Colin Therriault, M.D.
Emergency Medicine Physician · Oak Park, IL
Colin Therriault, M.D. is an emergency medicine physician with a practice address in Oak Park, Illinois, and NPI 1164803292, issued on Jun 15, 2015. Check the license (Illinois 036157402, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Colin Therriault
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036157402 IL
83089 GA
MT208566 PA
Self-reported in NPPES; status is on the state search - Practice location
- 520 S Maple Ave, Oak Park, IL 60304
- Phone
- (708) 660-5997
- Enumerated
- Jun 15, 2015
- Record last updated
- Apr 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20210816001035); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 520 S Maple Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Aguinaldo, M.D.Emergency Medicine Physician1306877220
- Hayley Altshuler, PA-CPhysician Assistant1396490991
- Saadia Alvi, M.D.Endocrinology, Diabetes & Metabolism Physician1568682177
- Jessie Amstadt, RN, AA-SANERegistered Nurse1730995762
- Elizabeth Bassett, CRNACertified Registered Nurse Anesthetist1053717033
- Cynthia Batassa, DPTPhysical Therapist1487186730
Verify Colin Therriault in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036157402Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average emergency medicine physician in 2024
97 Medicare Part D claims for 74 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Cephalexin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Rush Oak Park ER Physicians GroupOak Park, IL
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colin Therriault among 3,291 emergency medicine physician records in Illinois
Colin Therriault, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2012 among the 1,867 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 emergency medicine physician records list a practice address in Oak Park
They are 28 of the 2,307 NPPES records with a practice address in Oak Park, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Oak Park → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Maria Aguinaldo, M.D.Oak Park, IL 603041306877220
- Dean Balabanov, DOOak Park, IL 603041750902409
- Daniel Cotter, MDOak Park, IL 603041861071151
- Bryce De Venecia, MDOak Park, IL 603041568091924
- Robert June, M.D.Oak Park, IL 603041871528059
- Johnathan Lewis, DOOak Park, IL 603041417517236
- Tedjitou Martin, PAOak Park, IL 603041053454926
- Daniel Noonan, M.D.Oak Park, IL 603041669404620
Common questions
What is Colin Therriault, M.D.'s NPI number?
Colin Therriault, M.D.'s National Provider Identifier (NPI) is 1164803292, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Colin Therriault, M.D. located?
The NPPES record lists a practice address at 520 S Maple Ave, Oak Park, IL, 60304. Phone: (708) 660-5997. Providers update this record themselves, so call before visiting.
How can I verify Colin Therriault, M.D.'s license?
NPPES lists Illinois license number 036157402, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Colin Therriault, M.D. prescribe under Medicare Part D?
In 2024, Colin Therriault, M.D. had 97 Medicare Part D claims for 74 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions 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.