OrganizationActive
Willow Street Medical Lab LLC
NPI 1740237304 · Clinical Medical Laboratory · Lynn, MA
Willow Street Medical Lab LLC is a Clinical Medical Laboratory organization in Lynn, MA (NPI 1740237304).
Provider details
- NPI number
- 1740237304
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Gail Marcus, President Ceo(781) 268-2400
- License
- 2346 (MA)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
280 Union St
Lynn, MA 01901-1353
Phone: (781) 593-3480
Street-level locationGet directions
Mailing address
280 Union St
Lynn, MA 01901-1353
Other names (DBA / former)
- Doing business as
- Willow Laboratories and Medical Center
Registry dates
- Enumerated
- 2006-05-28
- Last updated
- 2013-02-06
Frequently asked questions
- What is Willow Street Medical Lab LLC's NPI number?
- Willow Street Medical Lab LLC's National Provider Identifier (NPI) is 1740237304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willow Street Medical Lab LLC?
- Willow Street Medical Lab LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Willow Street Medical Lab LLC located?
- Willow Street Medical Lab LLC's practice location on file with NPPES is 280 Union St, Lynn, MA 01901-1353.
- What is Willow Street Medical Lab LLC's phone number?
- The practice phone number listed in the NPPES registry for Willow Street Medical Lab LLC is (781) 593-3480.
- Who is the authorized official for Willow Street Medical Lab LLC?
- The authorized official listed on Willow Street Medical Lab LLC's NPPES record is Gail Marcus, President Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willow Street Medical Lab LLC's NPI active?
- Yes — Willow Street Medical Lab LLC's NPI (1740237304) is active in the NPPES registry as of the last update on 2013-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.