, MD is a General Surgery in Saint Johns, Michigan. Graduated from Wayne State University School of Medicine in 2011, 15 years ago. Practices with Sparrow Clinton Hospital, a 23-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2011
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

901 S Oakland St Ste 201
Saint Johns, MI 48879-2200
Phone: (989) 224-2338
Fax: (989) 224-2065
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 4301098816 (MI)

Record details

NPI number1205128816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2011
Last updated in NPPESNovember 8, 2022
Certification dateNovember 8, 2022
Mailing addressPo Box 13008, Lansing, MI 48901-3008

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Sparrow Clinton Hospital — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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