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LAKE SHORE ADULT & GERIATRIC MEDICINE, LTD
NPI 1326056276
Family Medicine in Chicago, IL

Active since August 04, 2006
150 E HURON STREET, SUITE 805, CHICAGO, IL 60611(312) 649-6565(312) 649-9842 Get Directions Write a Review

NPPES record last updated: April 9, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Lake Shore Adult & Geriatric Medicine, Ltd NPPES

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

LAKE SHORE ADULT & GERIATRIC MEDICINE, LTD (NPI 1326056276) is a healthcare organization registered as a family medicine in Chicago, Illinois and active in the NPI registry since August 2006. The organization lists Mark Vexelman, President, as its authorized official.

NPPES Registry Identity

NPI1326056276
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameLAKE SHORE ADULT & GERIATRIC MEDICINE, LTD
Location Address150 E HURON STREET, SUITE 805Chicago, IL 60611-2912
Mailing Address150 E Huron Street, Suite 805Chicago, IL 60611-2912 · (312) 649-6565 · Fax (312) 649-9842
Phone(312) 649-6565
Fax(312) 649-9842
Organization SubpartNo
Authorized OfficialMark VexelmanPresident · (312) 649-6565
Enumeration DateAugust 4, 2006
Last NPPES UpdateApril 9, 2010
✔ NPI 1326056276 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 · 036095873
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.
150 E HURON STREET, Chicago, IL 60611
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Other Identifiers 1

Medicare PIN208984IL

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)

Lake Shore Adult & Geriatric Medicine, Ltd 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 Lake Shore Adult & Geriatric Medicine, Ltd, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mark Vexelman, MD
Internal Medicine
NPI 1700896750
150 E HURON STREET SUITE 805
Chicago, IL 60611
(312) 649-6565
✔ 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 Lake Shore Adult & Geriatric Medicine, Ltd's NPI number?

The NPI number for Lake Shore Adult & Geriatric Medicine, Ltd is 1326056276. It was assigned to this organization in the NPPES registry on August 4, 2006.

Where is Lake Shore Adult & Geriatric Medicine, Ltd located?

Lake Shore Adult & Geriatric Medicine, Ltd is located at 150 E Huron Street Suite 805, Chicago, IL 60611. The listed phone number is (312) 649-6565.

What is Lake Shore Adult & Geriatric Medicine, Ltd's specialty?

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

Is Lake Shore Adult & Geriatric Medicine, Ltd enrolled in Medicare?

Yes. Lake Shore Adult & Geriatric Medicine, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lake Shore Adult & Geriatric Medicine, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Lake Shore Adult & Geriatric Medicine, Ltd. 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 Lake Shore Adult & Geriatric Medicine, Ltd was last updated on April 9, 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.