Alexander Joseph Kahnweiler, DO
Emergency Medicine Physician · Evanston, IL
Alexander Joseph Kahnweiler, DO is an emergency medicine physician with a practice address in Evanston, Illinois, and NPI 1437619657, issued on Mar 22, 2019. Check the license (Illinois 036157807, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alexander Joseph Kahnweiler
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036157807 IL
125.074284 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2650 Ridge Ave., Evanston, IL 60201
- Phone
- (847) 570-2114
- Enumerated
- Mar 22, 2019
- Record last updated
- Feb 21, 2022
- Fax
- (847) 570-1223
- Medicare enrollment
- Enrolled (PECOS I20220214002040); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Osteopathy, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 2650 Ridge Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eyad Abdulrazzak, MDHospitalist Physician1710592589
- Indu Agarwal, M.D.Anatomic Pathology & Clinical Pathology Physician1831573898
- Lorraine Aguada, NPNurse Practitioner1144996059
- Mark Agustin, ACNPNurse Practitioner1730855677
- Avais Ahmed, M.D.Anesthesiology Physician1770087918
- Aleksandar Alavanja, MDDiagnostic Radiology Physician1619321106
Verify Alexander Joseph Kahnweiler 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 036157807Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average emergency medicine physician in 2024
119 Medicare Part D claims for 95 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Oxycodone Hcl11 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): 93.1 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 GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Joseph Kahnweiler among 3,291 emergency medicine physician records in Illinois
Alexander Joseph Kahnweiler, DO 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 2019, is newer than 74% of them.
- NPI issued2019 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · 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).
98 emergency medicine physician records list a practice address in Evanston
They are 98 of the 4,013 NPPES records with a practice address in Evanston, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Evanston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Aronwald, M.D.Evanston, IL 602011518048149
- Serena Baqai, D.O.Evanston, IL 602011376543488
- Cynthia Carpo, DOEvanston, IL 602011487691218
- James Chadd, MDEvanston, IL 602011659393049
- Cecilia Cruz, MDEvanston, IL 602011518917681
- Alyssa Dayan, MDEvanston, IL 602011871547604
- Jorge Del Castillo, M.D.Evanston, IL 602011457434623
- Justin Griffith, MDEvanston, IL 602011497852206
Common questions
What is Alexander Joseph Kahnweiler, DO's NPI number?
Alexander Joseph Kahnweiler, DO's National Provider Identifier (NPI) is 1437619657, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Joseph Kahnweiler, DO located?
The NPPES record lists a practice address at 2650 Ridge Ave., Evanston, IL, 60201. Phone: (847) 570-2114. Providers update this record themselves, so call before visiting.
How can I verify Alexander Joseph Kahnweiler, DO's license?
NPPES lists Illinois license number 036157807, 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 Alexander Joseph Kahnweiler, DO prescribe under Medicare Part D?
In 2024, Alexander Joseph Kahnweiler, DO had 119 Medicare Part D claims for 95 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Alexander Joseph Kahnweiler, DO's MIPS final score?
The 2023 MIPS final score is 93.1 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.