Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Andrea Marie Hamilton

Health Educator in Leonardtown, MD · enumerated 2019.

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

National Provider Identifier

1649823337

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Registry record

Entity type Individual (Type 1)

Name Mrs. Andrea Marie Hamilton

Sex Female

Practice address 25500 Point Lookout Rd, Leonardtown, MD, 20650

Phone (240) 434-7489

Fax (301) 475-6143

Enumeration date Jul 22, 2019

Last updated in NPPES Jul 22, 2019

Taxonomy & licenses

174H00000X Health Educator Other 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1649823337 active?

Yes, as of the latest NPPES snapshot, NPI 1649823337 is active (record last updated 2019-07-22).

How do I verify Andrea Hamilton's NPI record?

Cross-check NPI 1649823337 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-22.