Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sound Sleep LLC

Organization Sleep Medicine (Internal Medicine) Physician · NPI 1639776347

Sound Sleep LLC is a Sleep Medicine (Internal Medicine) Physician in Haymarket, Virginia. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

6626 Muir Dr
Haymarket, VA 20169-2742
Phone: (301) 873-8379
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X

Record details

NPI number1639776347
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sharmili Mathur — Owner · (301) 873-8379
NPI enumeratedOctober 6, 2020
Last updated in NPPESOctober 6, 2020
Certification dateOctober 6, 2020
Mailing address6626 Muir Dr, Haymarket, VA 20169-2742