OrganizationActive
Sema4 Opco, Inc
NPI 1518415991 · Clinical Medical Laboratory · Branford, CT
Sema4 Opco, Inc is a Clinical Medical Laboratory organization in Branford, CT (NPI 1518415991).
Provider details
- NPI number
- 1518415991
- 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
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
1 Commercial St
Branford, CT 06405-2894
Phone: (800) 298-6470
Street-level locationGet directions
Mailing address
333 Ludlow St Fl Tower8
Stamford, CT 06902-6987
Additional practice locations (1)
- 62 Southfield AveStamford, CT 06902-7229Phone: (800) 298-6470Fax: (475) 333-3810
Registry dates
- Enumerated
- 2016-09-14
- Last updated
- 2022-08-31
- Certified
- 2022-08-31
Frequently asked questions
- What is Sema4 Opco, Inc's NPI number?
- Sema4 Opco, Inc's National Provider Identifier (NPI) is 1518415991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sema4 Opco, Inc?
- Sema4 Opco, Inc is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Sema4 Opco, Inc located?
- Sema4 Opco, Inc's practice location on file with NPPES is 1 Commercial St, Branford, CT 06405-2894.
- What is Sema4 Opco, Inc's phone number?
- The practice phone number listed in the NPPES registry for Sema4 Opco, Inc is (800) 298-6470.
- Who is the authorized official for Sema4 Opco, Inc?
- The authorized official listed on Sema4 Opco, Inc's NPPES record is Danielle Watimar, Payor Analyst. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sema4 Opco, Inc's NPI active?
- Yes — Sema4 Opco, Inc's NPI (1518415991) is active in the NPPES registry as of the last update on 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.