Marianne Mainhardt, NP
NPI 1932290004 · Nurse Practitioner · Marinette, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Mainhardt, NP is a Nurse Practitioner provider in Marinette, WI (NPI 1932290004).
Provider details
- NPI number
- 1932290004
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 1565 (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
19 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
146 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 | 101 | $103 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $104 |
| Administration of Influenza Virus VaccineG0008 | 16 | $30 |
Typical Medicare-allowed amounts for these services range $30–$104 (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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 73 | 23 |
| Gabapentin | 68 | 16 |
| Amlodipine Besylate | 59 | 18 |
| Losartan Potassium | 54 | 14 |
| Lisinopril | 42 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 40 | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 1510 University DrMarinette, WI 54143-4131Phone: (715) 735-3998
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2024-10-21
- Certified
- 2024-10-21
Frequently asked questions
- What is Marianne Mainhardt's NPI number?
- Marianne Mainhardt's National Provider Identifier (NPI) is 1932290004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Mainhardt's specialty?
- Marianne Mainhardt is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marianne Mainhardt located?
- Marianne Mainhardt's practice location on file with NPPES is 4061 Old Peshtigo Rd, Marinette, WI 54143-3887.
- What is Marianne Mainhardt's phone number?
- The practice phone number listed in the NPPES registry for Marianne Mainhardt is (715) 732-8000.
- Does Marianne Mainhardt accept Medicare?
- Marianne Mainhardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Mainhardt's NPI active?
- Yes — Marianne Mainhardt's NPI (1932290004) is active in the NPPES registry as of the last update on 2024-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.