Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John-Ross Harrison

Individual provider Adult Psychiatric/Mental Health Registered Nurse · NPI 1841180858

John-Ross Harrison is an Adult Psychiatric/Mental Health Registered Nurse in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2025

Practice location Address checks out

685 Clarkson Ave
Brooklyn, NY 11203
Phone: (718) 221-7700
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0809X · Licence 816091 (NY)

Record details

NPI number1841180858
Entity typeIndividual (Type 1)
GenderNot disclosed
Sole proprietorYes
NPI enumeratedJuly 9, 2025
Last updated in NPPESJuly 9, 2025
Certification dateJune 24, 2025
Mailing address401 E 23rd St Apt 7r, Brooklyn, NY 11226-6960

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