Timothy Schainker, M.D.
Internal Medicine Physician · Oak Park, IL
Timothy Schainker, M.D. is an internal medicine physician with a practice address in Oak Park, Illinois, and NPI 1093125502, issued on May 6, 2014. Check the license (Illinois 036.142171, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Timothy Schainker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.142171 IL
036-142171 IL
TP020 KY
Self-reported in NPPES; status is on the state search - Practice location
- 3 Erie CT, Oak Park, IL 60302
- Phone
- (708) 763-1222
- Enumerated
- May 6, 2014
- Record last updated
- Mar 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20180308000150); 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 3 Erie CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gina Biasiello, D.P.TPhysical Therapist1124490610
Verify Timothy Schainker 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 036.142171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
321 Medicare Part D claims for 180 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Prednisone25 claims
- Hydrocodone-Acetaminophen17 claims
- Cefadroxil16 claims
- Pantoprazole Sodium14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Vancomycin Hcl13 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.
The MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Endeavor Health Medical GroupElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Schainker among 7,238 internal medicine physician records in Illinois
Timothy Schainker, 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 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 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).
62 internal medicine physician records list a practice address in Oak Park
They are 62 of the 2,307 NPPES records with a practice address in Oak Park, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Oak Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Albert, D.C., M.D.Oak Park, IL 603021457465098
- Alejandra Campos, M.D.Oak Park, IL 603021932195146
- Wahiba Elhag, M.D.Oak Park, IL 603021982891826
- Augusto GuevaraOak Park, IL 603021962557686
- Charles Johnston, MDOak Park, IL 603021831288422
- Khurram Khan, M.D.Oak Park, IL 603021730370586
- Katarzyna Kielczyk, M.D.Oak Park, IL 603021194922203
- Esteban Linarez, M.D.Oak Park, IL 603021740483262
Common questions
What is Timothy Schainker, M.D.'s NPI number?
Timothy Schainker, M.D.'s National Provider Identifier (NPI) is 1093125502, issued on May 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Schainker, M.D. located?
The NPPES record lists a practice address at 3 Erie CT, Oak Park, IL, 60302. Phone: (708) 763-1222. Providers update this record themselves, so call before visiting.
How can I verify Timothy Schainker, M.D.'s license?
NPPES lists Illinois license number 036.142171, 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 Timothy Schainker, M.D. prescribe under Medicare Part D?
In 2024, Timothy Schainker, M.D. had 321 Medicare Part D claims for 180 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Timothy Schainker, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.