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

Margareth Joyce Weaver

Psychiatric/Mental Health Nurse Practitioner in Fort Washington, MD · enumerated 2023.

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

National Provider Identifier

1154029601

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Registry record

Entity type Individual (Type 1)

Name Margareth Joyce Weaver

Sex Female

Practice address Fort Washington, MD, 20744

Phone (301) 538-7476

Enumeration date Feb 22, 2023

Last updated in NPPES Feb 28, 2023

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

Taxonomy & licenses

2084A0401X Addiction Medicine (Psychiatry & Neurology) Physician Allopathic & Osteopathic Physicians · License RN147844 (MD) Secondary

2084B0040X Behavioral Neurology & Neuropsychiatry Physician Allopathic & Osteopathic Physicians · License RN147844 (MD) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License RN147844 (MD) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN147844 (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.

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Frequently asked questions

Is NPI 1154029601 active?

Yes, as of the latest NPPES snapshot, NPI 1154029601 is active (record last updated 2023-02-28).

How do I verify Margareth Weaver's NPI record?

Cross-check NPI 1154029601 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 2023-02-28.