Susan Olszewski, FNP-BC APNP
NPI 1568693828 · Nurse Practitioner · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Olszewski, FNP-BC APNP is a Nurse Practitioner provider in Fond Du Lac, WI (NPI 1568693828).
Provider details
- NPI number
- 1568693828
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 3781-033 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 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
237 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 | 153 | $101 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $72 |
| Administration of Influenza Virus VaccineG0008 | 16 | $30 |
Typical Medicare-allowed amounts for these services range $30–$103 (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 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 243 | 77 |
| Losartan Potassium | 190 | 65 |
| Levothyroxine Sodium | 174 | 43 |
| Amlodipine Besylate | 152 | 47 |
| Lisinopril | 133 | 49 |
| Omeprazole | 126 | 42 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-05
- Last updated
- 2025-10-16
- Certified
- 2025-10-16
Frequently asked questions
- What is Susan Olszewski's NPI number?
- Susan Olszewski's National Provider Identifier (NPI) is 1568693828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Olszewski's specialty?
- Susan Olszewski is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Olszewski located?
- Susan Olszewski's practice location on file with NPPES is 210 Wisconsin American Dr, Fond Du Lac, WI 54937-2999.
- What is Susan Olszewski's phone number?
- The practice phone number listed in the NPPES registry for Susan Olszewski is (920) 907-7000.
- Does Susan Olszewski accept Medicare?
- Susan Olszewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Olszewski's NPI active?
- Yes — Susan Olszewski's NPI (1568693828) is active in the NPPES registry as of the last update on 2025-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.