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

Dr. Gregory J Leitheiser, MD

Individual provider Family Medicine Physician · NPI 1659307361

Dr. Gregory J Leitheiser, MD is a Family Medicine Physician in Cumberland, 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.

See every abbreviation used in this directory →

Practice location Address checks out

1475 Webb St
Cumberland, WI 54829
Phone: (715) 822-2231
Fax: (715) 822-2023
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 29051 (WI)

Record details

NPI number1659307361
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2006
Last updated in NPPESDecember 30, 2010
Mailing address1475 Webb St, Po Box 127, Cumberland, WI 54829

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