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

Marsha Horwitz, MD

Individual provider Neurology Physician · NPI 1992757553

Marsha Horwitz, MD is a Neurology Physician in Dubuque, Iowa. Licensed in Iowa and Wisconsin. Registered with an NPI since 2006.

Licensed in
IA, WI
In the registry since
2006
Specialties on file
2
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

1000 Langworthy St
Dubuque, IA 52001-7313
Phone: (563) 584-3495
Fax: (563) 584-3395
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 33757 (IA)
Neurology Physician Taxonomy 2084N0400X · Licence 48570 (WI)

Record details

NPI number1992757553
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESJanuary 12, 2011

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