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

Sema4 Opco, Inc

Organization Clinical Medical Laboratory · NPI 1902474653

Sema4 Opco, Inc is a Clinical Medical Laboratory in Stamford, Connecticut. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

62 Southfield Ave
Stamford, CT 06902-7229
Phone: (800) 298-6470
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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 number1902474653
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Danielle Watimar — Payor Analyst · (240) 429-3142
NPI enumeratedJune 17, 2021
Last updated in NPPESAugust 31, 2022
Certification dateAugust 31, 2022
Mailing address333 Ludlow St Fl Tower8, Stamford, CT 06902-6987

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