CAROLINA HALINA HARTJE DO
NPI 1942881883
Emergency Medicine in Peoria, IL

Active since April 20, 2021PECOS EnrolledAccepts Medicare Assignment
530 NE GLEN OAK AVE, PEORIA, IL 61637(309) 655-2109 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2026, Sep 6, 2021, Apr 20, 2021 (3 updates tracked since 2021).

About Carolina Halina Hartje Do NPPES

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

CAROLINA HALINA HARTJE DO (NPI 1942881883) is an individual emergency medicine provider in Peoria, Illinois, licensed in Illinois (036168709) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942881883
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCAROLINA HALINA HARTJECredential: DO
Location Address530 NE GLEN OAK AVEPeoria, IL 61637-0001
Mailing Address530 Ne Glen Oak AvePeoria, IL 61637-0001
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateApril 20, 2021
Last NPPES UpdateMarch 31, 20263 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1942881883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IL · 036168709✔ Licensed in WI · 81430-21
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
530 NE GLEN OAK AVE, Peoria, IL 61637

Secondary Practice Locations 2

Location 11045 W Stephenson StFreeport, IL 61032-4864 · Phone (815) 599-6000 · Fax (815) 599-7974
Location 21000 Mineral Point AveJanesville, WI 53548-2982 · Phone (608) 756-6868 · Fax (608) 756-6289

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

Carolina Halina Hartje Do 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 ID5395141626
PECOS Enrollment IDI20240925000961, I20240925001392
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

5

Medicare enrollment records show Carolina Hartje reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
1045 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 478 clinicians in this Medicare group
Family Medicine
1036 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 391 clinicians in this Medicare group
Anesthesiology
2400 N ROCKTON AVE
Rockford, IL 61103
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
Critical Access
901 GRANT ST
Harvard, IL 60033
  • Reassigned Medicare billing, Illinois enrollment
  • 382 clinicians in this Medicare group
Multi-Specialty
580 N WASHINGTON ST
Janesville, WI 53548
  • Reassigned Medicare billing, Illinois and Wisconsin enrollments
  • Also billed through NPI 1699728550 (Wisconsin)
  • 671 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 2

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
58 services57 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
44 services44 patients

Hospital Affiliations CMS Care Compare

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

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61637 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.

Pathology (Anatomic Pathology & Clinical Pathology)
530 NE GLEN OAK AVE, CENTRAL ILLINOIS PATHOLOGY SC
PEORIA, IL 61637
Pediatrics
530 NE GLEN OAK AVE
PEORIA, IL 61637
Surgery
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Internal Medicine (Interventional Cardiology)
530 NE GLEN OAK AVE
PEORIA, IL 61637

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 Carolina Hartje's NPI number?

The NPI number for Carolina Hartje is 1942881883. It was assigned to this individual provider in the NPPES registry on April 20, 2021.

Where is Carolina Hartje located?

Carolina Hartje practices at 530 NE Glen Oak Ave, Peoria, IL 61637. The listed phone number is (309) 655-2109.

What is Carolina Hartje's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Carolina Hartje enrolled in Medicare?

Yes. Carolina Hartje 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 Carolina Hartje's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolina Hartje reassigns Medicare benefits to 5 organizations: Freeport Memorial Hospital (Freeport, IL), Freeport Regional Health Care Foundation (Freeport, IL), Rockford Health Physicians (Rockford, IL), Mercy Harvard Hospital Inc (Harvard, IL) and Mercy Health System Corporation (Janesville, WI). 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 Carolina Hartje's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Carolina Hartje affiliated with any hospitals?

According to CMS data, Carolina Hartje is affiliated with Mercy Health System Corp.

When was this NPI record last updated?

The NPPES record for Carolina Hartje was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.