What is 1st Class Sleep Diagnostics, Inc's NPI number?

1st Class Sleep Diagnostics, Inc's National Provider Identifier (NPI) is 1417291626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is 1st Class Sleep Diagnostics, Inc?

1st Class Sleep Diagnostics, Inc is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).

Where is 1st Class Sleep Diagnostics, Inc located?

1st Class Sleep Diagnostics, Inc's practice location on file with NPPES is 19420 Golf Vista Plz, Leesburg, VA 20176-8265.

What is 1st Class Sleep Diagnostics, Inc's phone number?

The practice phone number listed in the NPPES registry for 1st Class Sleep Diagnostics, Inc is (703) 385-9222.

Who is the authorized official for 1st Class Sleep Diagnostics, Inc?

The authorized official listed on 1st Class Sleep Diagnostics, Inc's NPPES record is Young Yi, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is 1st Class Sleep Diagnostics, Inc's NPI active?

Yes — 1st Class Sleep Diagnostics, Inc's NPI (1417291626) is active in the NPPES registry as of the last update on 2012-11-15.

OrganizationActive

1st Class Sleep Diagnostics, Inc

NPI 1417291626 · Clinical Medical Laboratory · Leesburg, VA

1st Class Sleep Diagnostics, Inc is a Clinical Medical Laboratory organization in Leesburg, VA (NPI 1417291626).

Provider details

NPI number: 1417291626
Entity type: Organization
Primary specialty: Clinical Medical LaboratoryLaboratories
Organization subpart: No
Authorized official: Young Yi, Director(703) 385-9222
License: 107828 (VA)

Practice location

19420 Golf Vista Plz

Suite 350

Leesburg, VA 20176-8265

Phone: (703) 385-9222

Fax: (703) 373-2671

Street-level locationGet directions

More VA providers

Mailing address

14631 Lee Hwy

Centreville, VA 20121-5824

Specialties & taxonomies

Clinical Medical LaboratoryPrimary291U00000XLicense 107828 (VA)
Laboratories

Profile Score

Detailed profile(79/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
13 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2012-11-15
Last updated: 2012-11-15

Frequently asked questions

What is 1st Class Sleep Diagnostics, Inc's NPI number?: 1st Class Sleep Diagnostics, Inc's National Provider Identifier (NPI) is 1417291626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is 1st Class Sleep Diagnostics, Inc?: 1st Class Sleep Diagnostics, Inc is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
Where is 1st Class Sleep Diagnostics, Inc located?: 1st Class Sleep Diagnostics, Inc's practice location on file with NPPES is 19420 Golf Vista Plz, Leesburg, VA 20176-8265.
What is 1st Class Sleep Diagnostics, Inc's phone number?: The practice phone number listed in the NPPES registry for 1st Class Sleep Diagnostics, Inc is (703) 385-9222.
Who is the authorized official for 1st Class Sleep Diagnostics, Inc?: The authorized official listed on 1st Class Sleep Diagnostics, Inc's NPPES record is Young Yi, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is 1st Class Sleep Diagnostics, Inc's NPI active?: Yes — 1st Class Sleep Diagnostics, Inc's NPI (1417291626) is active in the NPPES registry as of the last update on 2012-11-15.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions