Donald Thorsen
Occupational Therapist · O Fallon, MO
Donald Thorsen is an occupational therapist with a practice address in O Fallon, Missouri, and NPI 1770930463, issued on May 23, 2016. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Donald Thorsen
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 2016017355 IL
Self-reported in NPPES; status is on the state search - Practice location
- 951 Waterbury Falls Dr, O Fallon, MO 63368
- Phone
- (636) 336-0297
- Enumerated
- May 23, 2016
- Record last updated
- Jul 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160712000498); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 2,771 in Missouri → Look up another NPI →
Also registered at 951 Waterbury Falls Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Allison, DPTPhysical Therapist1487902060
- Jacob Buchanan, DPTPhysical Therapist1780333245
- Austin Clark, DPTStudent in an Organized Health Care Education/Training Program1588109078
- Meredith Crosier, PT, DPTPhysical Therapist1457945156
- Michelle FruendPhysical Therapist1649918947
- Andrea Gettman, DPT, OTR/LPhysical Therapist1578855292
Verify Donald Thorsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 92.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Athletico LtdChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Thorsen among 2,771 occupational therapist records in Missouri
Donald Thorsen is one of 2,771 occupational therapist records with a practice address in Missouri. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 53% of them.
- NPI issued2016 · 53% of these records are older, 43% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2016 · median 2016 among the 269 with a school on file
- Record last updated2020 · 67% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 occupational therapist records list a practice address in O Fallon
They are 36 of the 1,225 NPPES records with a practice address in O Fallon, and 2,771 occupational therapist records in Missouri.
All 2,771 in Missouri → Every provider in O Fallon → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Brittany AbernathyDardenne Prairie, MO 633681548671423
- Bethany ArkillsO Fallon, MO 633681093067043
- Lindsey Aydelott, OTR/LDardenne Prairie, MO 633681942719299
- Kelly BrazillO Fallon, MO 633681518558279
- Keri Dunivan, OT/LO Fallon, MO 633681073794525
- Matthew Gold, OTR/LO Fallon, MO 633681780049841
- Ninette Matuszewski, OTRDardenne Prairie, MO 633681912028432
- Michele MeyerDardenne Prairie, MO 633681669529822
Common questions
What is Donald Thorsen's NPI number?
Donald Thorsen's National Provider Identifier (NPI) is 1770930463, issued on May 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Donald Thorsen located?
The NPPES record lists a practice address at 951 Waterbury Falls Dr, O Fallon, MO, 63368. Phone: (636) 336-0297. Providers update this record themselves, so call before visiting.
How can I verify Donald Thorsen's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
What is Donald Thorsen's MIPS final score?
The 2023 MIPS final score is 92.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.
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.