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

303 Diagnostics, LLC

Organization Clinical Medical Laboratory · NPI 1750905485

303 Diagnostics, LLC is a Clinical Medical Laboratory in Aurora, Colorado. 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.

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Practice location Address checks out

2953 S Peoria St Ste 260
Aurora, CO 80014-5715
Phone: (720) 756-1550
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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 number1750905485
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Gautereaux — Owner/Lab Director · (480) 818-7598
NPI enumeratedMay 28, 2020
Last updated in NPPESJanuary 23, 2023
Certification dateJanuary 23, 2023
Mailing address107 Prospect St Ste 2, Schoharie, NY 12157-3204

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