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

William Marc Katz, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1013024140

William Marc Katz, MD is a Critical Care Medicine (Internal Medicine) Physician in Wyoming, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
Specialties on file
3
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

2093 Health Dr SW Ste 200
Wyoming, MI 49519
Phone: (616) 459-3158
Fax: (616) 819-2222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 4301044867 (MI)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 4301044867 (MI)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 4301044867 (MI)

Record details

NPI number1013024140
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESJune 22, 2010
Mailing address1900 Wealthy St Se, Ste 150, Grand Rapids, MI 49506-2969

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