Jennifer Halbach-Giese, APNP
NPI 1598112963 · Nurse Practitioner · Oshkosh, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Halbach-Giese, APNP is a Nurse Practitioner provider in Oshkosh, WI (NPI 1598112963).
Provider details
- NPI number
- 1598112963
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 6942 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
165 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $98 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 22 | $88 |
| Automated Urinalysis Test81003 | 20 | $2 |
Typical Medicare-allowed amounts for these services range $2–$98 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 53 | 52 |
| Cephalexin | 36 | 36 |
| Prednisone | 35 | 33 |
| Azithromycin | 31 | 31 |
| Doxycycline Hyclate | 28 | 27 |
| Methylprednisolone | 21 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 18 |
Practice location
Mailing address
Additional practice locations (1)
- 2500 E Capitol DrAppleton, WI 54911-8735Phone: (920) 830-5879Fax: (920) 738-4792
Registry dates
- Enumerated
- 2016-05-16
- Last updated
- 2025-06-09
- Certified
- 2025-06-09
Frequently asked questions
- What is Jennifer Halbach-Giese's NPI number?
- Jennifer Halbach-Giese's National Provider Identifier (NPI) is 1598112963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Halbach-Giese's specialty?
- Jennifer Halbach-Giese is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Halbach-Giese located?
- Jennifer Halbach-Giese's practice location on file with NPPES is 855 N Westhaven Dr, Oshkosh, WI 54904-7668.
- What is Jennifer Halbach-Giese's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Halbach-Giese is (920) 303-8700.
- Does Jennifer Halbach-Giese accept Medicare?
- Jennifer Halbach-Giese is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Halbach-Giese's NPI active?
- Yes — Jennifer Halbach-Giese's NPI (1598112963) is active in the NPPES registry as of the last update on 2025-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.