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

Mark a Kallus MD PC

Organization Internal Medicine Physician · NPI 1407900681

Mark a Kallus MD PC is an Internal Medicine Physician in Coldwater, Michigan. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

360 E Chicago St Ste 111
Coldwater, MI 49036-2086
Phone: (517) 278-8871
Fax: (517) 278-6053
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1407900681
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Kallus — Physician · (517) 278-8871
NPI enumeratedJanuary 23, 2007
Last updated in NPPESFebruary 4, 2010
Mailing addressPo Box 307, Coldwater, MI 49036-0307

Other providers in Coldwater