ANN ELIZABETH DETTLAFF APNP
NPI 1215236278
Nurse Practitioner in Oshkosh, WI

Q: What is Ann Dettlaff's NPI number?

The NPI number for Ann Dettlaff is 1215236278. It was assigned to this individual provider in the NPPES registry on March 16, 2011. The provider is also known as Ann Elizabeth Priest Apnp.

Q: What is Ann Dettlaff'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 Ann Dettlaff was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 March 16, 2011PECOS Enrolled

250 W 6TH AVE, OSHKOSH, WI 54902(920) 237-5000(920) 237-5011 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 29, 2026, Dec 1, 2021, Jan 10, 2020 and 1 more (4 updates tracked since 2018).

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About Ann Elizabeth Dettlaff Apnp NPPES

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

ANN ELIZABETH DETTLAFF APNP (NPI 1215236278) is an individual nurse practitioner in Oshkosh, Wisconsin, licensed in Wisconsin (4360-033) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Appleton.

NPPES Registry Identity

NPI1215236278

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameANN ELIZABETH DETTLAFFCredential: APNP

Location Address250 W 6TH AVEOshkosh, WI 54902-5910

Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 830-5900 · Fax (920) 830-5910

Phone(920) 237-5000

Fax(920) 237-5011

Sole ProprietorNo

Enumeration DateMarch 16, 2011

Last NPPES UpdateApril 29, 20264 updates tracked since enumeration

NPPES CertifiedApril 29, 2026

✔ NPI 1215236278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in WI · 4360-033✔ Licensed in WI · 4360-33

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.

250 W 6TH AVE, Oshkosh, WI 54902

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Other Names 1

Former Name (1)Ann Elizabeth Priest Apnp

Secondary Practice Location 1

Location 1720 W. Association Dr.Appleton, WI 54914 · Phone (920) 731-4354 ext. 1003 · Fax (920) 731-5021

Other Identifiers 2

Medicaid100014463WI

Medicaid1215236278WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann Elizabeth Dettlaff Apnp 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 54902 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers19 claims44 services$6.59 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier15 claims7,044 services$0.30 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 9

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

ALEEM BAKHTIAR M.D.

Emergency Medicine