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ELGIN METABOLIC CENTER LLC
NPI 1922508696
Internal Medicine - Endocrinology, Diabetes & Metabolism in Elgin, IL

Active since February 19, 2018CLIA 14D2350216 · Waiver
2400 BIG TIMBER RD STE 200, ELGIN, IL 60124(847) 697-0770(847) 697-0789 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 7, 2026, Feb 19, 2018 (2 updates tracked since 2018).

About Elgin Metabolic Center Llc NPPES

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

ELGIN METABOLIC CENTER LLC (NPI 1922508696) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Elgin, Illinois and active in the NPI registry since February 2018. The organization holds a CLIA Waiver certificate valid through September 2, 2028 and lists Rubylyn Rose Hilario, Nurse Practioner, as its authorized official.

NPPES Registry Identity

NPI1922508696
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameELGIN METABOLIC CENTER LLC
Location Address2400 BIG TIMBER RD STE 200Elgin, IL 60124-7835
Mailing Address2400 Big Timber Rd Ste 200Elgin, IL 60124-7835 · (847) 697-0770 · Fax (847) 697-0789
Phone(847) 697-0770
Fax(847) 697-0789
Organization SubpartNo
Authorized OfficialRubylyn Rose HilarioNurse Practioner · (847) 697-0770
Enumeration DateFebruary 19, 2018
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1922508696 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.
2400 BIG TIMBER RD STE 200, Elgin, IL 60124
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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)

Elgin Metabolic Center Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Elgin Metabolic Center LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Rubylyn Hilario, FNP-BC
Nurse Practitioner
NPI 1952862104
2400 BIG TIMBER RD STE 200
Elgin, IL 60124
(847) 697-0770
✔ PECOS✔ Accepts MedicareSame address
Amer Rahman, M.D.
Internal Medicine
NPI 1114978087
2400 BIG TIMBER RD SUITE 200B
Elgin, IL 60124
(847) 697-0770
✔ 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 14D2350216

Elgin Metabolic Center · Elgin, IL
Active · expires Sep 2, 2028
CLIA Number14D2350216
Laboratory TypePhysician Office
Certificate Effective DateSeptember 3, 2026
Certificate Expiration DateSeptember 2, 2028
Laboratory DirectorAmer Rahman
Laboratory Phone(847) 697-0770
Laboratory LocationElgin Metabolic Center2400 Big Timber Rd - Ste 200, Elgin, IL 60124
CLIA data matches this NPI record on: Address Name 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 Elgin Metabolic Center LLC's NPI number?

The NPI number for Elgin Metabolic Center LLC is 1922508696. It was assigned to this organization in the NPPES registry on February 19, 2018.

Where is Elgin Metabolic Center LLC located?

Elgin Metabolic Center LLC is located at 2400 Big Timber Rd Ste 200, Elgin, IL 60124. The listed phone number is (847) 697-0770.

What is Elgin Metabolic Center LLC's specialty?

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

Is Elgin Metabolic Center LLC enrolled in Medicare?

Yes. Elgin Metabolic Center LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Elgin Metabolic Center LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Elgin Metabolic Center LLC, in Internal Medicine and Nurse Practitioner. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Elgin Metabolic Center LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2350216) is associated with this NPI, valid through September 2, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Elgin Metabolic Center LLC was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.