OrganizationActive
Sema4 Opco, Inc
NPI 1902474653 · Clinical Medical Laboratory · Stamford, CT
Provider details
- NPI number
- 1902474653
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Danielle Watimar, Payor Analyst(240) 429-3142
Specialties & taxonomies
Laboratories
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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.
Practice location
62 Southfield Ave
Stamford, CT 06902-7229
Phone: (800) 298-6470
Street-level locationGet directions
Mailing address
333 Ludlow St Fl Tower8
Stamford, CT 06902-6987
Registry dates
- Enumerated
- 2021-06-17
- Last updated
- 2022-08-31
- Certified
- 2022-08-31
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.