Diana Derrer, OTD, OTR/L
Occupational Therapist · Fort Wayne, IN
Diana Derrer, OTD, OTR/L is an occupational therapist with a practice address in Fort Wayne, Indiana, and NPI 1861267031, issued on Nov 17, 2023. Check the license (Indiana 31008101A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Derrer
- Credential
- OTD, OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 31008101A IN
Self-reported in NPPES; status is on the state search - Practice location
- 7833 W Jefferson Blvd, Fort Wayne, IN 46804
- Phone
- (260) 432-4848
- Enumerated
- Nov 17, 2023
- Record last updated
- Nov 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20240301003495); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 2,966 in Indiana → Look up another NPI →
Also registered at 7833 W Jefferson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Fleckenstein, OTROccupational Therapist1245005206
Verify Diana Derrer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 31008101ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Anew Therapy And Wellness LLCTerre Haute, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Derrer among 2,966 occupational therapist records in Indiana
Diana Derrer, OTD, OTR/L is one of 2,966 occupational therapist records with a practice address in Indiana. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 83% of them.
- NPI issued2023 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2023 · median 2014 among the 413 with a school on file
- Record last updated2023 · 64% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
166 occupational therapist records list a practice address in Fort Wayne
They are 166 of the 9,203 NPPES records with a practice address in Fort Wayne, and 2,966 occupational therapist records in Indiana.
All 2,966 in Indiana → Every provider in Fort Wayne → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Michelle Berry, OTRFort Wayne, IN 468041942498266
- Stephanie Bowers, OTR/LFort Wayne, IN 468041033444526
- Natalie Brandenburger, OTFort Wayne, IN 468041114927894
- Hannah Cho, OTD, OTR/LFort Wayne, IN 468041831715481
- Sandra Harlan, O.T.Fort Wayne, IN 468041609875079
- Christine Hire, OTFort Wayne, IN 468041275659567
- Michelle Mays, OTD, OTR, CHTFort Wayne, IN 468041679758510
- Joshua Oesterling, OTR/LFort Wayne, IN 468041073998530
Common questions
What is Diana Derrer, OTD, OTR/L's NPI number?
Diana Derrer, OTD, OTR/L's National Provider Identifier (NPI) is 1861267031, issued on Nov 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Diana Derrer, OTD, OTR/L located?
The NPPES record lists a practice address at 7833 W Jefferson Blvd, Fort Wayne, IN, 46804. Phone: (260) 432-4848. Providers update this record themselves, so call before visiting.
How can I verify Diana Derrer, OTD, OTR/L's license?
NPPES lists Indiana license number 31008101A, as entered by the provider. Search the Indiana 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.
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.