Gretchen Willwerth, LICSW
NPI 1033364328 · Clinical Social Worker · Lynn, MA
Gretchen Willwerth, LICSW is a Clinical Social Worker provider in Lynn, MA (NPI 1033364328).
Provider details
- NPI number
- 1033364328
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2008-12-01
- Last updated
- 2018-07-28
Frequently asked questions
- What is Gretchen Willwerth's NPI number?
- Gretchen Willwerth's National Provider Identifier (NPI) is 1033364328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Willwerth's specialty?
- Gretchen Willwerth is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gretchen Willwerth located?
- Gretchen Willwerth's practice location on file with NPPES is 60 Granite St, Lynn, MA 01904.
- What is Gretchen Willwerth's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Willwerth is (781) 477-6958.
- Is Gretchen Willwerth's NPI active?
- Yes — Gretchen Willwerth's NPI (1033364328) is active in the NPPES registry as of the last update on 2018-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.