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

Dr. Robert Aaron Marshall, MD, MPH

Individual provider Occupational Medicine Physician · NPI 1063438570

Dr. Robert Aaron Marshall, MD, MPH is an Occupational Medicine Physician in Janesville, Wisconsin. Licensed in Ohio and Wisconsin. Registered with an NPI since 2006.

Licensed in
OH, 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.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

1010 N Washington St
Janesville, WI 53548-1500
Phone: (608) 741-3800
Fax: (608) 741-3838
Show map & directions

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

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence 64058-20 (WI)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence 035049148 (OH)

Record details

NPI number1063438570
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJuly 15, 2006
Last updated in NPPESMay 29, 2015

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