DIABETES & ENDOCRINOLOGY GROUP, S.C.
NPI 1518406388
Internal Medicine - Endocrinology, Diabetes & Metabolism in Hinsdale, IL

Active since February 14, 2017CLIA 14D2126323 · Waiver
201 E OGDEN AVE, SUITE 26, HINSDALE, IL 60521(612) 868-6999(708) 310-4381 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 6, 2026, Jun 28, 2024, Feb 14, 2017 (3 updates tracked since 2017).

About Diabetes & Endocrinology Group, S.c. NPPES

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

DIABETES & ENDOCRINOLOGY GROUP, S.C. (NPI 1518406388) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Hinsdale, Illinois and active in the NPI registry since February 2017. The organization holds a CLIA Waiver certificate valid through February 22, 2027 and lists Hong Shing Lee, Owner, as its authorized official.

NPPES Registry Identity

NPI1518406388
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameDIABETES & ENDOCRINOLOGY GROUP, S.C.
Location Address201 E OGDEN AVE, SUITE 26Hinsdale, IL 60521-3633
Mailing Address201 E Ogden Ave Ste 26Hinsdale, IL 60521-3651 · (630) 323-2455 · Fax (630) 323-2422
Fax(708) 310-4381
Organization SubpartNo
Authorized OfficialHong Shing LeeOwner · (612) 868-6999
Enumeration DateFebruary 14, 2017
Last NPPES UpdateFebruary 6, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
✔ NPI 1518406388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
201 E OGDEN AVE, Hinsdale, IL 60521

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)

Diabetes & Endocrinology Group, S.c. 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 Diabetes & Endocrinology Group, S.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Endocrinology
NPI 1023289444
201 E OGDEN AVE STE 26
Hinsdale, IL 60521
(630) 323-2455
✔ 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2126323

Diabetes & Endocrinology Group Sc · Hinsdale, IL
Active · expires Feb 22, 2027
CLIA Number14D2126323
Laboratory TypePhysician Office
Certificate Effective DateFebruary 23, 2025
Certificate Expiration DateFebruary 22, 2027
Laboratory DirectorHong S. Lee MD
Laboratory Phone(630) 323-2455
Laboratory LocationDiabetes & Endocrinology Group Sc201 E Ogden Ave, Ste 26, Hinsdale, IL 60521
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Diabetes & Endocrinology Group, S.C.'s NPI number?

The NPI number for Diabetes & Endocrinology Group, S.C. is 1518406388. It was assigned to this organization in the NPPES registry on February 14, 2017.

Where is Diabetes & Endocrinology Group, S.C. located?

Diabetes & Endocrinology Group, S.C. is located at 201 E Ogden Ave Suite 26, Hinsdale, IL 60521. The listed phone number is (612) 868-6999.

What is Diabetes & Endocrinology Group, S.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Diabetes & Endocrinology Group, S.C. enrolled in Medicare?

Yes. Diabetes & Endocrinology Group, S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Diabetes & Endocrinology Group, S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Diabetes & Endocrinology Group, S.C.. 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.

Does Diabetes & Endocrinology Group, S.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2126323) is associated with this NPI, valid through February 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Diabetes & Endocrinology Group, S.C. was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.