Alexis Warren
Ophthalmology Physician · Chicago, IL
Alexis Warren is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1457880171, issued on Jun 6, 2017. Check the license (Illinois 036.155464, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alexis Warren
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 036.155464 IL
R10912 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1855 W Taylor St, Chicago, IL 60612
- Phone
- (312) 996-6590
- Enumerated
- Jun 6, 2017
- Record last updated
- Sep 12, 2024
- Fax
- (312) 996-6660
- Medicare enrollment
- Enrolled (PECOS I20210811004303); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 1855 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Albian, PA-CPhysician Assistant1518367556
- Modjtaba AmirahmadiOphthalmology Physician1497976831
- Ahmad Aref, M.D.Ophthalmology Physician1053522540
- Ibrahim Asseidat, M.D.Ophthalmology Physician1558483693
- Nathalie Azar, M.D.Ophthalmology Physician1437133295
- Karl Becker, M.D.Ophthalmology Physician1114471745
Verify Alexis Warren 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 036.155464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average ophthalmology physician in 2024
184 Medicare Part D claims for 63 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Prednisolone Acetate46 claims
- Ketorolac Tromethamine37 claims
- Difluprednate25 claims
- Dorzolamide-Timolol17 claims
- Brimonidine Tartrate13 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): 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: $4,415.62
9 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Pharmaceuticals, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
2 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Alexis Warren among 898 ophthalmology physician records in Illinois
Alexis Warren is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.
- NPI issued2017 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2017 · median 1999 among the 551 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Chicago → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Nathalie Azar, M.D.Chicago, IL 606121437133295
- Adrienne Berman, MDChicago, IL 606121003826173
- Robison Chan, MDChicago, IL 606121144204397
- Ali D'Jalilian, MDChicago, IL 606121649299363
- James Goodwin, M.D.Chicago, IL 606121023038783
- Richard Grostern, MDChicago, IL 606121902881170
- Sandeep Jain, M.D.Chicago, IL 606121972616613
- Charlotte JoslinChicago, IL 606121194735217
Common questions
What is Alexis Warren's NPI number?
Alexis Warren's National Provider Identifier (NPI) is 1457880171, issued on Jun 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexis Warren located?
The NPPES record lists a practice address at 1855 W Taylor St, Chicago, IL, 60612. Phone: (312) 996-6590. Providers update this record themselves, so call before visiting.
How can I verify Alexis Warren's license?
NPPES lists Illinois license number 036.155464, 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 Alexis Warren prescribe under Medicare Part D?
In 2024, Alexis Warren had 184 Medicare Part D claims for 63 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Alexis Warren'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.