JULIA RUTH HALLACK APRN, CNP
NPI 1861218190
Nurse Practitioner in Chicago, IL

Q: What is Julia Hallack's NPI number?

The NPI number for Julia Hallack is 1861218190. It was assigned to this individual provider in the NPPES registry on December 3, 2024.

Q: What is Julia Hallack'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 Julia Hallack was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 December 03, 2024PECOS EnrolledAccepts Medicare Assignment

675 N SAINT CLAIR ST STE 19-100, CHICAGO, IL 60611(312) 664-3278(312) 695-5774 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 24, 2025, Jun 15, 2025, Dec 3, 2024 (3 updates tracked since 2024).

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About Julia Ruth Hallack Aprn, Cnp NPPES

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

JULIA RUTH HALLACK APRN, CNP (NPI 1861218190) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209032172) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1861218190

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameJULIA RUTH HALLACKCredential: APRN, CNP

Location Address675 N SAINT CLAIR ST STE 19-100Chicago, IL 60611-5969

Mailing Address675 N Saint Clair St Ste 19-100Chicago, IL 60611-5969 · (312) 664-3278 · Fax (312) 695-5774

Phone(312) 664-3278

Fax(312) 695-5774

Sole ProprietorYes

Medical School CMSOtherGraduated 2025

Enumeration DateDecember 3, 2024

Last NPPES UpdateJune 24, 20253 updates tracked since enumeration

NPPES CertifiedJune 24, 2025

✔ NPI 1861218190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209032172

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.

Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License 041.541613 (IL), RN.490237 (OH)

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 209.032172 (IL)

675 N SAINT CLAIR ST STE 19-100, Chicago, IL 60611

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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

Julia Ruth Hallack Aprn, Cnp 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 ID2860917291

PECOS Enrollment IDI20250418000373

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.

Hospital Affiliations CMS Care Compare

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

LAURA JEAN DAVIDSON M.D.

Internal Medicine (Interventional Cardiology)