Diego Casillas
Occupational Therapist · Northbrook, IL
Diego Casillas is an occupational therapist with a practice address in Northbrook, Illinois, and NPI 1902155542, issued on Aug 29, 2012. Check the license (Illinois 056.006303, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diego Casillas
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 056.006303 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Dundee RD Ste 418, Northbrook, IL 60062
- Phone
- (847) 480-7833
- Enumerated
- Aug 29, 2012
- Record last updated
- Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 5,855 in Illinois → Look up another NPI →
Also registered at 3000 Dundee RD Ste 418
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jordan AdamsonProfessional Counselor1902649809
- Kasey Allison, MSWSocial Worker1033922422
- Emily Blair, MSMarriage & Family Therapist1558008417
- Eliana Cohn, LSWSocial Worker1164296265
- Taylor Johnson, OTR/LPediatric Occupational Therapist1306308077
- Megan KaufmanSocial Worker1396558581
Verify Diego Casillas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 056.006303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diego Casillas among 5,855 occupational therapist records in Illinois
Diego Casillas is one of 5,855 occupational therapist records with a practice address in Illinois. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 34% of them.
- NPI issued2012 · 34% of these records are older, 60% newer
- In a Medicare fileNo · 13% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2012 · 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 occupational therapist records list a practice address in Northbrook
They are 53 of the 2,226 NPPES records with a practice address in Northbrook, and 5,855 occupational therapist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,855 in Illinois → Every provider in Northbrook → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Julie Conway, OTRLNorthbrook, IL 600621790998011
- Jennifer Cook, OTRLNorthbrook, IL 600621154540029
- Deborah Cristino, OTRNorthbrook, IL 600621750446357
- Lakshmi Gonzales, OTRLNorthbrook, IL 600621851544498
- Angela Goudschaal, MOTRNorthbrook, IL 600621386896314
- Elise Halpert, OTRLNorthbrook, IL 600621992824072
- Patricia HansonNorthbrook, IL 600621346449329
- Alyssa IllianNorthbrook, IL 600621457504623
Common questions
What is Diego Casillas's NPI number?
Diego Casillas's National Provider Identifier (NPI) is 1902155542, issued on Aug 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Diego Casillas located?
The NPPES record lists a practice address at 3000 Dundee RD Ste 418, Northbrook, IL, 60062. Phone: (847) 480-7833. Providers update this record themselves, so call before visiting.
How can I verify Diego Casillas's license?
NPPES lists Illinois license number 056.006303, as entered by the provider. Search the Illinois 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. 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.