1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Registered Nurse
  6. NPI Profile

JOHN-ROSS HARRISON
NPI 1841180858
Registered Nurse - Psychiatric/Mental Health, Adult in Brooklyn, NY

Active since July 09, 2025
685 CLARKSON AVE, BROOKLYN, NY 11203(718) 221-7700 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About John-ross Harrison NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN-ROSS HARRISON (NPI 1841180858) is an individual psychiatric/mental health, adult provider in Brooklyn, New York, licensed in New York (816091) and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1841180858
Entity TypeIndividual
Primary Taxonomy163WP0809X
Provider Legal NameJOHN-ROSS HARRISON
Location Address685 CLARKSON AVEBrooklyn, NY 11203
Mailing Address401 E 23rd St Apt 7rBrooklyn, NY 11226-6960 · (347) 243-6647
Phone(718) 221-7700
Sole ProprietorYes
Enumeration DateJuly 9, 2025
NPPES CertifiedJune 24, 2025
✔ NPI 1841180858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental Health, AdultNursing Service Providers
Taxonomy Code163WP0809X
License✔ Licensed in NY · 816091
685 CLARKSON AVE, Brooklyn, NY 11203
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AFIFA MEHMOOD
Registered Nurse (Psychiatric/Mental Health, Adult)
685 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 221-7700
DYLAN HA
Registered Nurse
685 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 221-7700
DEVORAH SHIFRIN RN
Registered Nurse
685 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 221-7700
MR. MARCUS ENGRAM RN
Registered Nurse (Psychiatric/Mental Health, Child & Adolescent)
685 CLARKSON AVE
BROOKLYN NY, NY 11203
Kings County (718) 221-7700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John-ross Harrison's NPI number?

The NPI number for John-ross Harrison is 1841180858. It was assigned to this individual provider in the NPPES registry on July 9, 2025.

Where is John-ross Harrison located?

John-ross Harrison practices at 685 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 221-7700.

What is John-ross Harrison's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 163WP0809X.

When was this NPI record last updated?

The NPPES record for John-ross Harrison was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.