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

William C Loop MD PHD

Organization Critical Care Medicine (Internal Medicine) Physician · NPI 1811942303

William C Loop MD PHD is a Critical Care Medicine (Internal Medicine) Physician in East Tawas, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006

Practice location Address checks out

1691 E US 23 Ste 5
East Tawas, MI 48730-9337
Phone: (989) 362-8628
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 4301042646 (MI)

Record details

NPI number1811942303
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Loop — Owner · (989) 362-8628
NPI enumeratedMay 23, 2006
Last updated in NPPESSeptember 28, 2007
Mailing address3061 Christy Way, C/O Pro Med Billing, Saginaw, MI 48603-2267