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

John J Maher, MD

Individual provider Emergency Medicine Physician · NPI 1588762819

John J Maher, MD is an Emergency Medicine Physician in Beloit, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
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

1969 W Hart Rd
Beloit, WI 53511-2230
Phone: (608) 758-7215
Fax: (608) 758-3216
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 026681 (WI)

Record details

NPI number1588762819
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESMay 5, 2011
Mailing address1446 N Randall Ave, Janesville, WI 53545-1122

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