IndividualActive
John Zielin, MSW
NPI 1023179025 · Clinical Social Worker · Lawrence, MA
John Zielin, MSW is a Clinical Social Worker provider in Lawrence, MA (NPI 1023179025).
Provider details
- NPI number
- 1023179025
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 103186-1 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
430 N Canal St
Family Service, Inc.
Lawrence, MA 01840-1246
Phone: (978) 683-9505
Street-level locationGet directions
Mailing address
2 Pioneer Cir
Andover, MA 01810-3413
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Zielin's NPI number?
- John Zielin's National Provider Identifier (NPI) is 1023179025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zielin's specialty?
- John Zielin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Zielin located?
- John Zielin's practice location on file with NPPES is 430 N Canal St, Lawrence, MA 01840-1246.
- What is John Zielin's phone number?
- The practice phone number listed in the NPPES registry for John Zielin is (978) 683-9505.
- Is John Zielin's NPI active?
- Yes — John Zielin's NPI (1023179025) 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.