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Psychiatry

Jennifer I. Giesige, DO

Works at hospitals in Fond Du Lac, WI · Wisconsin

Summary

Dr. Jennifer I. Giesige, DO is a psychiatrist at 620 W Brown St, Waupun, WI 53963. Phone: (920) 926-4100. Accepts Medicare assignment. In 2024, Jennifer I. Giesige had 34 Original Medicare patients and 174 services. NPI 1235450461. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 620 W Brown St, Waupun, WI 53963 · Directions
  • Phone: (920) 926‑4100
  • Medicare: Accepts Medicare assignment
  • Hospital: SSM Health St Agnes Hospital-Fond Du Lac
  • Group practice: Agnesian Healthcare Inc
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer I. Giesige, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer I. Giesige accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer I. Giesige accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jennifer I. Giesige see?
In 2024, CMS data shows 34 Original Medicare patients and 174 services for Jennifer I. Giesige. This counts Original Medicare only and measures volume, not quality.
What is Jennifer I. Giesige's NPI number?
1235450461. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jennifer I. Giesige, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients34
Services billed to Medicare174
Different services or procedures5
Participating Medicare providerYes
Average age of these patients61

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)166 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Depression75%
  • Anxiety75%
  • High cholesterol62%
  • High blood pressure56%

Hospitals where Jennifer I. Giesige works

Medicare's Facility Affiliation Data lists Jennifer I. Giesige at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jennifer I. Giesige is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer I. Giesige as a member of this group (CMS data updated October 2, 2026).

  • Agnesian Healthcare Inc388 clinicians in the group

Specialties

Find other Psychiatry doctors in Wisconsin →

Other psychiatrists in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All psychiatrists in Wisconsin →

Other clinicians in Agnesian Healthcare Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235450461
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians