NPPES file of Aug 9, 2026

Environmental Modification Occupational Therapy Assistant providers in the U.S.

127 NPPES records list environmental modification occupational therapy assistant as their primary taxonomy; Texas and Pennsylvania have the most per resident. A registry record is not proof of an active practice.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 224ZE0001X · method

What taxonomy code 224ZE0001X means

224ZE0001X is the National Uniform Claim Committee code for Occupational Therapy Assistant, Environmental Modification, in the grouping Respiratory, Developmental, Rehabilitative and Restorative Service Providers. 127 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).

Occupational therapy assistants provide environmental modifications under the supervision of an occupational therapist. OTAs develop and implement an individualized occupational therapy environmental modification plan that reflects the relevant contexts of the client and relevant others and maximizes current and future occupational performance, safety, and participation of the client. Clients receive environmental modification recommendations and interventions that enable them to meet occupational performance and participation goals and that have adequate flexibility to accommodate for their future needs.

Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.

Most per resident: the 8 highest

Source: CMS NPPES, primary taxonomy 224ZE0001X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

Pittsburgh has the most, 3

Source: CMS NPPES, primary taxonomy 224ZE0001X by practice city, file of Aug 9, 2026.

All 34 states and D.C. with records, by state

StateRecordsPer 100,000
Alabama10.0
Arizona20.0
Arkansas10.0
California110.0
Colorado20.0
District of Columbia10.1
Florida70.0
Georgia20.0
Illinois70.1
Indiana70.1
Kansas10.0
Louisiana30.1
Maryland10.0
Massachusetts40.1
Michigan50.0
Minnesota30.1
Missouri40.1
StateRecordsPer 100,000
Nebraska20.1
Nevada20.1
New Hampshire10.1
New Jersey40.0
New York40.0
North Carolina40.0
Ohio40.0
Oklahoma10.0
Oregon10.0
Pennsylvania100.1
Tennessee40.1
Texas190.1
Utah10.0
Virginia20.0
Washington20.0
West Virginia10.1
Wisconsin20.0

In federal data

  • NUCC code224ZE0001X · Occupational Therapy Assistant
  • Size rank499th of 688 specialties by records (0% of all)
  • In its family2nd of 5 Occupational Therapy Assistant codes, 0.3% of the family
  • Concentration7 states hold half of all records

Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.

A sample of environmental modification occupational therapy assistant records

  1. Ladonnaa JordonSelma, AL1689108300
  2. Stacey BarrettSpringdale, AR1922604461
  3. Brian SimpsonPhoenix, AZ1114453206
  4. Matthew Simon, COTA/LScottsdale, AZ1164856225
  5. Minoo Moghimi, OTLos Angeles, CA1538777222
  6. Julia Jimmons, COTALa Mirada, CA1578823795
  7. Andrea BitarThousand Oaks, CA1578054151
  8. Eric Becker, COTARancho Cucamonga, CA1326792631
  9. Linda GonzalesRosemead, CA1972961589
  10. Erich Seelye, OTLemon Grove, CA1649735713
  11. Eugene TabingoLoma Linda, CA1720958028
  12. Diane LemieuxYorba Linda, CA1104687359

Registry order, not a ranking. Search by name to find one provider.

Common questions

Why is Environmental Modification Occupational Therapy Assistant a thin NUCC code in NPPES?

Only 127 NPIs list Environmental Modification Occupational Therapy Assistant as primary taxonomy across 35 states (peak Texas, 19). That is 499th of 688 NUCC codes by headcount. Thin codes are still searchable by NPI; do not treat the low count as a quality signal.

Where can I still find an Environmental Modification Occupational Therapy Assistant?

Environmental Modification Occupational Therapy Assistant providers are listed in 35 states; Pittsburgh leads by raw city count. By national headcount this code sits just above Driving and Community Mobility Occupational Therapist and just below Nuclear Pharmacist. Browse by state or search by name.

What does NUCC code 224ZE0001X mean?

Environmental Modification Occupational Therapy Assistant is NUCC taxonomy 224ZE0001X in the Occupational Therapy Assistant group. Counts are self-designated primary taxonomy at NPI enrollment, not board certification.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.