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

Howard L. Alt, MD, SC

Organization Preferred Provider Organization · NPI 1821203720

Howard L. Alt, MD, SC is a Preferred Provider Organization in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007

Practice location Address checks out

645 N Michigan Ave Ste 422
Chicago, IL 60611-5800
Phone: (312) 642-0060
Fax: (312) 642-1403
Show map & directions

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

Specialties & licences

Preferred Provider Organization (primary) Taxonomy 305R00000X · Licence 36-45795 (IL)

Record details

NPI number1821203720
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Howard Alt — President · (312) 642-0060
NPI enumeratedMay 14, 2007
Last updated in NPPESNovember 29, 2008
Mailing address645 N Michigan Ave Ste 422, Chicago, IL 60611-5800

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