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LITTLE ROCK ENDOCRINOLOGY SERVICES
NPI 1679843445
Internal Medicine - Endocrinology, Diabetes & Metabolism in Little Rock, AR

Active since January 10, 2012
1 SAINT VINCENT CIR STE 410, LITTLE ROCK, AR 72205(501) 762-8056(501) 781-2490 Get Directions Write a Review

NPPES record last updated: February 9, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 9, 2022, Oct 23, 2019 (2 updates tracked since 2019).

About Little Rock Endocrinology Services NPPES

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

LITTLE ROCK ENDOCRINOLOGY SERVICES (NPI 1679843445) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Little Rock, Arkansas and active in the NPI registry since January 2012. The organization lists Teresa A Nimmo, President, as its authorized official.

NPPES Registry Identity

NPI1679843445
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameLITTLE ROCK ENDOCRINOLOGY SERVICES
Location Address1 SAINT VINCENT CIR STE 410Little Rock, AR 72205-5409
Mailing Address1 Saint Vincent Cir Ste 410Little Rock, AR 72205-5409 · (501) 762-8056 · Fax (501) 781-2490
Phone(501) 762-8056
Fax(501) 781-2490
Organization SubpartNo
Authorized OfficialTeresa A NimmoPresident · (501) 762-8056
Enumeration DateJanuary 10, 2012
Last NPPES UpdateFebruary 9, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2022
✔ NPI 1679843445 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.
1 SAINT VINCENT CIR STE 410, Little Rock, AR 72205
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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 from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.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)

Little Rock Endocrinology Services 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 Little Rock Endocrinology Services, which bills Medicare for the services this clinician delivers.

Clinician (1)

Teresa Nimmo, MD
Endocrinology
NPI 1225253248
1 SAINT VINCENT CIR STE 410
Little Rock, AR 72205
(501) 762-8056
✔ 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 Little Rock Endocrinology Services's NPI number?

The NPI number for Little Rock Endocrinology Services is 1679843445. It was assigned to this organization in the NPPES registry on January 10, 2012.

Where is Little Rock Endocrinology Services located?

Little Rock Endocrinology Services is located at 1 Saint Vincent Cir Ste 410, Little Rock, AR 72205. The listed phone number is (501) 762-8056.

What is Little Rock Endocrinology Services's specialty?

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

Is Little Rock Endocrinology Services enrolled in Medicare?

Yes. Little Rock Endocrinology Services is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Little Rock Endocrinology Services?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Little Rock Endocrinology Services. 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 Little Rock Endocrinology Services accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Little Rock Endocrinology Services 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 Little Rock Endocrinology Services was last updated on February 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.