Graeme Twanow, M.D.
Emergency Medicine Physician · Oak Lawn, IL
Graeme Twanow, M.D. is an emergency medicine physician with a practice address in Oak Lawn, Illinois, and NPI 1326591892, issued on Aug 1, 2016. Check the license (Illinois 125.068866, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Graeme Twanow
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 125.068866 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH Street, Oak Lawn, IL 60453
- Phone
- (708) 684-5341
- Enumerated
- Aug 1, 2016
- Record last updated
- May 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20190416002493); 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 4440 W 95TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sireesha Allamneni, D.O.Physical Medicine & Rehabilitation Physician1679723548
- Chalese Chudzinski, PT, DPTPhysical Therapist1750691531
- Sarah Jacobson, DPTPhysical Therapist1942529169
- Lisa Rauschert, MDVascular & Interventional Radiology Physician1538541032
- Mitali Roy, MDHospitalist Physician1336213297
Verify Graeme Twanow 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 125.068866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average emergency medicine physician in 2024
123 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro15 claims
- Azithromycin13 claims
- Prednisone12 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 one group practice
- Dupage Emergency Physicians Convenient Care LLCLemont, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Graeme Twanow among 3,291 emergency medicine physician records in Illinois
Graeme Twanow, 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 2016, is newer than 65% of them.
- NPI issued2016 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2012 among the 1,867 with a school on file
- Record last updated2022 · 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).
163 emergency medicine physician records list a practice address in Oak Lawn
They are 163 of the 2,993 NPPES records with a practice address in Oak Lawn, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Oak Lawn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- R. Altman, M.D.Oak Lawn, IL 604531285640862
- Adele Cobbs, M.D.Oak Lawn, IL 604531295750669
- Steve Delis, MDOak Lawn, IL 604531720095920
- Mila Felder, M.D., M.S.Oak Lawn, IL 604531265440929
- Shayla Garrett-Hauser, MDOak Lawn, IL 604531457368896
- Robert Harwood, M.D.Oak Lawn, IL 604531194733220
- Abhishek Katiyar, M.D.Oak Lawn, IL 604531346219565
- Anna Kiernicki Sklar, MDOak Lawn, IL 604531467447920
Common questions
What is Graeme Twanow, M.D.'s NPI number?
Graeme Twanow, M.D.'s National Provider Identifier (NPI) is 1326591892, issued on Aug 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Graeme Twanow, M.D. located?
The NPPES record lists a practice address at 4440 W 95TH Street, Oak Lawn, IL, 60453. Phone: (708) 684-5341. Providers update this record themselves, so call before visiting.
How can I verify Graeme Twanow, M.D.'s license?
NPPES lists Illinois license number 125.068866, 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 Graeme Twanow, M.D. prescribe under Medicare Part D?
In 2024, Graeme Twanow, M.D. had 123 Medicare Part D claims for 93 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.