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
Mailing address408 Greenwich St, Hempstead, NY 11550-6320

Other providers in Hempstead