MARY K ZIELKE FNP
NPI 1467841338
Nurse Practitioner in Jacksonville, IL

Q: What is Mary Zielke's NPI number?

The NPI number for Mary Zielke is 1467841338. It was assigned to this individual provider in the NPPES registry on January 15, 2015.

Q: What is Mary Zielke'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 Mary Zielke was last updated on June 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 January 15, 2015PECOS EnrolledAccepts Medicare Assignment

1600 W WALNUT ST, JACKSONVILLE, IL 62650(217) 245-7275 Get Directions Write a Review

NPPES record last updated: June 18, 2020. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jun 18, 2020, Mar 15, 2016 (2 updates tracked since 2016).

On this page

About Mary K Zielke Fnp NPPES

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

MARY K ZIELKE FNP (NPI 1467841338) is an individual nurse practitioner in Jacksonville, Illinois, licensed in Illinois (209012398) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1467841338

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARY K ZIELKECredential: FNP

Location Address1600 W WALNUT STJacksonville, IL 62650-1136

Mailing AddressPo Box 19639Springfield, IL 62794-9639 · (217) 545-7578

Phone(217) 245-7275

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJanuary 15, 2015

Last NPPES UpdateJune 18, 20202 updates tracked since enumeration

NPPES CertifiedJune 18, 2020

✔ NPI 1467841338 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 IL · 209012398

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.

1600 W WALNUT ST, Jacksonville, IL 62650

Open in Google Maps ↗

Other Identifiers 1

Medicaid209012398IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Mary K Zielke Fnp 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 ID2365767704

PECOS Enrollment IDI20250409000278

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

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 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.

169 services50 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62650 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

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

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.

HEALTHCARE NETWORK ASSOCIATES

Clinic/Center (Multi-Specialty)