Catherine Marzullo, LCSW
NPI 1396818381 · Clinical Social Worker · Waterbury, CT
Catherine Marzullo, LCSW is a Clinical Social Worker provider in Waterbury, CT (NPI 1396818381).
Provider details
- NPI number
- 1396818381
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 003482 (CT)
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Catherine Marzullo's NPI number?
- Catherine Marzullo's National Provider Identifier (NPI) is 1396818381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Marzullo's specialty?
- Catherine Marzullo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine Marzullo located?
- Catherine Marzullo's practice location on file with NPPES is 55 West Main Street, Waterbury, CT 06702.
- What is Catherine Marzullo's phone number?
- The practice phone number listed in the NPPES registry for Catherine Marzullo is (203) 805-6408.
- Is Catherine Marzullo's NPI active?
- Yes — Catherine Marzullo's NPI (1396818381) 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.