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DAVID I. WEISS MD SC
NPI 1841582434
Internal Medicine in Morton Grove, IL

Active since May 14, 2011
9129 WAUKEGAN RD, MORTON GROVE, IL 60053(847) 674-3371(847) 674-3381 Get Directions Write a Review

NPPES record last updated: May 14, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About David I. Weiss Md Sc NPPES

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

DAVID I. WEISS MD SC (NPI 1841582434) is a healthcare organization registered as an internal medicine in Morton Grove, Illinois and active in the NPI registry since May 2011. The organization lists David Weiss, President, as its authorized official.

NPPES Registry Identity

NPI1841582434
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDAVID I. WEISS MD SC
Location Address9129 WAUKEGAN RDMorton Grove, IL 60053-2120
Mailing Address4949 N Western AveChicago, IL 60625-1921 · (847) 674-3371 · Fax (847) 674-3381
Phone(847) 674-3371
Fax(847) 674-3381
Organization SubpartNo
Authorized OfficialDavid WeissPresident · (847) 674-3371
Enumeration DateMay 14, 2011
✔ NPI 1841582434 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 · 042008034036067075
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.
9129 WAUKEGAN RD, Morton Grove, IL 60053
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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)

David I. Weiss Md 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 David I. Weiss MD Sc, which bills Medicare for the services this clinician delivers.

Clinician (1)

David Weiss, MD
Internal Medicine
NPI 1851431068
9129 WAUKEGAN RD
Morton Grove, IL 60053
(847) 674-3371
✔ PECOS✔ Accepts MedicareSame address

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 David I. Weiss MD Sc's NPI number?

The NPI number for David I. Weiss MD Sc is 1841582434. It was assigned to this organization in the NPPES registry on May 14, 2011.

Where is David I. Weiss MD Sc located?

David I. Weiss MD Sc is located at 9129 Waukegan Rd, Morton Grove, IL 60053. The listed phone number is (847) 674-3371.

What is David I. Weiss MD Sc's specialty?

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

Is David I. Weiss MD Sc enrolled in Medicare?

Yes. David I. Weiss MD Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David I. Weiss MD Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to David I. Weiss MD 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 David I. Weiss MD Sc was last updated on May 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.