John Grillo, LICSW
NPI 1023370442 · Clinical Social Worker · Quincy, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Grillo, LICSW is a Clinical Social Worker provider in Quincy, MA (NPI 1023370442).
Provider details
- NPI number
- 1023370442
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 118659 (MA)
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
14 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
- 2012-06-12
- Last updated
- 2023-11-14
- Certified
- 2020-10-19
Frequently asked questions
- What is John Grillo's NPI number?
- John Grillo's National Provider Identifier (NPI) is 1023370442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grillo's specialty?
- John Grillo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Grillo located?
- John Grillo's practice location on file with NPPES is 1266 Furnace Brook Pkwy Ste 307, Quincy, MA 02169-4789.
- What is John Grillo's phone number?
- The practice phone number listed in the NPPES registry for John Grillo is (857) 234-8059.
- Does John Grillo accept Medicare?
- John Grillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Grillo's NPI active?
- Yes — John Grillo's NPI (1023370442) is active in the NPPES registry as of the last update on 2023-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.