Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mary P. Phelan, LMSW

Case Manager/Care Coordinator in New York, NY · enumerated 2009 · practices at John Coleman School.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356580112

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Registry record

Entity type Individual (Type 1)

Name Mary P. Phelan

Credential LMSW

Sex Female

Practice address New York, NY, 10011

Phone (646) 459-3622

Fax (646) 459-3692

Enumeration date Feb 18, 2009

Last updated in NPPES Feb 18, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers · License 010114-1 (NY) Primary

3140N1450X Pediatric Skilled Nursing Facility Nursing & Custodial Care Facilities · License 010114-1 (NY) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Mary Phelan's NPI record?

Cross-check NPI 1356580112 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1356580112 active?

Yes, as of the latest NPPES snapshot, NPI 1356580112 is active (record last updated 2009-02-18).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-18.