Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LAUREN HOLDREN APRN, CNP
NPI 1174451702
Nurse Practitioner in Chicago, IL

Q: What is Lauren Holdren's NPI number?

The NPI number for Lauren Holdren is 1174451702. It was assigned to this individual provider in the NPPES registry on May 12, 2026.

Q: What is Lauren Holdren'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 Lauren Holdren was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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 May 12, 2026PECOS Enrolled

259 E ERIE ST STE 2450, CHICAGO, IL 60611(312) 694-6447(312) 472-6580 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 1, 2026, May 12, 2026 (2 updates tracked since 2026).

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About Lauren Holdren Aprn, Cnp NPPES

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

LAUREN HOLDREN APRN, CNP (NPI 1174451702) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209030539) and active in the NPI registry since May 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1174451702

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameLAUREN HOLDRENCredential: APRN, CNP

Location Address259 E ERIE ST STE 2450Chicago, IL 60611-3926

Mailing Address259 E Erie St Ste 2450Chicago, IL 60611-3926 · (312) 694-6447 · Fax (312) 472-6580

Phone(312) 694-6447

Fax(312) 472-6580

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMay 12, 2026

Last NPPES UpdateOctober 1, 20262 updates tracked since enumeration

NPPES CertifiedOctober 1, 2026

✔ NPI 1174451702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209030539

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 ListedNurse Practitioner · Women's HealthTaxonomy 363LW0102X · License 209.030539 (IL)

259 E ERIE ST STE 2450, Chicago, IL 60611

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lauren Holdren Aprn, Cnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931664059

PECOS Enrollment IDI20260720002160

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 Reassignment

Medicare enrollment records show Lauren Holdren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation

34 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

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

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 16

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

KELLY CHAPLIN

Physical Therapist