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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MERCY MEDICAL CENTER OF OSHKOSH, INC.
NPI 1023065356
General Acute Care Hospital in Oshkosh, WI

Active since May 30, 2006
500 S OAKWOOD RD, OSHKOSH, WI 54904(920) 720-1464(920) 720-1728 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 7, 2026, Oct 23, 2017 (2 updates tracked since 2017).

About Mercy Medical Center Of Oshkosh, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERCY MEDICAL CENTER OF OSHKOSH, INC. (NPI 1023065356), doing business as Ascension Ne Wisconsin Mercy Hospital, Inc, is a healthcare organization registered as a general acute care hospital in Oshkosh, Wisconsin and active in the NPI registry since May 2006. The organization lists Susan Dwyer, Cfo, as its authorized official.

NPPES Registry Identity

NPI1023065356
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameMERCY MEDICAL CENTER OF OSHKOSH, INC.
Location Address500 S OAKWOOD RDOshkosh, WI 54904-7944
Mailing Address500 S Oakwood RdOshkosh, WI 54904-7944 · (920) 223-2000
Phone(920) 720-1464
Fax(920) 720-1728
Organization SubpartNo
Authorized OfficialSusan DwyerCfo · (414) 465-3093
Enumeration DateMay 30, 2006
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1023065356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License✔ Licensed in WI · 186
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
500 S OAKWOOD RD, Oshkosh, WI 54904
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Other Names 1

Doing Business AsAscension Ne Wisconsin Mercy Hospital, Inc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Security Health Plan.Insurance ›

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANN MARION CAREY
Speech-Language Pathologist
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 223-0408
PATRICK A TOUSIGNANT CRNA
Nurse Anesthetist, Certified Registered
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 232-1941
MORGAN MOSLING
Nurse Practitioner (Family)
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 223-2000
HEATHER KLAUER RN
Registered Nurse
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 223-3333
KRISTOFFER L HAGEN CRNA
Nurse Anesthetist, Certified Registered
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 223-2000
WELL AMERICA INC
Psychologist (Clinical)
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (732) 485-1301
JOHN M LESCHKE MD
Anesthesiology
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 223-2000
ASCENSION NE WISCONSIN, INC
Psychiatric Unit
500 S OAKWOOD RD
OSHKOSH, WI 54904
Winnebago County (920) 223-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mercy Medical Center Of Oshkosh, Inc.'s NPI number?

The NPI number for Mercy Medical Center Of Oshkosh, Inc. is 1023065356. It was assigned to this organization in the NPPES registry on May 30, 2006. The provider is doing business as Ascension NE Wisconsin Mercy Hospital, Inc.

Where is Mercy Medical Center Of Oshkosh, Inc. located?

Mercy Medical Center Of Oshkosh, Inc. is located at 500 S Oakwood Rd, Oshkosh, WI 54904. The listed phone number is (920) 720-1464.

What is Mercy Medical Center Of Oshkosh, Inc.'s specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

What insurance does Mercy Medical Center Of Oshkosh, Inc. accept?

Health plans from CareSource (Common Ground Healthcare) and Security Health Plan list Mercy Medical Center Of Oshkosh, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mercy Medical Center Of Oshkosh, Inc. was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.