IndividualActive
William Mann
NPI 1316894603 · Mental Health Counselor · Brooklyn, NY
William Mann is a Mental Health Counselor provider in Brooklyn, NY (NPI 1316894603).
Provider details
- NPI number
- 1316894603
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
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
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
367 Saint Marks Ave # 1068
Brooklyn, NY 11238-2268
Phone: (134) 723-4500
Fax: (332) 334-3017
Street-level locationGet directions
Mailing address
115 Lexow Ave
Nyack, NY 10960-1005
Registry dates
- Enumerated
- 2026-03-14
- Last updated
- 2026-03-14
- Certified
- 2026-03-14
Frequently asked questions
- What is William Mann's NPI number?
- William Mann's National Provider Identifier (NPI) is 1316894603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mann's specialty?
- William Mann is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Mann located?
- William Mann's practice location on file with NPPES is 367 Saint Marks Ave # 1068, Brooklyn, NY 11238-2268.
- What is William Mann's phone number?
- The practice phone number listed in the NPPES registry for William Mann is (134) 723-4500.
- Is William Mann's NPI active?
- Yes — William Mann's NPI (1316894603) is active in the NPPES registry as of the last update on 2026-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.