JUSTIN KWAK M.D.
NPI 1700033628
Pediatrics in Rockford, IL

Q: What is Justin Kwak's NPI number?

The NPI number for Justin Kwak is 1700033628. It was assigned to this individual provider in the NPPES registry on August 21, 2008.

Q: What is Justin Kwak's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Justin Kwak was last updated on August 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 August 21, 2008PECOS Enrolled

2400 N ROCKTON AVE, ROCKFORD HEALTH PHYSICIANS, ROCKFORD, IL 61103(815) 971-5000(815) 968-7830 Get Directions Write a Review

NPPES record last updated: August 27, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Justin Kwak M.d. NPPES

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

JUSTIN KWAK M.D. (NPI 1700033628) is an individual pediatrics provider in Rockford, Illinois, licensed in Illinois (036.120211) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700033628

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameJUSTIN KWAKCredential: M.D.

Location Address2400 N ROCKTON AVE, ROCKFORD HEALTH PHYSICIANSRockford, IL 61103-3655

Mailing Address2400 N Rockton Ave, Rockford Health PhysiciansRockford, IL 61103-3655 · (815) 971-5000 · Fax (815) 968-7830

Phone(815) 971-5000

Fax(815) 968-7830

Sole ProprietorYes

Enumeration DateAugust 21, 2008

Last NPPES UpdateAugust 27, 2014

✔ NPI 1700033628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036.120211

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedHospitalistTaxonomy 208M00000X · License 036120211 (IL)

2400 N ROCKTON AVE, Rockford, IL 61103

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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)

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

Rockford Health Physicians

Same address

Anesthesiology

2400 N ROCKTON AVE
Rockford, IL 61103

Reassigned Medicare billing, Illinois enrollment
1,375 clinicians in this Medicare group

NPI 1023275278 (815) 971-5000

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 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.

KIMBERLY REMEDIOS-SMITH M.D.

Pediatrics (Neonatal-Perinatal Medicine)