Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Ellen Yealin

Nurse Practitioner in Portage, MI · enumerated 2006.

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

National Provider Identifier

1164534582

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Registry record

Entity type Individual (Type 1)

Name Mary Ellen Yealin

Sex Female

Practice address 7901 Angling Rd, Suite B-201, Portage, MI, 49024

Phone (269) 324-8600

Enumeration date Aug 31, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704174695 (MI) 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

What is the NPI number for Mary Ellen Yealin?

The National Provider Identifier (NPI) for Mary Ellen Yealin is 1164534582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Ellen Yealin practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.