Jennifer Giesige, D.O
NPI 1235450461 · Psychiatry Physician · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Giesige, D.O is a Psychiatry Physician provider in Fond Du Lac, WI (NPI 1235450461).
Provider details
- NPI number
- 1235450461
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Female
- Sole proprietor
- No
- License
- 66482-21 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
166 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $83 |
Typical Medicare-allowed amounts for these services range $83–$90 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 152 | 25 |
| Clonazepam | 112 | 16 |
| Bupropion Hclbrand: Bupropion Xl | 88 | 18 |
| Buspirone Hcl | 85 | 15 |
| Aripiprazole | 78 | 14 |
| Lorazepam | 75 | 16 |
| Mirtazapine | 74 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-22
- Last updated
- 2020-10-20
- Certified
- 2020-10-20
Frequently asked questions
- What is Jennifer Giesige's NPI number?
- Jennifer Giesige's National Provider Identifier (NPI) is 1235450461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Giesige's specialty?
- Jennifer Giesige is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Giesige located?
- Jennifer Giesige's practice location on file with NPPES is 430 E Division St, Fond Du Lac, WI 54935-4560.
- What is Jennifer Giesige's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Giesige is (920) 929-2300.
- Does Jennifer Giesige accept Medicare?
- Jennifer Giesige is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Giesige's NPI active?
- Yes — Jennifer Giesige's NPI (1235450461) is active in the NPPES registry as of the last update on 2020-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.