Occupational therapy assistants in the United States
- Occupational therapy assistants
- 41,463
- Linked to a hospital or group
- 440
- Hospitals with an occupational therapy assistant
- 74
- Medical groups with an occupational therapy assistant
- 127
- States and territories
- 53
There are 41,463 occupational therapy assistants in the US. Texas has the most, 4,281, and Cherokee Nation W. W. Hastings Hospital has the most affiliated occupational therapy assistants of any hospital, 5.
Find work emails and mobile numbers for all 41,463 US occupational therapy assistants
Validated work emails and mobile numbers for US occupational therapy assistants, found through healthcare waterfall enrichment, with a free Dmand AI account.
Texas has the most occupational therapy assistants, with 4,281
There are 41,463 occupational therapy assistants in the US, according to Dmand AI data. Florida is second with 3,834, and New York third with 2,734.
Occupational therapy assistants in every other state and territory
- Indiana1,091
- Virginia1,089
- Arizona1,045
- Arkansas1,021
- Tennessee1,016
- Oklahoma925
- Michigan902
- Washington804
- South Carolina746
- Massachusetts737
- Kentucky709
- Colorado684
- Maryland656
- New Jersey653
- Kansas591
- Georgia568
- Connecticut447
- Minnesota424
- Oregon389
- West Virginia349
- Mississippi348
- New Mexico307
- Alabama282
- Iowa265
- Maine264
- New Hampshire263
- Delaware237
- Nebraska236
- Louisiana226
- Nevada216
- Puerto Rico192
- Rhode Island171
- Idaho165
- Utah134
- South Dakota111
- North Dakota109
- Montana88
- Hawaii86
- Wyoming65
- Vermont54
- Alaska50
- Washington, DC28
- U.S. Virgin Islands1
Source: NPPES NPI Registry (CMS)
For health IT teams
Dmand AI has the EHR for 5,987 of 41,463 US occupational therapy assistants, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
RehabVisions has the most occupational therapy assistants of any US medical group, with 6
Legacy Healthcare Services is second with 5, and First Expressions SLP Services, Inc. third with 5. Counts are occupational therapy assistants linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Cherokee Nation W. W. Hastings Hospital has the most affiliated occupational therapy assistants of any US hospital, with 5
Arkansas Children's Hospital in Little Rock is second with 3, and Arkansas Children's Northwest third with 3. US occupational therapy assistants are affiliated with 74 hospitals in all.
See every hospital and group for each US occupational therapy assistant
Each public profile names one place an occupational therapy assistant practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Therapy and rehab centers are the most common site of care for US occupational therapy assistants, with 150
137 also practice at a medical group site, and 110 at hospitals. An occupational therapy assistant can practice at several kinds of site, so the shares overlap.
US occupational therapy assistants by site of care
- Therapy and rehab centers150
- Medical group practices137
- Hospitals110
- Skilled nursing facilities14
- Ambulatory surgery centers13
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
Every US occupational therapy assistant profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the US occupational therapy assistant directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Occupational therapy assistants are HCPs whose primary specialty is occupational therapy assistant (taxonomy code 224Z00000X), with an active NPI and a US practice address.
FAQ
Frequently asked questions about occupational therapy assistants in the US
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many occupational therapy assistants are in the US?
41,463 occupational therapy assistants have an active NPI, a US practice address and occupational therapy assistant (taxonomy code 224Z00000X) as their primary specialty. 440 of them are linked to a hospital or medical group.
Which state has the most occupational therapy assistants?
Texas, with 4,281, followed by Florida with 3,834 and New York with 2,734.
Which medical groups have the most occupational therapy assistants?
RehabVisions, with 6, followed by Legacy Healthcare Services with 5 and First Expressions SLP Services, Inc. with 5.
Which hospitals have the most occupational therapy assistants?
Cherokee Nation W. W. Hastings Hospital, with 5 affiliated occupational therapy assistants, followed by Arkansas Children's Hospital with 3 and Arkansas Children's Northwest with 3.
What is the taxonomy code for occupational therapy assistant?
224Z00000X is the NPPES taxonomy code for occupational therapy assistant. Sub-specialties with their own code are counted on their own lists.
Dmand AI
Find the right contacts among US occupational therapy assistants
Search 41,463 US occupational therapy assistants by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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