John-Ross Harrison
NPI 1841180858 · Adult Psychiatric/Mental Health Registered Nurse · Brooklyn, NY
John-Ross Harrison is a Adult Psychiatric/Mental Health Registered Nurse provider in Brooklyn, NY (NPI 1841180858).
Provider details
- NPI number
- 1841180858
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sole proprietor
- Yes
- License
- 816091 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-07-09
- Last updated
- 2025-07-09
- Certified
- 2025-06-24
Frequently asked questions
- What is John-Ross Harrison's NPI number?
- John-Ross Harrison's National Provider Identifier (NPI) is 1841180858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John-Ross Harrison's specialty?
- John-Ross Harrison is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is John-Ross Harrison located?
- John-Ross Harrison's practice location on file with NPPES is 685 Clarkson Ave, Brooklyn, NY 11203.
- What is John-Ross Harrison's phone number?
- The practice phone number listed in the NPPES registry for John-Ross Harrison is (718) 221-7700.
- Is John-Ross Harrison's NPI active?
- Yes — John-Ross Harrison's NPI (1841180858) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.