Juan Grullon
NPI 1104320357 · Addiction (Substance Use Disorder) Counselor · Roxbury, MA
Juan Grullon is a Addiction (Substance Use Disorder) Counselor provider in Roxbury, MA (NPI 1104320357).
Provider details
- NPI number
- 1104320357
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- 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
8 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
- 2018-03-22
- Last updated
- 2018-03-22
Frequently asked questions
- What is Juan Grullon's NPI number?
- Juan Grullon's National Provider Identifier (NPI) is 1104320357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juan Grullon's specialty?
- Juan Grullon is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Juan Grullon located?
- Juan Grullon's practice location on file with NPPES is 302 Eustis St, Roxbury, MA 02119-3800.
- What is Juan Grullon's phone number?
- The practice phone number listed in the NPPES registry for Juan Grullon is (617) 445-1123.
- Is Juan Grullon's NPI active?
- Yes — Juan Grullon's NPI (1104320357) is active in the NPPES registry as of the last update on 2018-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.