SONIA F CALLEJAS M.D.
NPI 1740243724
Emergency Medicine in Rockford, IL

Q: What is Sonia Callejas's NPI number?

The NPI number for Sonia Callejas is 1740243724. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Q: What is Sonia Callejas's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sonia Callejas was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 10, 2006PECOS Enrolled

1401 E STATE ST, ROCKFORD, IL 61104(414) 290-6720(414) 290-6755 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Sonia F Callejas M.d. NPPES

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

SONIA F CALLEJAS M.D. (NPI 1740243724) is an individual emergency medicine provider in Rockford, Illinois, licensed in Illinois (036.111646) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740243724

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameSONIA F CALLEJASCredential: M.D.

Location Address1401 E STATE STRockford, IL 61104-2315

Mailing Address111 E Wisconsin Ave, Suite 2000Milwaukee, WI 53202-4815 · (414) 290-6720 · Fax (414) 290-6755

Phone(414) 290-6720

Fax(414) 290-6755

Sole ProprietorNo

Enumeration DateApril 10, 2006

Last NPPES UpdateDecember 1, 2021

✔ NPI 1740243724 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 · 036.111646

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.

1401 E STATE ST, Rockford, IL 61104

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Other Identifiers 2

Medicaid036111646IL

OtherP00281330IL · Medicare Railroad

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sonia F Callejas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Sonia Callejas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

1,651 mi

Health Maintenance Organization

43112 N 15TH ST
Lancaster, CA 93534

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1982863783 (661) 726-2279

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 61104 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.

MRS. MANISHA AJIT PATEL DPT

Physical Therapist