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

John Anthony Walker

Individual provider Case Manager/Care Coordinator · NPI 1356806020

John Anthony Walker is a Case Manager/Care Coordinator in Hempstead, New York. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

408 Greenwich St
Hempstead, NY 11550-6320
Phone: (516) 967-8979
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1356806020
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 6, 2019
Last updated in NPPESFebruary 13, 2019

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