WILLIAM JACKSON MANN
NPI 1316894603
Counselor - Mental Health in Brooklyn, NY

Active since March 14, 2026
367 SAINT MARKS AVE # 1068, BROOKLYN, NY 11238(134) 723-4500(332) 334-3017 Get Directions Write a Review

NPPES record last updated: March 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Jackson Mann NPPES

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

WILLIAM JACKSON MANN (NPI 1316894603) is an individual mental health provider in Brooklyn, New York and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1316894603
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameWILLIAM JACKSON MANN
Location Address367 SAINT MARKS AVE # 1068Brooklyn, NY 11238-2268
Mailing Address115 Lexow AveNyack, NY 10960-1005 · (845) 480-0430
Fax(332) 334-3017
Sole ProprietorYes
Enumeration DateMarch 14, 2026
NPPES CertifiedMarch 14, 2026
NPI 1316894603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
367 SAINT MARKS AVE # 1068, Brooklyn, NY 11238

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

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

Counselor (Mental Health)
367 SAINT MARKS AVE # 1068
BROOKLYN, NY 11238

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 William Mann's NPI number?

The NPI number for William Mann is 1316894603. It was assigned to this individual provider in the NPPES registry on March 14, 2026.

Where is William Mann located?

William Mann practices at 367 Saint Marks Ave # 1068, Brooklyn, NY 11238. The listed phone number is (134) 723-4500.

What is William Mann's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for William Mann was last updated on March 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.