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SLEEPWELL LLC
NPI 1851061667
Internal Medicine in Lexington, KY

Active since September 14, 2021
2499 CARNEGIE LN, LEXINGTON, KY 40511(859) 338-9319(859) 368-7681 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sleepwell Llc NPPES

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

SLEEPWELL LLC (NPI 1851061667) is a healthcare organization registered as an internal medicine in Lexington, Kentucky and active in the NPI registry since September 2021. The organization lists William Arnold, Owner, as its authorized official.

NPPES Registry Identity

NPI1851061667
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSLEEPWELL LLC
Location Address2499 CARNEGIE LNLexington, KY 40511-8449
Mailing Address2499 Carnegie LnLexington, KY 40511-8449 · (859) 338-9319
Phone(859) 338-9319
Fax(859) 368-7681
Organization SubpartNo
Authorized OfficialWilliam ArnoldOwner · (859) 338-9319
Enumeration DateSeptember 14, 2021
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
✔ NPI 1851061667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPhysician AssistantTaxonomy 363A00000X
2499 CARNEGIE LN, Lexington, KY 40511
Open in Google Maps ↗

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 Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateKentuckyEnrollment IDO20211028002606Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Sleepwell LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

William Arnold, MD
Internal Medicine
NPI 1720407018
476 LIBERTY RD
West Liberty, KY 41472
(606) 743-3186
✔ PECOS✔ Accepts Medicare65 mi

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 Sleepwell LLC's NPI number?

The NPI number for Sleepwell LLC is 1851061667. It was assigned to this organization in the NPPES registry on September 14, 2021.

Where is Sleepwell LLC located?

Sleepwell LLC is located at 2499 Carnegie Ln, Lexington, KY 40511. The listed phone number is (859) 338-9319.

What is Sleepwell LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sleepwell LLC enrolled in Medicare?

Yes. Sleepwell LLC is registered in the Medicare PECOS enrollment system.

When is Sleepwell LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Kentucky, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Sleepwell LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Sleepwell LLC. 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 Sleepwell LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Sleepwell LLC 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 Sleepwell LLC was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.