Larissa Niedfeldt, APNP
NPI 1649608225 · Family Nurse Practitioner · La Crosse, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larissa Niedfeldt, APNP is a Family Nurse Practitioner provider in La Crosse, WI (NPI 1649608225).
Provider details
- NPI number
- 1649608225
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 5551 (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 tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-10-17
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is Larissa Niedfeldt's NPI number?
- Larissa Niedfeldt's National Provider Identifier (NPI) is 1649608225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larissa Niedfeldt's specialty?
- Larissa Niedfeldt is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Larissa Niedfeldt located?
- Larissa Niedfeldt's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Larissa Niedfeldt's phone number?
- The practice phone number listed in the NPPES registry for Larissa Niedfeldt is (608) 782-7300.
- Does Larissa Niedfeldt accept Medicare?
- Larissa Niedfeldt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larissa Niedfeldt's NPI active?
- Yes — Larissa Niedfeldt's NPI (1649608225) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.