Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Margaret Michele Williams, DNP(C) CRNP, OCN

Nurse Practitioner in Easton, MD · enumerated 2016 · practices at American Oncology Partners, P.A..

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

National Provider Identifier

1831553585

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Registry record

Entity type Individual (Type 1)

Name Dr. Margaret Michele Williams

Credential DNP(C) CRNP, OCN

Sex Female

Practice address 8221 Teal Dr Ste 302, Easton, MD, 21601

Phone (410) 820-5945

Fax (410) 820-9642

Enumeration date Apr 8, 2016

Last updated in NPPES May 14, 2024

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R111860 (MD) Secondary

363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R111860 (MD) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R111860 (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 Margaret Williams practice?

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

What is the NPI number for Margaret Williams?

The National Provider Identifier (NPI) for Margaret Williams is 1831553585, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Qiwei Gai Hematology & Oncology Physician · Easton, MD NPI 1780889139 Colleen Monaghan Nurse Practitioner · Easton, MD NPI 1255192563 American Oncology Partners, P.A. Hematology & Oncology Physician · Easton, MD NPI 1609633650

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-14.