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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMES LEE ROSENBERG MD
NPI 1003818469
Internal Medicine in Kenilworth, IL

Active since August 15, 2005Opted out of Medicare · through Jul 1, 2027
510 GREEN BAY RD, KENILWORTH, IL 60043(847) 256-3400(847) 256-3412 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James Lee Rosenberg Md NPPES

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

JAMES LEE ROSENBERG MD (NPI 1003818469) is an individual internal medicine provider in Kenilworth, Illinois, licensed in Illinois (036-042-022) and active in the NPI registry since August 2005. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1003818469
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJAMES LEE ROSENBERGCredential: MD
Location Address510 GREEN BAY RDKenilworth, IL 60043-1002
Mailing Address510 Green Bay RdKenilworth, IL 60043-1002 · (847) 256-3400 · Fax (847) 256-3412
Phone(847) 256-3400
Fax(847) 256-3412
Sole ProprietorNo
Enumeration DateAugust 15, 2005
Last NPPES UpdateJuly 12, 2026
✔ NPI 1003818469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-042-022
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License 036-042-022 (IL)
510 GREEN BAY RD, Kenilworth, IL 60043
Open in Google Maps ↗

Other Identifiers 2

Other100012214IL · Railroad Medicare
Other036042022IL · Blue Cross

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

James Lee Rosenberg Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2013 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2013
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60043 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JONATHAN F WILLIAMS D.0.
Internal Medicine (Gastroenterology)
510 GREEN BAY RD
KENILWORTH, IL 60043
Cook County (847) 256-3400
YOLANDRA L JOHNSON MD
Internal Medicine (Gastroenterology)
510 GREEN BAY RD
KENILWORTH, IL 60043
Cook County (847) 251-8661

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 James Rosenberg's NPI number?

The NPI number for James Rosenberg is 1003818469. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is James Rosenberg located?

James Rosenberg practices at 510 Green Bay Rd, Kenilworth, IL 60043. The listed phone number is (847) 256-3400.

What is James Rosenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Rosenberg enrolled in Medicare?

No. James Rosenberg has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for James Rosenberg was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.