FUSION SLEEP LLC
NPI 1245271113
Clinic/Center - Sleep Disorder Diagnostic in Alpharetta, GA

Active since June 09, 2006
3650 MANSELL RD STE 100, ALPHARETTA, GA 30022(678) 990-3962(678) 623-3862 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 15, 2026, Dec 14, 2023, Jun 13, 2023 and 4 more (7 updates tracked since 2020).

About Fusion Sleep Llc NPPES

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

FUSION SLEEP LLC (NPI 1245271113) is a healthcare organization registered as a sleep disorder diagnostic in Alpharetta, Georgia and active in the NPI registry since June 2006. The organization maintains a secondary practice location in Alpharetta and lists Sigurjon Kristjansson, Ceo, as its authorized official.

NPPES Registry Identity

NPI1245271113
Entity TypeOrganization
Primary Taxonomy261QS1200X
Legal Business NameFUSION SLEEP LLC
Location Address3650 MANSELL RD STE 100Alpharetta, GA 30022-3068
Mailing Address3650 Mansell Rd Ste 100Alpharetta, GA 30022-3068 · (678) 990-3962 · Fax (678) 623-3862
Fax(678) 623-3862
Organization SubpartNo
Authorized OfficialSigurjon KristjanssonCeo · (678) 990-3962
Enumeration DateJune 9, 2006
Last NPPES UpdateJuly 15, 20267 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1245271113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

★ Primary SpecialtyClinic/Center · Sleep Disorder DiagnosticAmbulatory Health Care Facilities
Taxonomy Code261QS1200X
Also ListedSpecialistTaxonomy 174400000X
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedOtolaryngology · Sleep MedicineTaxonomy 207YS0012X
Also ListedPediatrics · Sleep MedicineTaxonomy 2080S0012X
Also ListedPsychiatry & Neurology · Sleep MedicineTaxonomy 2084S0012X
Also ListedClinic/Center · Multi-SpecialtyTaxonomy 261QM1300X
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
3650 MANSELL RD STE 100, Alpharetta, GA 30022

Secondary Practice Location 1

Location 13650 Mansell Rd Ste 125Alpharetta, GA 30022-1523 · Phone (678) 990-3962 · Fax (678) 623-3862

Other Identifiers 2

Medicaid003126025AGA
Other202G708410GA · Medicare

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

13

Medicare enrollment records show 13 clinicians reassign Medicare billing to Fusion Sleep LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 11 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 6

Nurse Practitioner4
Sleep Medicine3
Neurology2
Otolaryngology2
Internal Medicine1
Pulmonary Disease1

Clinicians, nearest first (13)

Sleep Medicine
NPI 1073956231
3650 MANSELL RD STE 100
Alpharetta, GA 30022
(678) 990-3962
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1346443652
3650 MANSELL RD STE 100
Alpharetta, GA 30022
(678) 990-3962
✔ PECOS✔ Accepts MedicareSame address
Otolaryngology
NPI 1437147451
3650 MANSELL RD STE 100
Alpharetta, GA 30022
(678) 990-3962
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1669654836
3650 MANSELL RD STE 100
Alpharetta, GA 30022
(678) 990-3962
✔ PECOSSame address
Otolaryngology
NPI 1245239094
3400 OLD MILTON PKWY # C STE 365
Alpharetta, GA 30005
(404) 446-2400
✔ PECOS✔ Accepts Medicare2.8 mi
Sleep Medicine
NPI 1154641975
4245 JOHNS CREEK PKWY STE A
Suwanee, GA 30024
(678) 990-3962
✔ PECOS7.6 mi
Sleep Medicine
NPI 1922022193
4245 JOHNS CREEK PKWY STE A
Suwanee, GA 30024
(678) 990-3962
✔ PECOS✔ Accepts Medicare7.6 mi
Nurse Practitioner
NPI 1326246158
4245 JOHNS CREEK PKWY SUITE A
Johns Creek, GA 30024
(678) 990-3962
✔ PECOS✔ Accepts Medicare7.6 mi
Nurse Practitioner
NPI 1780175141
4245 JOHNS CREEK PKWY STE A
Suwanee, GA 30024
(678) 990-3962
✔ PECOS✔ Accepts Medicare7.6 mi
Nurse Practitioner
NPI 1144704370
6105 PEACHTREE DUNWOODY RD STE A205
Atlanta, GA 30328
(678) 990-3962
✔ PECOS✔ Accepts Medicare8.7 mi
Neurology
NPI 1083696082
5887 GLENRIDGE DR STE 400
Atlanta, GA 30328
(404) 252-2666
✔ PECOS✔ Accepts Medicare9.3 mi
Nurse Practitioner
NPI 1053981704
2701 N DECATUR RD FL SUITE520
Decatur, GA 30033
(404) 501-1000
✔ PECOS✔ Accepts Medicare17 mi
Pulmonary Disease
NPI 1053751651
2800 BUFORD DRIVE STE 200
Lawrenceville, GA 30043
(770) 718-5545
✔ PECOS✔ Accepts Medicare19 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 Fusion Sleep LLC's NPI number?

The NPI number for Fusion Sleep LLC is 1245271113. It was assigned to this organization in the NPPES registry on June 9, 2006.

Where is Fusion Sleep LLC located?

Fusion Sleep LLC is located at 3650 Mansell Rd Ste 100, Alpharetta, GA 30022. The listed phone number is (678) 990-3962.

What is Fusion Sleep LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Sleep Disorder Diagnostic, with taxonomy code 261QS1200X.

Is Fusion Sleep LLC enrolled in Medicare?

Yes. Fusion Sleep LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Fusion Sleep LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 6 Medicare specialties reassign their Medicare billing to Fusion Sleep 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. The largest specialties are Nurse Practitioner (4), Sleep Medicine (3) and Neurology (2). Of these, 4 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Fusion Sleep LLC accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Fusion Sleep 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 Fusion Sleep LLC was last updated on July 15, 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.