What is John Walker's NPI number?

John Walker's National Provider Identifier (NPI) is 1356806020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Walker's specialty?

John Walker is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is John Walker located?

John Walker's practice location on file with NPPES is 408 Greenwich St, Hempstead, NY 11550-6320.

What is John Walker's phone number?

The practice phone number listed in the NPPES registry for John Walker is (516) 967-8979.

Is John Walker's NPI active?

Yes — John Walker's NPI (1356806020) is active in the NPPES registry as of the last update on 2019-02-13.

IndividualActive

John Walker

NPI 1356806020 · Case Manager/Care Coordinator · Hempstead, NY

John Walker is a Case Manager/Care Coordinator provider in Hempstead, NY (NPI 1356806020).

Provider details

NPI number: 1356806020
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Established profile(60/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 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

408 Greenwich St

Hempstead, NY 11550-6320

Phone: (516) 967-8979

Street-level locationGet directions

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Mailing address