NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Trent Lane Tredway, M.D.

Neurological Surgery Physician in Seattle, WA · enumerated 2007.

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

National Provider Identifier

1013074558

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Registry record

Entity type Individual (Type 1)
Name Mr. Trent Lane Tredway
Credential M.D.
Sex Male
Practice address Seattle, WA, 98101
Fax (206) 623-1677
Enumeration date Jan 3, 2007
Last updated in NPPES Dec 27, 2016

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

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License MD00043699 (WA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
0232078 Other WA L&I
1013074558 Medicaid WA -
320940 Other - INTERNAL ID-MOTOR VEHICLE ID

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 Trent Tredway?
The National Provider Identifier (NPI) for Trent Tredway is 1013074558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Trent Tredway practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-27.