ASSOCIATES IN ENDOCRINOLOGY INC
NPI 1275584518
Internal Medicine - Endocrinology, Diabetes & Metabolism in Elgin, IL

Q: What is Associates In Endocrinology Inc's NPI number?

The NPI number for Associates In Endocrinology Inc is 1275584518. It was assigned to this organization in the NPPES registry on May 12, 2006. The provider was formerly known as Karim S.Valika M.D.S.C..

Q: What is Associates In Endocrinology Inc's specialty?

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

Active since May 12, 2006

2400 BIG TIMBER RD STE 200, ELGIN, IL 60124(847) 697-0770(847) 697-0789 Get Directions Write a Review

NPPES record last updated: April 14, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Associates In Endocrinology Inc NPPES

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

ASSOCIATES IN ENDOCRINOLOGY INC (NPI 1275584518), doing business as Karim S.valika M.d.s.c., is a healthcare organization registered as an endocrinology, diabetes & metabolism in Elgin, Illinois and active in the NPI registry since May 2006. The organization lists Amer Rahman, Doctor, as its authorized official.

NPPES Registry Identity

NPI1275584518

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameASSOCIATES IN ENDOCRINOLOGY INC

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 OfficialAmer RahmanDoctor · (630) 779-0902

Enumeration DateMay 12, 2006

Last NPPES UpdateApril 14, 2025

NPPES CertifiedApril 14, 2025

✔ NPI 1275584518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in IL · 036074658

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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Other Names 1

Former Legal Business NameKarim S.valika M.d.s.c.

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Associates In Endocrinology Inc 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 Associates In Endocrinology Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

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.

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 Associates In Endocrinology Inc's NPI number?

The NPI number for Associates In Endocrinology Inc is 1275584518. It was assigned to this organization in the NPPES registry on May 12, 2006. The provider was formerly known as Karim S.Valika M.D.S.C..

Where is Associates In Endocrinology Inc located?

Associates In Endocrinology Inc is located at 2400 Big Timber Rd Ste 200, Elgin, IL 60124. The listed phone number is (847) 697-0770.

What is Associates In Endocrinology Inc's specialty?

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

Is Associates In Endocrinology Inc enrolled in Medicare?

Yes. Associates In Endocrinology Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Associates In Endocrinology Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Associates In Endocrinology Inc. 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.

What insurance does Associates In Endocrinology Inc accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Associates In Endocrinology Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Associates In Endocrinology Inc was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.