HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / WI

GREGORY N GEISSINGER, PA

PHYSICIAN ASSISTANT

Graduated: 2000

NPI: 1699882969

Practice Locations (3)

MCHS HOSPITALS INC

1000 N OAK AVE

Marshfield, WI 544495703

MCHS HOSPITALS INC

1000 N OAK AVE

MARSHFIELD, WI 544495703

7153875511

ASPIRUS MEDICAL GROUP, INC.

425 PINE RIDGE BLVD, SUITE 300

WAUSAU, WI 544014124

7158472070

Source: CMS National Downloadable File, September 2026.

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