Katharine Willen, APRN
NPI 1841976701 · Family Nurse Practitioner · Dayton, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Willen, APRN is a Family Nurse Practitioner provider in Dayton, OH (NPI 1841976701).
Provider details
- NPI number
- 1841976701
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- APRN.CNP.0034109 (OH)
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
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3333 W Tech RdMiamisburg, OH 45342-0955Phone: (937) 641-4000Fax: (937) 641-4500
Registry dates
- Enumerated
- 2023-06-26
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Katharine Willen's NPI number?
- Katharine Willen's National Provider Identifier (NPI) is 1841976701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Willen's specialty?
- Katharine Willen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katharine Willen located?
- Katharine Willen's practice location on file with NPPES is 1 Childrens Plz, Dayton, OH 45404-1815.
- What is Katharine Willen's phone number?
- The practice phone number listed in the NPPES registry for Katharine Willen is (937) 641-4000.
- Does Katharine Willen accept Medicare?
- Katharine Willen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Willen's NPI active?
- Yes — Katharine Willen's NPI (1841976701) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.