IndividualActive
Elizabeth Mark, LICSW
NPI 1396969465 · Clinical Social Worker · Lowell, MA
Elizabeth Mark, LICSW is a Clinical Social Worker provider in Lowell, MA (NPI 1396969465).
Provider details
- NPI number
- 1396969465
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 1017881 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
10 Bridge St
The Simpson Block
Lowell, MA 01852-1201
Phone: (781) 871-6550
Street-level locationGet directions
Mailing address
35 Bridge St
Lexington, MA 02421-7927
Registry dates
- Enumerated
- 2007-04-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Elizabeth Mark's NPI number?
- Elizabeth Mark's National Provider Identifier (NPI) is 1396969465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Mark's specialty?
- Elizabeth Mark is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Elizabeth Mark located?
- Elizabeth Mark's practice location on file with NPPES is 10 Bridge St, Lowell, MA 01852-1201.
- What is Elizabeth Mark's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Mark is (781) 871-6550.
- Is Elizabeth Mark's NPI active?
- Yes — Elizabeth Mark's NPI (1396969465) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.