Occupational Therapy Assistant in Washington — NPI Providers
812 active Occupational Therapy Assistant providers have a practice location in Washington according to the latest NPPES snapshot. Each profile shows the NPI number, taxonomy code, license details, and practice address — useful for claims, credentialing, and verifying a provider.
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Occupational Therapy Assistant by city in Washington
- Occupational Therapy Assistant in Seattle, WA (66)
- Occupational Therapy Assistant in Tacoma, WA (51)
- Occupational Therapy Assistant in Spokane, WA (43)
- Occupational Therapy Assistant in Federal Way, WA (41)
- Occupational Therapy Assistant in Puyallup, WA (33)
- Occupational Therapy Assistant in Auburn, WA (29)
- Occupational Therapy Assistant in Vancouver, WA (28)
- Occupational Therapy Assistant in Kent, WA (22)
- Occupational Therapy Assistant in Lakewood, WA (22)
- Occupational Therapy Assistant in Everett, WA (21)
- Occupational Therapy Assistant in Des Moines, WA (15)
- Occupational Therapy Assistant in Spokane Valley, WA (15)
- Occupational Therapy Assistant in Maple Valley, WA (14)
- Occupational Therapy Assistant in Bellevue, WA (13)
- Occupational Therapy Assistant in Bellingham, WA (13)
- Occupational Therapy Assistant in Centralia, WA (13)
- Occupational Therapy Assistant in Richland, WA (13)
- Occupational Therapy Assistant in Arlington, WA (12)
- Occupational Therapy Assistant in Port Orchard, WA (11)
- Occupational Therapy Assistant in Renton, WA (11)
- Occupational Therapy Assistant in Bothell, WA (10)
- Occupational Therapy Assistant in Snoqualmie, WA (10)
- Occupational Therapy Assistant in Longview, WA (9)
- Occupational Therapy Assistant in Bremerton, WA (8)
- Occupational Therapy Assistant in Sequim, WA (8)
- Occupational Therapy Assistant in Shoreline, WA (8)
- Occupational Therapy Assistant in Issaquah, WA (7)
- Occupational Therapy Assistant in Kirkland, WA (7)
- Occupational Therapy Assistant in Lynnwood, WA (7)
- Occupational Therapy Assistant in Mount Vernon, WA (7)
Frequently asked questions
How many Occupational Therapy Assistant providers are in Washington?
The latest NPPES snapshot lists 812 active providers with Occupational Therapy Assistant as their primary taxonomy and a practice location in Washington.
How do I verify a Occupational Therapy Assistant provider's NPI in Washington?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes — the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.
Source: CMS NPPES (public data). Snapshot 2026-07-09.