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

Individual provider Pediatric Hematology & Oncology Physician · NPI 1558330829

Leonard Mattano, MD is a Pediatric Hematology & Oncology Physician in Kalamazoo, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
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

601 John St Ste E-300
Kalamazoo, MI 49007-5341
Phone: (269) 341-6350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 4301405921 (MI)

Record details

NPI number1558330829
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 17, 2006
Last updated in NPPESJuly 13, 2026
Mailing address1000 Oakland Dr, Kalamazoo, MI 49008-1282

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