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

Individual provider Internal Medicine Physician · NPI 1689628067

John Charles Siano Jr., MD is an Internal Medicine Physician in Lansing, 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

1200 E Michigan Ave Ste 500
Lansing, MI 48912-1800
Phone: (517) 484-4033
Fax: (517) 484-2701
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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 · Licence 430051450 (MI)

Record details

NPI number1689628067
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2006
Last updated in NPPESApril 23, 2015

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