Quest Diagnostics Massachusetts LLC
NPI 1861837254 · Clinical Medical Laboratory · South Boston, MA
Quest Diagnostics Massachusetts LLC is a Clinical Medical Laboratory organization in South Boston, MA (NPI 1861837254).
Provider details
- NPI number
- 1861837254
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Quest Diagnostics Incorporated
- Organization subpart
- Yes
- Authorized official
- David Betz, Director(412) 920-7774
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2013-04-30
- Last updated
- 2018-12-10
Frequently asked questions
- What is Quest Diagnostics Massachusetts LLC's NPI number?
- Quest Diagnostics Massachusetts LLC's National Provider Identifier (NPI) is 1861837254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quest Diagnostics Massachusetts LLC?
- Quest Diagnostics Massachusetts LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Quest Diagnostics Massachusetts LLC located?
- Quest Diagnostics Massachusetts LLC's practice location on file with NPPES is 409 W Broadway, South Boston, MA 02127-2245.
- What is Quest Diagnostics Massachusetts LLC's phone number?
- The practice phone number listed in the NPPES registry for Quest Diagnostics Massachusetts LLC is (617) 464-7440.
- Who is the authorized official for Quest Diagnostics Massachusetts LLC?
- The authorized official listed on Quest Diagnostics Massachusetts LLC's NPPES record is David Betz, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quest Diagnostics Massachusetts LLC's NPI active?
- Yes — Quest Diagnostics Massachusetts LLC's NPI (1861837254) is active in the NPPES registry as of the last update on 2018-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.