Ellen Y. Choi, M.D.
Anesthesiology Physician · Chicago, IL
Ellen Y. Choi, M.D. is an anesthesiology physician with a practice address in Chicago, Illinois, and NPI 1235328766, issued on Oct 22, 2007. Check the license (Illinois 036-135885, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ellen Y. Choi
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 036-135885 IL
A103064 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave, Chicago, IL 60637
- Phone
- (773) 702-6700
- Enumerated
- Oct 22, 2007
- Record last updated
- Mar 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150402000378); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
- Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
- Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
- Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
- Noor Abdelrahman, PA-CPhysician Assistant1851012413
- Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240
Verify Ellen Y. Choi 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 036-135885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.7 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).
Industry payments in 2024: $89.72
2 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 17,774 providers of this specialty with any payment received $669.59 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
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Y. Choi among 2,575 anesthesiology physician records in Illinois
Ellen Y. Choi, M.D. is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% 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, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2006 among the 1,608 with a school on file
- Record last updated2015 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,113 anesthesiology physician records list a practice address in Chicago
They are 1,113 of the 63,379 NPPES records with a practice address in Chicago, and 2,575 anesthesiology physician records in Illinois.
All 2,575 in Illinois → Every provider in Chicago → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Magdalena Anitescu, MDChicago, IL 606371891850012
- Angela Arndt, M.D.Chicago, IL 606371689632317
- Mark ChaneyChicago, IL 606371346305562
- Frank DupontChicago, IL 606371770578122
- Atul GuptaChicago, IL 606371396791729
- Matthew KaufmannChicago, IL 606371336165109
- Joan Matthews, MDChicago, IL 606371124034533
- Anish OzaChicago, IL 606371518050046
Common questions
What is Ellen Y. Choi, M.D.'s NPI number?
Ellen Y. Choi, M.D.'s National Provider Identifier (NPI) is 1235328766, issued on Oct 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Y. Choi, M.D. located?
The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-6700. Providers update this record themselves, so call before visiting.
How can I verify Ellen Y. Choi, M.D.'s license?
NPPES lists Illinois license number 036-135885, 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.
What is Ellen Y. Choi, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.7 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.