DR. CHRISTINE COERVER ASSIA MD
NPI 1245340421
Emergency Medicine in Rockford, IL

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
2400 N ROCKTON AVE, ROCKFORD, IL 61103(815) 971-3333 Get Directions Write a Review

NPPES record last updated: May 27, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Christine Coerver Assia Md NPPES

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

DR. CHRISTINE COERVER ASSIA MD (NPI 1245340421) is an individual emergency medicine provider in Rockford, Illinois, licensed in Illinois (036091024) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1993).

NPPES Registry Identity

NPI1245340421
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHRISTINE COERVER ASSIACredential: MD
Location Address2400 N ROCKTON AVERockford, IL 61103-3655
Mailing Address2254 Military RdArlington, VA 22207-3958 · (571) 970-8733
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1993
Enumeration DateAugust 30, 2006
Last NPPES UpdateMay 27, 2021
NPPES CertifiedMay 27, 2021
✔ NPI 1245340421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036091024
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.
2400 N ROCKTON AVE, Rockford, IL 61103

Other Names 1

Former Name (1)Christine Lynn Coerver Md

Other Identifiers 1

Medicaid036091024IL

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

Dr. Christine Coerver Assia Md 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 ID4284696584
PECOS Enrollment IDI20041029000168
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 Christine Assia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
655 WATKINS MILL RD
Gaithersburg, MD 20879
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,492 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.

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.
20 services19 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61103 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.

Pediatrics (Neonatal-Perinatal Medicine)
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Hospitalist
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Obstetrics & Gynecology
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Anesthesiology
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Anesthesiology
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Emergency Medicine
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Nurse Practitioner (Family)
2400 N ROCKTON AVE
ROCKFORD, IL 61103
Developmental Therapist
2400 N ROCKTON AVE
ROCKFORD, IL 61103

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 Christine Assia's NPI number?

The NPI number for Christine Assia is 1245340421. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Christine Lynn Coerver MD.

Where is Christine Assia located?

Christine Assia practices at 2400 N Rockton Ave, Rockford, IL 61103. The listed phone number is (815) 971-3333.

What is Christine Assia's specialty?

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

Is Christine Assia enrolled in Medicare?

Yes. Christine Assia 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 organization bills Medicare for Christine Assia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Assia reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD). The 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 Christine Assia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christine Assia was last updated on May 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.