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

Ms. Gail Martinez Waters, LCPC

Professional Counselor in Arnold, MD · enumerated 2015.

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

National Provider Identifier

1861885543

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Registry record

Entity type Individual (Type 1)

Name Ms. Gail Martinez Waters

Credential LCPC

Sex Female

Practice address Arnold, MD, 21012

Phone (410) 562-7551

Enumeration date Mar 5, 2015

Last updated in NPPES Mar 5, 2015

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LC6124 (MD) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License LC6124 (MD) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Gail Martinez Waters practice?

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

What is the NPI number for Gail Martinez Waters?

The National Provider Identifier (NPI) for Gail Martinez Waters is 1861885543, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-05.