Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret J. Byers, D.O.

Public Health & General Preventive Medicine Physician in East Lansing, MI · enumerated 2005.

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

National Provider Identifier

1811999048

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Registry record

Entity type Individual (Type 1)

Name Margaret J. Byers

Credential D.O.

Sex Female

Practice address 3164 Hamlet Cir, East Lansing, MI, 48823

Phone (517) 898-7650

Fax (517) 898-7650

Enumeration date Jun 1, 2005

Last updated in NPPES Apr 17, 2020

Taxonomy & licenses

2083P0901X Public Health & General Preventive Medicine Physician Allopathic & Osteopathic Physicians · License 510100876 (MI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

What is the NPI number for Margaret Byers?

The National Provider Identifier (NPI) for Margaret Byers is 1811999048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Byers practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-17.