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

Gravlith LLC

Organization Clinical Medical Laboratory · NPI 1629990783

Gravlith LLC is a Clinical Medical Laboratory in Washington, District of Columbia. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1717 N St NW Ste 1
Washington, DC 20036-2827
Phone: (406) 309-6462
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1629990783
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Eward McKinley Smith — Owner · (406) 309-6462
NPI enumeratedJuly 29, 2026
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026
Mailing address1717 N St Nw Ste 1, Washington, DC 20036-2827

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