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KATHARINE MAE WILLEN APRN
NPI 1841976701
Nurse Practitioner - Family in Dayton, OH

Active since June 26, 2023PECOS Enrolled
1 CHILDRENS PLZ, DAYTON, OH 45404(937) 641-4000(937) 641-4500 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 5, 2026, Dec 30, 2025, Dec 10, 2025 and 1 more (4 updates tracked since 2023).

About Katharine Mae Willen Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHARINE MAE WILLEN APRN (NPI 1841976701) is an individual family provider in Dayton, Ohio, licensed in Ohio (APRN.CNP.0034109) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Miamisburg.

NPPES Registry Identity

NPI1841976701
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHARINE MAE WILLENCredential: APRN
Location Address1 CHILDRENS PLZDayton, OH 45404-1815
Mailing AddressPo Box 933432Cleveland, OH 44193-0039 · (937) 641-5072 · Fax (937) 641-6129
Phone(937) 641-4000
Fax(937) 641-4500
Sole ProprietorNo
Enumeration DateJune 26, 2023
Last NPPES UpdateJanuary 5, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1841976701 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in OH · APRN.CNP.0034109
1 CHILDRENS PLZ, Dayton, OH 45404
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Secondary Practice Location 1

Location 13333 W Tech RdMiamisburg, OH 45342-0955 · Phone (937) 641-4000 · Fax (937) 641-4500

Other Identifiers 1

Medicaid0030151OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, MedMutual.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katharine Mae Willen Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEMANTH SHIMOGA LINGADEVARU MD,MPH,FAAP
Pediatrics (Pediatric Critical Care Medicine)
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-3000
TANYA PAUL M.D
Pediatrics (Pediatric Emergency Medicine)
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-3600
NICOLE LYNNE-BENDT SCOTT
Physician Assistant
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-3600
CODY H MCMILLAN
Physician Assistant
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-3000
TANIA MONTENEGRO MS, MPH
Genetic Counselor, MS
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-5923
MS. FAITH ANGELA CALLIF-DALEY M.S.
Genetic Counselor, MS
1 CHILDRENS PLZ, DAYTON CHILDREN'S MEDICAL CENTER
DAYTON, OH 45404
Montgomery County (937) 641-5645
DR. EMMETT H BROXSON JR. MD
Pediatrics (Pediatric Hematology-Oncology)
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-3111
DR. RAMAKRISHNA MUTYALA MD
Pediatrics (Pediatric Gastroenterology)
1 CHILDRENS PLZ
DAYTON, OH 45404
Montgomery County (937) 641-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katharine Willen's NPI number?

The NPI number for Katharine Willen is 1841976701. It was assigned to this individual provider in the NPPES registry on June 26, 2023.

Where is Katharine Willen located?

Katharine Willen practices at 1 Childrens Plz, Dayton, OH 45404. The listed phone number is (937) 641-4000.

What is Katharine Willen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katharine Willen enrolled in Medicare?

Yes. Katharine Willen is registered in the Medicare PECOS enrollment system.

What insurance does Katharine Willen accept?

Health plans from CareSource and MedMutual list Katharine Willen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katharine Willen was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.