Nathaniel Walker
NPI 1568818441 · Addiction (Substance Use Disorder) Counselor · Brooklyn, NY
Nathaniel Walker is a Addiction (Substance Use Disorder) Counselor provider in Brooklyn, NY (NPI 1568818441).
Provider details
- NPI number
- 1568818441
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2016-05-10
- Last updated
- 2016-05-10
Frequently asked questions
- What is Nathaniel Walker's NPI number?
- Nathaniel Walker's National Provider Identifier (NPI) is 1568818441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Walker's specialty?
- Nathaniel Walker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Nathaniel Walker located?
- Nathaniel Walker's practice location on file with NPPES is 1300 Avenue P, Brooklyn, NY 11229-1106.
- What is Nathaniel Walker's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Walker is (718) 954-3800.
- Is Nathaniel Walker's NPI active?
- Yes — Nathaniel Walker's NPI (1568818441) is active in the NPPES registry as of the last update on 2016-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.