Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stacey Greanias Wallen, CGC

Genetic Counselor (M.S.) in Durham, NC · enumerated 2021.

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

National Provider Identifier

1215602156

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Registry record

Entity type Individual (Type 1)

Name Stacey Greanias Wallen

Credential CGC

Sex Female

Practice address 30 Duke Medicine Cir Rm 25153, Durham, NC, 27710

Phone (919) 660-0196

Enumeration date Aug 12, 2021

Last updated in NPPES Aug 12, 2021

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers 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

What is the NPI number for Stacey Wallen?

The National Provider Identifier (NPI) for Stacey Wallen is 1215602156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stacey Wallen practice?

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

Other providers at this practice address

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Elisabeth Ferguson Genetic Counselor (M.S.) · Durham, NC NPI 1598498933

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-12.