Cynthia Liethen, APNP
NPI 1932459492 · Nurse Practitioner · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Liethen, APNP is a Nurse Practitioner provider in Fond Du Lac, WI (NPI 1932459492).
Provider details
- NPI number
- 1932459492
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 4960 (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
13 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
- 2012-09-12
- Last updated
- 2020-12-31
- Certified
- 2020-12-31
Frequently asked questions
- What is Cynthia Liethen's NPI number?
- Cynthia Liethen's National Provider Identifier (NPI) is 1932459492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Liethen's specialty?
- Cynthia Liethen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Liethen located?
- Cynthia Liethen's practice location on file with NPPES is 420 E Division St, Fond Du Lac, WI 54935-4560.
- What is Cynthia Liethen's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Liethen is (920) 926-5666.
- Does Cynthia Liethen accept Medicare?
- Cynthia Liethen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Liethen's NPI active?
- Yes — Cynthia Liethen's NPI (1932459492) is active in the NPPES registry as of the last update on 2020-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.