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DR. MARY JO IRONSIDE MD
NPI 1275579658
Family Medicine in Rockford, IL

Active since June 22, 2006PECOS EnrolledAccepts Medicare Assignment
1221 E STATE ST, ROCKFORD, IL 61104(815) 972-1000(815) 972-1086 Get Directions Write a Review

NPPES record last updated: November 1, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 1, 2023, Oct 27, 2023 (2 updates tracked since 2023).

About Dr. Mary Jo Ironside Md NPPES

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

DR. MARY JO IRONSIDE MD (NPI 1275579658) is an individual family medicine provider in Rockford, Illinois, licensed in Illinois (036069571) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1983).

NPPES Registry Identity

NPI1275579658
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARY JO IRONSIDECredential: MD
Location Address1221 E STATE STRockford, IL 61104-2231
Mailing Address1601 Parkview Ave, Credentialing S200cRockford, IL 61107-1822 · (815) 395-5861 · Fax (815) 395-5575
Phone(815) 972-1000
Fax(815) 972-1086
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1983
Enumeration DateJune 22, 2006
Last NPPES UpdateNovember 1, 20232 updates tracked since enumeration
NPPES CertifiedNovember 1, 2023
✔ NPI 1275579658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036069571
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1221 E STATE ST, Rockford, IL 61104
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Other Names 1

Other Name (5)Mary Jo Ross

Other Identifiers 1

Medicaid036069571IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan.Insurance ›

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. Mary Jo Ironside 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 ID8325180151
PECOS Enrollment IDI20100116000323
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

2

Medicare enrollment records show Mary Jo Ironside reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Board Of Trustees Of The University Of Illinois
Same address
Federally Qualified Health Center (FQHC)
1221 E STATE ST
Rockford, IL 61104
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1003218348 (Illinois)
  • 30 clinicians in this Medicare group
NPI 1306486022 (312) 413-3282
Swedishamerican Hospital
0.1 mi
Obstetrics & Gynecology
209 9TH ST, SUITE 200
Rockford, IL 61104
  • Reassigned Medicare billing, Illinois enrollment
  • 474 clinicians in this Medicare group
NPI 1124173851 (779) 696-2750

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

Uw Health

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140228
Location1401 East State StreetRockford, IL 61104 · Winnebago County
Emergency services Birthing friendly

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers12 claims32 services$5.37 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier12 claims12 services$169.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DOLORES APREDA DO
Student in an Organized Health Care Education/Training Program
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1037
DR. WARDHA MOWLA DO
Student in an Organized Health Care Education/Training Program
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1037
MARCIA A. ZUKOSKY NP
Nurse Practitioner
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1000
AAROHI MUNSHI MD
Family Medicine
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1000
DANIELLE SUZANNE RODRIGUEZ APRN
Nurse Practitioner (Family)
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1000
JESSECA PIRKLE MD MPH
Family Medicine
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1000
DR. AMANDEEP KAUR MD
Family Medicine
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1000
NIROGH GLEN VALENTINE MD
Student in an Organized Health Care Education/Training Program
1221 E STATE ST
ROCKFORD, IL 61104
Winnebago County (815) 972-1000

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 Mary Jo Ironside's NPI number?

The NPI number for Mary Jo Ironside is 1275579658. It was assigned to this individual provider in the NPPES registry on June 22, 2006. The provider is also known as Mary Jo Ross.

Where is Mary Jo Ironside located?

Mary Jo Ironside practices at 1221 E State St, Rockford, IL 61104. The listed phone number is (815) 972-1000.

What is Mary Jo Ironside's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Jo Ironside enrolled in Medicare?

Yes. Mary Jo Ironside 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 Mary Jo Ironside's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Jo Ironside reassigns Medicare benefits to 2 organizations: The Board Of Trustees Of The University Of Illinois (Rockford, IL) and Swedishamerican Hospital (Rockford, IL). 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 Mary Jo Ironside's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Jo Ironside accept?

Health plans from Aspirus Health Plan list Mary Jo Ironside as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Jo Ironside affiliated with any hospitals?

According to CMS data, Mary Jo Ironside is affiliated with University Of Illinois Hospital And Clinics and Uw Health.

When was this NPI record last updated?

The NPPES record for Mary Jo Ironside was last updated on November 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.