Matthew J. O'Toole, M.D.
Hospitalist Physician · Huntley, IL
Matthew J. O'Toole, M.D. is a hospitalist physician with a practice address in Huntley, Illinois, and NPI 1679968432, issued on Mar 30, 2015. Check the license (Illinois 036148524, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Matthew J. O'Toole
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036148524 IL
110044 GA
69575-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 10400 Haligus RD, Huntley, IL 60142
- Phone
- (815) 759-4323
- Enumerated
- Mar 30, 2015
- Record last updated
- Oct 12, 2025
- Fax
- (815) 759-4948
- Medicare enrollment
- Enrolled (PECOS I20251121002986); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 10400 Haligus RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nnamdi AmiloAnesthesiology Physician1487283875
- Ilan Bornstein, MDObstetrics & Gynecology Physician1083647747
- Megan Carey, MS, RD, LDNRegistered Dietitian1578958187
- Firaz ChaudhryHospitalist Physician1588195531
- Stuart Cohen, MDAnesthesiology Physician1043261449
- Andrew Diaz, DOInternal Medicine Physician1255951786
Verify Matthew J. O'Toole 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 036148524Check 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
- North Atlanta Professional Services LLCCumming, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
14 hospitalist physician records list a practice address in Huntley
They are 14 of the 372 NPPES records with a practice address in Huntley, and 1,535 hospitalist physician records in Illinois.
All 14 in Huntley → All 1,535 in Illinois → Every provider in Huntley →
Other hospitalist physician records in Illinois
- Hasan Abad, D.O.Chicago, IL1356872006
- Pamela Abadi, D.O.Winfield, IL1588820179
- Misha Abbasi, MDChicago, IL1770111635
- Hossam Abdel Aziz, MDWinfield, IL1114558145
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Maysa Abdul Hussain, MDChicago, IL1245417070
- Shabreen Abdul Sharief, MDHuntley, IL1992025118
- Eyad Abdulrazzak, MDEvanston, IL1710592589
- Syed Abdur-Rahman, MDDekalb, IL1538658729
Common questions
What is Matthew J. O'Toole, M.D.'s NPI number?
Matthew J. O'Toole, M.D.'s National Provider Identifier (NPI) is 1679968432, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Matthew J. O'Toole, M.D. located?
The NPPES record lists a practice address at 10400 Haligus RD, Huntley, IL, 60142. Phone: (815) 759-4323. Providers update this record themselves, so call before visiting.
How can I verify Matthew J. O'Toole, M.D.'s license?
NPPES lists Illinois license number 036148524, 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.
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.