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DENENBERG MEDICAL SC
NPI 1659601862
Internal Medicine in Skokie, IL

Active since January 11, 2010
4905 OLD ORCHARD CTR, LOWER LEVEL, SKOKIE, IL 60077(847) 679-6707(847) 679-6721 Get Directions Write a Review

NPPES record last updated: January 11, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Denenberg Medical Sc NPPES

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

DENENBERG MEDICAL SC (NPI 1659601862) is a healthcare organization registered as an internal medicine in Skokie, Illinois and active in the NPI registry since January 2010. The organization lists Greg Denenberg, President, as its authorized official.

NPPES Registry Identity

NPI1659601862
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDENENBERG MEDICAL SC
Location Address4905 OLD ORCHARD CTR, LOWER LEVELSkokie, IL 60077-1458
Mailing Address4905 Old Orchard Ctr, Lower LevelSkokie, IL 60077-1458 · (847) 679-6707 · Fax (847) 679-6721
Phone(847) 679-6707
Fax(847) 679-6721
Organization SubpartNo
Authorized OfficialGreg DenenbergPresident · (847) 679-6707
Enumeration DateJanuary 11, 2010
✔ NPI 1659601862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036098295
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.
4905 OLD ORCHARD CTR, Skokie, IL 60077
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Other Identifiers 2

Medicare UPINH11179IL
Other01637204IL · Blue Cross Blue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Denenberg Medical Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Denenberg Medical Sc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Greg Denenberg, MD
Internal Medicine
NPI 1235185299
2501 COMPASS RD STE 100
Glenview, IL 60026
(847) 901-5200
✔ PECOS✔ Accepts Medicare4.4 mi

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

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 Denenberg Medical Sc's NPI number?

The NPI number for Denenberg Medical Sc is 1659601862. It was assigned to this organization in the NPPES registry on January 11, 2010.

Where is Denenberg Medical Sc located?

Denenberg Medical Sc is located at 4905 Old Orchard Ctr Lower Level, Skokie, IL 60077. The listed phone number is (847) 679-6707.

What is Denenberg Medical Sc's specialty?

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

Is Denenberg Medical Sc enrolled in Medicare?

Yes. Denenberg Medical Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Denenberg Medical Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Denenberg Medical Sc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Denenberg Medical Sc was last updated on January 11, 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.