Theresa I. Mathew, M.D.
Internal Medicine Physician · Hoffman Estates, IL
Theresa I. Mathew, M.D. is an internal medicine physician with a practice address in Hoffman Estates, Illinois, and NPI 1215128079, issued on Aug 7, 2007. Check the license (Illinois 036124377, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Theresa I. Mathew
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036124377 IL
Self-reported in NPPES; status is on the state search - Practice location
- 990 Grand Canyon Pkwy, Hoffman Estates, IL 60169
- Phone
- (847) 884-8420
- Enumerated
- Aug 7, 2007
- Record last updated
- Feb 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (847) 884-0198
- Medicare enrollment
- Enrolled (PECOS I20100812000592); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 990 Grand Canyon Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Theresa I. Mathew 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 036124377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,720 Medicare Part D claims for 303 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Atorvastatin Calcium192 claims
- Levothyroxine Sodium143 claims
- Lisinopril134 claims
- Amlodipine Besylate132 claims
- Metoprolol Succinate132 claims
- Losartan Potassium130 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.
Industry payments in 2024: $632.47
13 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Howard S Mangurten MdscHoffman Estates, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa I. Mathew among 7,238 internal medicine physician records in Illinois
Theresa I. Mathew, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2001 · median 2003 among the 3,580 with a school on file
- Record last updated2011 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in Hoffman Estates
They are 35 of the 1,293 NPPES records with a practice address in Hoffman Estates, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Hoffman Estates → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Khursheed Ahmed, MDHoffman Estates, IL 601691619917523
- Michael Appiagyei, M.D.Hoffman Estates, IL 601691154390193
- Gaston Carrasco, M.D.Hoffman Estates, IL 601691417052267
- Robert Dick, MDHoffman Estates, IL 601691336135599
- Mary George, M.D.Hoffman Estates, IL 601691689648727
- David Ginsburg, MDHoffman Estates, IL 601691306832803
- Norris Hsu, MDHoffman Estates, IL 601691508961350
- Edward Kogan, M.D.Hoffman Estates, IL 601691710994215
Common questions
What is Theresa I. Mathew, M.D.'s NPI number?
Theresa I. Mathew, M.D.'s National Provider Identifier (NPI) is 1215128079, issued on Aug 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Theresa I. Mathew, M.D. located?
The NPPES record lists a practice address at 990 Grand Canyon Pkwy, Hoffman Estates, IL, 60169. Phone: (847) 884-8420. Providers update this record themselves, so call before visiting.
How can I verify Theresa I. Mathew, M.D.'s license?
NPPES lists Illinois license number 036124377, 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 Theresa I. Mathew, M.D. prescribe under Medicare Part D?
In 2024, Theresa I. Mathew, M.D. had 2,720 Medicare Part D claims for 303 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.