CAROL A MONTILLA DNP, APRN, AGACNP-BC
NPI 1245610054
Nurse Practitioner in Chicago, IL

Active since June 05, 2015PECOS EnrolledAccepts Medicare Assignment
259 E ERIE ST STE 1950, CHICAGO, IL 60611(312) 695-8143(312) 695-4075 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 17, 2026, Jan 28, 2026 (2 updates tracked since 2026).

About Carol A Montilla Dnp, Aprn, Agacnp-bc NPPES

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

CAROL A MONTILLA DNP, APRN, AGACNP-BC (NPI 1245610054) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209014427) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2014).

NPPES Registry Identity

NPI1245610054
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCAROL A MONTILLACredential: DNP, APRN, AGACNP-BC
Location Address259 E ERIE ST STE 1950Chicago, IL 60611-3907
Mailing Address259 E Erie St Ste 1950Chicago, IL 60611-3907 · (312) 695-8143 · Fax (312) 695-4075
Fax(312) 695-4075
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2014
Enumeration DateJune 5, 2015
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1245610054 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 · 209014427
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 · FamilyTaxonomy 363LF0000X · License RN244263 (GA)
259 E ERIE ST STE 1950, Chicago, IL 60611

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carol A Montilla Dnp, Aprn, Agacnp-bc 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 ID6800199894
PECOS Enrollment IDI20210601002351
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 Reassignments

3

Medicare enrollment records show Carol Montilla reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1411 S MICHIGAN AVE
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 635 clinicians in this Medicare group
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group

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

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
53 services34 patients

Hospital Affiliations CMS Care Compare 2

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

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

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 11

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

Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carol Montilla's NPI number?

The NPI number for Carol Montilla is 1245610054. It was assigned to this individual provider in the NPPES registry on June 5, 2015.

Where is Carol Montilla located?

Carol Montilla practices at 259 E Erie St Ste 1950, Chicago, IL 60611. The listed phone number is (312) 695-8143.

What is Carol Montilla's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Carol Montilla enrolled in Medicare?

Yes. Carol Montilla is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Carol Montilla's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carol Montilla reassigns Medicare benefits to 3 organizations: Rush University Medical Center (Chicago, IL), The University Of Chicago Medical Center (Chicago, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carol Montilla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carol Montilla accept?

Health plans from Oscar Health list Carol Montilla as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Carol Montilla affiliated with any hospitals?

According to CMS data, Carol Montilla is affiliated with Rush University Medical Center and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Carol Montilla was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.