John Ciervo, CAGS, LSW, LMHC
NPI 1912109182 · Mental Health Counselor · Boston, MA
John Ciervo, CAGS, LSW, LMHC is a Mental Health Counselor provider in Boston, MA (NPI 1912109182).
Provider details
- NPI number
- 1912109182
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- CAGS, LSW, LMHC
- Sex
- Male
- Sole proprietor
- Yes
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
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
- 2007-06-01
- Last updated
- 2009-05-14
Frequently asked questions
- What is John Ciervo's NPI number?
- John Ciervo's National Provider Identifier (NPI) is 1912109182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ciervo's specialty?
- John Ciervo is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Ciervo located?
- John Ciervo's practice location on file with NPPES is 40 Cerdan Ave, Boston, MA 02132-7811.
- What is John Ciervo's phone number?
- The practice phone number listed in the NPPES registry for John Ciervo is (617) 901-5219.
- Is John Ciervo's NPI active?
- Yes — John Ciervo's NPI (1912109182) is active in the NPPES registry as of the last update on 2009-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.