Kathy Errthum, CNM
NPI 1326243445 · Advanced Practice Midwife · La Crosse, WI
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathy Errthum, CNM is a Advanced Practice Midwife provider in La Crosse, WI (NPI 1326243445).
Provider details
- NPI number
- 1326243445
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- R1782408 (MN)
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 tenure38% of score
19 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
- 2007-06-19
- Last updated
- 2022-08-10
- Certified
- 2022-08-10
Frequently asked questions
- What is Kathy Errthum's NPI number?
- Kathy Errthum's National Provider Identifier (NPI) is 1326243445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Errthum's specialty?
- Kathy Errthum is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathy Errthum located?
- Kathy Errthum's practice location on file with NPPES is 800 West Ave S, La Crosse, WI 54601-8806.
- What is Kathy Errthum's phone number?
- The practice phone number listed in the NPPES registry for Kathy Errthum is (608) 782-9760.
- Does Kathy Errthum accept Medicare?
- Kathy Errthum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathy Errthum's NPI active?
- Yes — Kathy Errthum's NPI (1326243445) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.