MRS. GILLIAN DIEDERICH WENZKE AG-ACNP
NPI 1669925673
Nurse Practitioner in Dayton, OH

Q: What is Gillian Wenzke's NPI number?

The NPI number for Gillian Wenzke is 1669925673. It was assigned to this individual provider in the NPPES registry on July 26, 2016. The provider is also known as Gillian Margaret Diederich Ag-Acnp.

Q: What is Gillian Wenzke's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Gillian Wenzke was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.

Active since July 26, 2016PECOS EnrolledAccepts Medicare Assignment

500 LINCOLN PARK BLVD, SUITE 100, DAYTON, OH 45429(937) 222-3118(937) 222-1436 Get Directions Write a Review

NPPES record last updated: November 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Mrs. Gillian Diederich Wenzke Ag-acnp NPPES

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

MRS. GILLIAN DIEDERICH WENZKE AG-ACNP (NPI 1669925673) is an individual nurse practitioner in Dayton, Ohio, licensed in Ohio (CNP.019493) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with Miami Valley Hospital, and is a graduate of Wright State University Boonshoft School Of Medicine (2016).

NPPES Registry Identity

NPI1669925673

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. GILLIAN DIEDERICH WENZKECredential: AG-ACNP

Location Address500 LINCOLN PARK BLVD, SUITE 100Dayton, OH 45429-3492

Mailing Address500 Lincoln Park Blvd, Suite 100Dayton, OH 45429-3492 · (937) 222-3118 · Fax (937) 222-1436

Phone(937) 222-3118

Fax(937) 222-1436

Sole ProprietorYes

Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2016

Enumeration DateJuly 26, 2016

Last NPPES UpdateNovember 8, 2024

NPPES CertifiedNovember 6, 2024

✔ NPI 1669925673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in OH · CNP.019493

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

500 LINCOLN PARK BLVD, Dayton, OH 45429

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Other Names 1

Former Name (1)Gillian Margaret Diederich Ag-acnp

Other Identifiers 1

MedicaidPENDINGOH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Gillian Diederich Wenzke Ag-acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678860673

PECOS Enrollment IDI20160919002179

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.

Medicare Billing Reassignments

Medicare enrollment records show Gillian Wenzke reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Renal Physicians Inc

Same address

Nephrology

500 LINCOLN PARK BLVD, SUITE 100
Kettering, OH 45429

Reassigned Medicare billing, Ohio enrollment
29 clinicians in this Medicare group

NPI 1962486316 (937) 222-3118

Nephrology Associates Of Dayton Inc

4.9 mi

Nephrology

7700 WASHINGTON VILLAGE DR, SUITE 230
Dayton, OH 45459

Reassigned Medicare billing, Ohio enrollment
25 clinicians in this Medicare group

NPI 1184698458 (937) 438-3132

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

255 services110 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Miami Valley Hospital

Acute Care Hospitals · Dayton, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360051

LocationOne Wyoming StreetDayton, OH 45409 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45429 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.

MS. NORIKO TSUCHIHASHI BANERJEE RN, CNP

Nurse Practitioner

500 LINCOLN PARK BLVD, SUITE 100
KETTERING, OH 45429

Montgomery County (937) 222-3118

DIANE CAROLAN STEGMAN PSYCHOTHERAPY LLC

Social Worker (Clinical)

500 LINCOLN PARK BLVD, SUITE 308
KETTERING, OH 45429

Montgomery County (937) 298-6288

NILESH SURESH MHASKAR MD

Internal Medicine (Nephrology)

500 LINCOLN PARK BLVD, SUITE 100
KETTERING, OH 45429

Montgomery County (937) 222-3118

NATALLIA MAROZ M.D.

Internal Medicine (Nephrology)

500 LINCOLN PARK BLVD, SUITE 100
KETTERING, OH 45429

Montgomery County (937) 222-3118

MRS. RACHEL J FLEENOR ST

500 LINCOLN PARK BLVD
KETTERING, OH 45429

Montgomery County (937) 293-5567

SIVA AMBALAVANAN MD

Internal Medicine (Nephrology)

500 LINCOLN PARK BLVD, SUITE 100
KETTERING, OH 45429

Montgomery County (937) 222-3118

JAYLA TREADWELL PA-C

Physician Assistant

500 LINCOLN PARK BLVD
KETTERING, OH 45429

Montgomery County (937) 222-3118

BIHU G SANDHIR M.D.

Internal Medicine

500 LINCOLN PARK BLVD, SUITE 110
KETTERING, OH 45429

Montgomery County (937) 531-5020

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 Gillian Wenzke's NPI number?

The NPI number for Gillian Wenzke is 1669925673. It was assigned to this individual provider in the NPPES registry on July 26, 2016. The provider is also known as Gillian Margaret Diederich Ag-Acnp.

Where is Gillian Wenzke located?

Gillian Wenzke practices at 500 Lincoln Park Blvd Suite 100, Dayton, OH 45429. The listed phone number is (937) 222-3118.

What is Gillian Wenzke's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Gillian Wenzke enrolled in Medicare?

Yes. Gillian Wenzke is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gillian Wenzke's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Wenzke reassigns Medicare benefits to 2 organizations: Renal Physicians Inc (Kettering, OH) and Nephrology Associates Of Dayton Inc (Dayton, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gillian Wenzke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gillian Wenzke accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual, Molina Healthcare and Oscar Health Insurance list Gillian Wenzke 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.

Is Gillian Wenzke affiliated with any hospitals?

According to CMS data, Gillian Wenzke is affiliated with Miami Valley Hospital.

When was this NPI record last updated?

The NPPES record for Gillian Wenzke was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.