MARK D. HORNBACH MD
NPI 1194829515
Pediatrics in Rockford, IL

Q: What is Mark Hornbach's NPI number?

The NPI number for Mark Hornbach is 1194829515. It was assigned to this individual provider in the NPPES registry on September 8, 2006.

Q: What is Mark Hornbach'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 Mark Hornbach was last updated on January 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 September 08, 2006PECOS Enrolled

2300 N ROCKTON AVE, ROCKFORD, IL 61103(815) 971-2000 Get Directions Write a Review

NPPES record last updated: January 29, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mark D. Hornbach Md NPPES

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

MARK D. HORNBACH MD (NPI 1194829515) is an individual pediatrics provider in Rockford, Illinois, licensed in Illinois (036-070395) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194829515

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameMARK D. HORNBACHCredential: MD

Location Address2300 N ROCKTON AVERockford, IL 61103-3619

Mailing Address2300 N Rockton AveRockford, IL 61103-3619 · (815) 971-2000

Phone(815) 971-2000

Sole ProprietorNo

Enumeration DateSeptember 8, 2006

Last NPPES UpdateJanuary 29, 2010

✔ NPI 1194829515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036-070395

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.

2300 N ROCKTON AVE, Rockford, IL 61103

Open in Google Maps ↗

Other Identifiers 3

Medicare PIN792751IL

Medicaid036070395IL

Medicare UPINA78811IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark D. Hornbach Md 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 Mark Hornbach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rockford Health Physicians

0.1 mi

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.

JENNIFER DAVIDSON OT

Occupational Therapist

2300 N ROCKTON AVE
ROCKFORD, IL 61103

Winnebago County (815) 971-2000

ROBIN R. HOVIS MD

Internal Medicine (Rheumatology)

2300 N ROCKTON AVE
ROCKFORD, IL 61103

Winnebago County (815) 971-2000

DR. JOSEPH R WHITELEY M.D.

Surgery (Plastic and Reconstructive Surgery)

2300 N ROCKTON AVE, STE 304
ROCKFORD, IL 61103

Winnebago County (815) 964-3333

MICHELLE KLUNK PTA

Physical Therapy Assistant

2300 N ROCKTON AVE
ROCKFORD, IL 61103

Winnebago County (815) 971-2000

DR. SARAH M. BEAVES MD

Pediatrics

2300 N ROCKTON AVE
ROCKFORD, IL 61103

Winnebago County (815) 971-2000

ERIKA J OLTMANNS RD, LDN

Dietitian, Registered

2300 N ROCKTON AVE
ROCKFORD, IL 61103

Winnebago County (815) 971-2511

MRS. JESSICA A BARR APRN,BC

Nurse Practitioner (Family)

2300 N ROCKTON AVE, ROCKFORD HEALTH PHYSICIANS
ROCKFORD, IL 61103

Winnebago County (815) 971-2000

MRS. SANDRA KAY NICOLOSI APRN, BC

Nurse Practitioner (Family)

2300 N ROCKTON AVE
ROCKFORD, IL 61103

Winnebago County (815) 971-2000

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 Mark Hornbach's NPI number?

The NPI number for Mark Hornbach is 1194829515. It was assigned to this individual provider in the NPPES registry on September 8, 2006.

Where is Mark Hornbach located?

Mark Hornbach practices at 2300 N Rockton Ave, Rockford, IL 61103. The listed phone number is (815) 971-2000.

What is Mark Hornbach's specialty?

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

Is Mark Hornbach enrolled in Medicare?

Yes. Mark Hornbach is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Hornbach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hornbach reassigns Medicare benefits to Rockford Health Physicians (Rockford, IL). 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 Mark Hornbach'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 Mark Hornbach was last updated on January 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.