Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Ndubuisi Oshai, RN

Diabetes Educator Registered Nurse in Frederick, MD · enumerated 2013.

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

National Provider Identifier

1124454699

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Registry record

Entity type Individual (Type 1)

Name Margaret Ndubuisi Oshai

Credential RN

Sex Female

Practice address 6615 Babak Dr, Frederick, MD, 21702

Phone (240) 831-1660

Fax (301) 662-1342

Enumeration date Sep 17, 2013

Last updated in NPPES Sep 25, 2020

Taxonomy & licenses

163WC1600X Continuing Education/Staff Development Registered Nurse Nursing Service Providers · License R193398 (MD) Secondary

163WC1500X Community Health Registered Nurse Nursing Service Providers · License R193398 (MD) Secondary

163WG0000X General Practice Registered Nurse Nursing Service Providers · License R193398 (MD) Secondary

163WD0400X Diabetes Educator Registered Nurse Nursing Service Providers · License R193398 (MD) Primary

163W00000X Registered Nurse Nursing Service Providers · License 193398 (MD) Secondary

163WA2000X Administrator Registered Nurse Nursing Service Providers · License RN193398 (MD) Secondary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 Oshai practice?

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

What is the NPI number for Margaret Oshai?

The National Provider Identifier (NPI) for Margaret Oshai is 1124454699, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-25.