Mandi Woolsey

Mandi Woolsey is a Behavior Analyst provider (Behavior Analyst) practicing in Seattle, WA, registered in the NPPES registry with NPI 1033590252 since 2015.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1033590252
Entity type	Individual (Type 1)
Name	Mandi Woolsey
Sex	Female
Practice address	Seattle, WA, 98109
Phone	2063844142
Enumeration date	2015-06-12
Last updated in NPPES	2015-06-12

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

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103K00000X	Behavior Analyst	Primary	CG60569229	WA

Copy-ready billing details

Provider: Mandi Woolsey
NPI: 1033590252
Taxonomy: 103K00000X (Behavior Analyst)
Address: Seattle, WA, 98109

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1336576768	Alexander Kohorst	Individual	Behavior Analyst	Seattle, WA
1720498181	Jessica Anthony	Individual	Behavior Analyst	Seattle, WA
1952704546	Robin Finlayson	Individual	Behavior Analyst	Seattle, WA
1043692635	Michael Heisinger	Individual	Behavior Analyst	Seattle, WA

Verify this record

Cross-check NPI 1033590252 against the authoritative CMS record: view Mandi Woolsey 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

What is the NPI number for Mandi Woolsey?

The National Provider Identifier (NPI) for Mandi Woolsey is 1033590252, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mandi Woolsey 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 2026-07-11. Provider record last updated 2015-06-12.