Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Elizabeth Stein, ANP

Adult Health Nurse Practitioner in Queensbury, NY · enumerated 2006 · practices at Hudson Headwaters Health Network.

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

National Provider Identifier

1659399962

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Registry record

Entity type Individual (Type 1)

Name Mary Elizabeth Stein

Credential ANP

Sex Female

Practice address 161 Carey Rd, Queensbury, NY, 12804

Phone (518) 824-8610

Fax (518) 824-2390

Enumeration date Jul 17, 2006

Last updated in NPPES May 27, 2025

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F301457 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
01811792	Medicaid	NY	-

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

What specialty is Mary Stein?

Mary Stein is registered in NPPES with the primary taxonomy of Adult Health Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-27.