NPPES file of Aug 9, 2026

Derrick M. Janulis, COTA

Occupational Therapy Assistant · Olympia Fields, IL

Derrick M. Janulis, COTA is an occupational therapy assistant with a practice address in Olympia Fields, Illinois, and NPI 1265959928, issued on Aug 24, 2017. Check the license (Illinois 057004739, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1265959928
Name
Derrick M. Janulis
Credential
COTA
Primary taxonomy
Occupational Therapy Assistant 224Z00000X
License number
057004739 IL
Self-reported in NPPES; status is on the state search
Practice location
20201 Crawford Ave, Olympia Fields, IL 60461
Phone
(708) 747-4000
Enumerated
Aug 24, 2017
Record last updated
Aug 24, 2017 (not updated in 9 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20201 Crawford Ave

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

  1. Marwa Abdul BasithStudent in an Organized Health Care Education/Training Program1215870654
  2. Veronica Abegunde, MDHospitalist Physician1740500826
  3. Amir Abusharif, DOStudent in an Organized Health Care Education/Training Program1619663986
  4. Gremah Adam Aboubacar, DOStudent in an Organized Health Care Education/Training Program1619662392
  5. Tejaswini Addanki, DOStudent in an Organized Health Care Education/Training Program1306589163
  6. Saria Adnan Sultan, DOInternal Medicine Physician1679216196

Verify Derrick M. Janulis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 057004739    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 Illinois license search

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8 occupational therapy assistant records list a practice address in Olympia Fields

They are 8 of the 684 NPPES records with a practice address in Olympia Fields, and 1,498 occupational therapy assistant records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8 in Olympia Fields → All 1,498 in Illinois → Every provider in Olympia Fields →

Other occupational therapy assistant records in Illinois

  1. Zehra Abbasi, COTA/LNaperville, IL1518219021
  2. Suad AbdullahOrland Park, IL1487031423
  3. Marissa Abuel, COTA/LNaperville, IL1376907618
  4. Brittany Ackman, COTA/LLincoln, IL1740970557
  5. Denise AdamsEvergreen Park, IL1891079091
  6. Jaime Adams, COTA LLansing, IL1124235429
  7. Pamela Adams Kammin, COTAGlenview, IL1841569480
  8. Katelyn AdamskiGlenview, IL1669896833
  9. Nichole Addo-Stover, COTAOrland Park, IL1992924815
  10. Lauren Adeszko, COTA/LFrankfort, IL1730325374

Common questions

What is Derrick M. Janulis, COTA's NPI number?

Derrick M. Janulis, COTA's National Provider Identifier (NPI) is 1265959928, issued on Aug 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Derrick M. Janulis, COTA located?

The NPPES record lists a practice address at 20201 Crawford Ave, Olympia Fields, IL, 60461. Phone: (708) 747-4000. Providers update this record themselves, so call before visiting.

How can I verify Derrick M. Janulis, COTA's license?

NPPES lists Illinois license number 057004739, 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.

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.