NPPES file of Aug 9, 2026

Dianna Simpson, OT

Occupational Therapist · Greenville, TX

Dianna Simpson, OT is an occupational therapist with a practice address in Greenville, Texas, and NPI 1699361113, issued on Dec 18, 2020. Check the license (Texas 103052, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699361113
Name
Dianna Simpson
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
103052 TX
Self-reported in NPPES; status is on the state search
Practice location
4400 Walnut St, Greenville, TX 75401
Phone
(214) 546-0429
Enumerated
Dec 18, 2020
Record last updated
Dec 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(855) 232-8604
Medicare enrollment
Enrolled (PECOS I20230530000694); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest occupational therapist records → All 7,689 in Texas → Look up another NPI →

Also registered at 4400 Walnut St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Victoria Brooks, PTAPhysical Therapy Assistant1518084458
  2. Stephanie Buses, OTROccupational Therapist1477036630
  3. James Dodson, OTAOccupational Therapy Assistant1598249427
  4. Kinsey GarnerSpeech-Language Pathologist1447804547
  5. Amanda Goodwin, COTAGeriatric Medicine (Family Medicine) Physician1245715747
  6. Erica Goss, PTAPhysical Medicine & Rehabilitation Physician1891278685

Verify Dianna Simpson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 103052    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

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Bills Medicare through one group practice

  1. Legacy Healthcare Services IncCedar Park, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dianna Simpson among 7,689 occupational therapist records in Texas

Dianna Simpson, OT is one of 7,689 occupational therapist records with a practice address in Texas. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 67% of them.

  • NPI issued2020 · 67% of these records are older, 28% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated1988 · median 2015 among the 648 with a school on file
  • Record last updated2020 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 occupational therapist records list a practice address in Greenville

They are 14 of the 586 NPPES records with a practice address in Greenville, and 7,689 occupational therapist records in Texas.

All 7,689 in Texas → Every provider in Greenville → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Stephanie Buses, OTRGreenville, TX 754011477036630
  2. Linda Cooper, OTRGreenville, TX 754011154489078
  3. Gabriela Dean, OTRGreenville, TX 754011528549904
  4. Maygan Gutierrez, OTRGreenville, TX 754011821896473
  5. Brittani Hoover, OTGreenville, TX 754011093169294
  6. Dana McDade, OTRGreenville, TX 754011124216833
  7. Marili Monasterio, OTRGreenville, TX 754011356049076
  8. Heather MortensenGreenville, TX 754011033873476

Common questions

What is Dianna Simpson, OT's NPI number?

Dianna Simpson, OT's National Provider Identifier (NPI) is 1699361113, issued on Dec 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Dianna Simpson, OT located?

The NPPES record lists a practice address at 4400 Walnut St, Greenville, TX, 75401. Phone: (214) 546-0429. Providers update this record themselves, so call before visiting.

How can I verify Dianna Simpson, OT's license?

NPPES lists Texas license number 103052, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.