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

Marcus Blass, MD

Individual provider Surgery Physician · NPI 1558342725

Marcus Blass, MD is a Surgery Physician in Allegan, Michigan. Licensed in Michigan. Registered with an NPI since 2005.

Licensed in
MI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

551 Linn St
Allegan, MI 49010-1595
Phone: (269) 686-5850
Fax: (269) 686-5897
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 036710 (MI)

Record details

NPI number1558342725
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 7, 2005
Last updated in NPPESNovember 16, 2007

Other providers in Allegan