AMANDA MARIE WELLNITZ APNP
NPI 1588299697
Nurse Practitioner in Green Bay, WI

Q: What is Amanda Wellnitz's NPI number?

The NPI number for Amanda Wellnitz is 1588299697. It was assigned to this individual provider in the NPPES registry on March 9, 2020. The provider is also known as Amanda Marie Steinfeldt.

Q: What is Amanda Wellnitz'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 Amanda Wellnitz was last updated on April 28, 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 09, 2020PECOS EnrolledAccepts Medicare Assignment

2845 GREENBRIER RD, GREEN BAY, WI 54311(920) 288-8000 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 28, 2026, Nov 21, 2022, Nov 24, 2021 and 2 more (5 updates tracked since 2020).

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About Amanda Marie Wellnitz Apnp NPPES

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

AMANDA MARIE WELLNITZ APNP (NPI 1588299697) is an individual nurse practitioner in Green Bay, Wisconsin, licensed in Wisconsin (9901-33) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Aurora Baycare Medical Ctr, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1588299697

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameAMANDA MARIE WELLNITZCredential: APNP

Location Address2845 GREENBRIER RDGreen Bay, WI 54311-6519

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(920) 288-8000

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateMarch 9, 2020

Last NPPES UpdateApril 28, 20265 updates tracked since enumeration

NPPES CertifiedApril 28, 2026

✔ NPI 1588299697 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 WI · 9901-33

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.

2845 GREENBRIER RD, Green Bay, WI 54311

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Other Names 1

Former Name (1)Amanda Marie Steinfeldt

Secondary Practice Locations 2

Location 12253 W Mason StGreen Bay, WI 54303-4706 · Phone (920) 327-7300

Location 22633 Development Dr Ste 10Green Bay, WI 54311-4239 · Phone (920) 339-9065

Other Identifiers 1

Medicaid100098880WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Amanda Marie Wellnitz Apnp 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 ID1850721267

PECOS Enrollment IDI20200428000032

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.

Areas of Expertise CMS Part B claims 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

69 services52 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

61 services56 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

34 services34 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

14 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipProprietary

CMS Certification Number520193

Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54311 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.

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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.

AMRITHA CHANDRAHASA KARKERA M.D.

Internal Medicine (Hematology & Oncology)