John Manzi
NPI 1417358128 · Clinical Social Worker · Westfield, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Manzi is a Clinical Social Worker provider in Westfield, MA (NPI 1417358128).
Provider details
- NPI number
- 1417358128
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
11 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
- 2014-09-12
- Last updated
- 2014-09-12
Frequently asked questions
- What is John Manzi's NPI number?
- John Manzi's National Provider Identifier (NPI) is 1417358128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Manzi's specialty?
- John Manzi is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Manzi located?
- John Manzi's practice location on file with NPPES is 77 Mill St, Westfield, MA 01085-4598.
- What is John Manzi's phone number?
- The practice phone number listed in the NPPES registry for John Manzi is (413) 572-4111.
- Does John Manzi accept Medicare?
- John Manzi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Manzi's NPI active?
- Yes — John Manzi's NPI (1417358128) is active in the NPPES registry as of the last update on 2014-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.