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Tammy Marie Gwin

Tammy Marie Gwin is a Peer Specialist provider (Peer Specialist) practicing in Xenia, OH, registered in the NPPES registry with NPI 1447921663 since 2021.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1447921663
Entity type Individual (Type 1)
Name Tammy Marie Gwin
Sex Female
Practice address Xenia, OH, 45385
Phone 9375328533
Enumeration date 2021-09-27
Last updated in NPPES 2021-09-27

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
175T00000X Peer Specialist Primary OH
Copy-ready billing details
Provider: Tammy Gwin
NPI: 1447921663
Taxonomy: 175T00000X (Peer Specialist)
Address: Xenia, OH, 45385

Verify this record

Cross-check NPI 1447921663 against the authoritative CMS record: view Tammy Marie Gwin on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Tammy Gwin practice?
The practice location on file with NPPES is in Xenia, OH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Tammy Gwin?
The National Provider Identifier (NPI) for Tammy Gwin is 1447921663, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-09-27.