Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Merchant

Addiction (Substance Use Disorder) Counselor in Monticello, NY · enumerated 2017 · practices at Council on Alcoholism and Drug Abuse of Sullivan Co., Inc..

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

National Provider Identifier

1396284261

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Registry record

Entity type Individual (Type 1)

Name Mary Merchant

Sex Female

Practice address 17 Hamilton Ave, Monticello, NY, 12701

Phone (845) 794-8080

Fax (845) 796-3799

Enumeration date Feb 13, 2017

Last updated in NPPES Feb 13, 2017

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Primary

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.

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Frequently asked questions

Where does Mary Merchant practice?

The practice location on file with NPPES is in Monticello, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Mary Merchant?

The National Provider Identifier (NPI) for Mary Merchant is 1396284261, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-13.