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

Dr. Mark A Kallus, MD

Individual provider Internal Medicine Physician · NPI 1306896352

Dr. Mark A Kallus, MD is an Internal Medicine Physician in Coldwater, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2006
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

360 E Chicago St
Coldwater, MI 49036-2086
Phone: (517) 278-8871
Fax: (517) 278-6053
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301053693 (MI)

Record details

NPI number1306896352
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 11, 2006
Last updated in NPPESFebruary 19, 2009
Mailing addressPo Box 307, Coldwater, MI 49036-0307

Other providers in Coldwater